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AL Notes: Naylor, Chisholm Jr., Altuve, Cowser

By AJ Eustace | September 28, 2025 at 9:50am CDT

Mariners first baseman Josh Naylor was removed from Friday’s 3-2 loss to the Dodgers due to groin tightness, according to Daniel Kramer of MLB.com. Manager Dan Wilson described the move as precautionary, which is quite a relief for M’s fans as they gear up for the postseason. Naylor has been one of the team’s best hitters since being acquired from the Diamondbacks in July, batting .299/.341/.490 triple in 54 games with his new club. He has also been a positive on defense, posting five Defensive Runs Saved and three Outs Above Average at first base.

It makes sense for Seattle to play it safe with Naylor’s health. The team has already clinched the No. 2 playoff seed in the American League, which gives them a first-round bye through the Wild Card Series. Their first game is set for Saturday, October 4, against either the Guardians or the Tigers. With a week off until then, the club wants to make sure Naylor is at full strength for what will hopefully be a deep postseason run.

Some more notes from around the Junior Circuit…

  • Initial x-rays on Yankees second baseman Jazz Chisholm Jr. were negative, and he is set to undergo a CT scan as well, according to Erik Boland of Newsday. Chisholm was removed from yesterday’s 6-1 victory over the Orioles after being hit by a pitch in the fifth inning. The 27-year-old is having a great year for New York, posting a .243/.333/.482 triple slash that rates as 27% better than league average by wRC+ while continuing to provide good defense at the keystone. Heading into their final regular season game, the Yankees are tied with the Blue Jays for first place in the AL East, although they have clinched a postseason spot regardless. With that in mind, the club may give Chisholm the day off to rest up before a potential Wild Card Series on Tuesday.
  • Astros second baseman Jose Altuve told Chandler Rome of the Athletic that his right foot injury “is pretty painful,” adding that he “had no choice but to go out there and play.” Houston had been fighting for the last AL Wild Card spot recently, but with the Guardians defeating the Rangers 3-2 yesterday, the Astros were eliminated from postseason contention. Altuve has hit .265/.329/.442 in his age-35 season, good for a 113 wRC+, but his defense has graded out poorly. In addition to 66 games at the keystone with -8 DRS, he has also spent significant time in left field, earning -10 DRS in 47 games there. According to Rome, Altuve will meet with doctors to discuss his next steps, though it is unclear if surgery is on the table.
  • Orioles outfielder Colton Cowser played through two broken ribs which he incurred back in June, according to Andy Kostka of the Baltimore Banner. The 25-year-old previously missed time due to a thumb fracture as well as a concussion. Regarding this additional injury, he explained that even though he felt good enough to play, he was “still trying to find [his] way back” performance-wise. In 91 games this year, Cowser has batted just .198/.272/.390 with an 85 wRC+, with the injuries undoubtedly affecting his performance. Baltimore is out of postseason contention, so Cowser will look toward the offseason to get back to full strength in order to help his team in 2026.
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Baltimore Orioles Houston Astros New York Yankees Seattle Mariners Colton Cowser Jazz Chisholm Jose Altuve Josh Naylor

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MLB To Take Over Mariners’ Broadcasts In 2026

By Darragh McDonald | September 26, 2025 at 5:15pm CDT

The Mariners are planning to shutter Root Sports at the end of 2025, with Major League Baseball to take over the club’s broadcasts in 2026. Details of the club announcement were relayed by Adam Jude and Ryan Divish of The Seattle Times.

“We continue to focus on finding new ways to bring our games in 2026 and beyond to our fans and we’ve determined joining with Major League Baseball is the best path,” reads a team statement, relayed by Divish. “Beginning in 2026 and moving forward, Major League Baseball will provide opportunities to bring new features and benefits to viewers of Mariners baseball. We are incredibly grateful for the dedication and excellence demonstrated by the Root Sports staff over the (nearly) four decades they have televised our games.” Jude relays that dozens of Root employees have been informed that they will be laid off on November 3rd but the broadcast team is expected to remain largely the same.

Regional sports networks (RSNs) have become an increasingly important part of baseball discussions in recent years. For a time, RSN deals were a reliable source of millions of dollars for teams. But cord cutting has led to a collapse of the RSN model, though not for all teams. Broadly speaking, the bigger teams like the Yankees and Dodgers are still in fine shape. Most large market clubs own their RSNs, in whole or in part, and still do quite well.

The Mariners tried to go down this road. In the 2023-2024 offseason, they took 100% control of Root Sports. They had previously owned 71% of the company but assumed the remaining 29% from Warner Bros. Discovery. The channel also carried the broadcasts of the NHL’s Seattle Kraken and the NBA’s Portland Trail Blazers. They also carried the NBA’s Utah Jazz in some markets and some college basketball games involving schools in the Pacific Northwest.

Two years later, it seems the M’s have decided to go under the MLB umbrella. They won’t be the first. MLB took over the broadcasts of the Padres, Diamondbacks and Rockies in 2024 as those clubs saw their RSN deals collapse. The Twins and Guardians joined that list in 2025.

With those arrangements, fans who watched on traditional television setups were largely unaffected. The games are still on television with the personnel mostly unchanged. The setup also opened the possibility for fans to pay for a blackout-free streaming package, ordered directly from MLB.

For the club, it’s generally agreed that these arrangements are less lucrative than the previous RSN contracts. For the Mariners, they may be sacrificing some gross revenue but they are saving lots of money by getting rid of the costs of operating Root. It’s difficult to get a read on the full financial picture from the outside but the Mariners presumably feel this is a better arrangement for them. That may impact the club’s player payroll this winter, though further reporting should shed more light on that over time.

It was reported last month that ESPN had struck a deal with MLB, acquiring various elements for 2026 and beyond, including the in-market rights of the five clubs currently handled by MLB. It’s unclear how that will change things going forward. ESPN is launching a streaming service, so fans in those markets may have to deal with that company instead of MLB. With the MLB now taking on Seattle’s rights, it’s unclear if MLB will pivot and include them in that ESPN deal.

MLB commissioner Rob Manfred is hoping to acquire the rights to all 30 clubs by the end of the 2028 season. MLB’s various national deals with companies like Fox and Turner all expire after that season. The same is true of other pacts with companies like Netflix and NBC/Peacock. Going into 2029, it’s theoretically possible that Manfred could market almost all MLB broadcast rights in one mega package, or split them up into smaller packages to be sold to multiple companies. Whether he can pull that off remains to be seen but this news pries loose one more club.

Photo courtesy of John Froschauer, Imagn Images

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Newsstand Seattle Mariners Television

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Astros Notes: Pena, Alvarez, Rodgers, Polanco

By Mark Polishuk | September 21, 2025 at 6:16pm CDT

6:16PM: During the Astros’ pregame radio show, GM Dana Brown said that Pena’s oblique injury “could be just a two-day thing.  It’s minor based on the initial evaluation of it.”  Pena will still get some testing done out of due diligence. (Hat tip to Chandler Rome).

5:40PM: As the Astros head into a critical matchup with the Mariners tonight, Houston will be without one of its key players for at least this game and perhaps beyond.  Jeremy Pena was included in the initial lineup but has now been scratched due to left oblique soreness, according to an announcement from the team.

Needless to say, losing Pena would be devastating to the Astros’ chances of winning the AL West, or even making the postseason given how the standings have narrowed.  The Astros trail Seattle by two games in the division race after losing the first two games of this weekend series, and another loss tonight would put Houston out of the playoff picture entirely, as the surging Guardians would have a matching 84-72 record and the tiebreaker edge.

Because the Astros don’t play on Monday, it provides some extra time to evaluate Pena’s condition.  If it is just a matter of soreness and tonight’s scratch was more of a precautionary move, it’s possible the shortstop could be back in action as soon as Tuesday.  Oblique issues are notoriously hard to project, however, so even if Pena remains short of an actual oblique strain, there might still be enough discomfort that the Astros don’t want to risk putting him into a game.

Pena is having the best of his four Major League seasons, hitting .304/.363/.477 with 17 homers and 20 steals (in 22 attempts) over 543 plate appearances.  Each of those slash categories is a new career high for Pena, and he has also matched his personal best in stolen bases.  Between his big numbers and excellent defense, Pena has been worth 5.7 fWAR this season, even though he missed all of July recovering from a rib fracture.

Injuries have been the biggest problem of Houston’s season, as it is rather remarkable that the Astros are still in the race given how many key players have missed substantial amounts of time.  Yordan Alvarez is one of those figures, as the slugger has been limited to 48 games due to a hand injury that included a finger fracture, and most recently a sprained ankle that sent him back to the IL on September 16.

Alvarez provided media (including the Houston Chronicle’s Matt Kawahara) with an update on his status today, saying that he has yet to begin baseball activities since the inflammation in his ankle hasn’t fully settled.  On the plus side, Alvarez is no longer wearing a protective boot, and he feels he is healing a little quicker than expected.  In the absolutely best case scenario, Alvarez would be eligible to be activated off the IL on Friday, when the Astros visit the Angels in the opener of their final series of the year.

One player who won’t be an option is Brendan Rodgers, as manager Joe Espada confirmed to MLB.com’s Brian McTaggart and other reporters that Rodgers’ season is officially over.  The news is no surprise, as Rodgers hasn’t played in a big league game since June 14.  Initially sidelined by an oblique strain, Rodgers suffered a concussion and a nasal fracture after an on-field collision in his first minor league rehab game in July.  He returned to play one more minors game in August but was then sidelined by back problems.

Signed to a minor league deal in February, Rodgers made the Opening Day roster, and thus locked in a $2MM salary for the 2025 season.  He hit .191/.266/.278 over 128 PA and 43 games before his injuries prematurely ended his season, and Rodgers will surely have to settle for another minor league contract with Houston or another club this winter.

Rodgers was brought aboard to add second base depth due to Jose Altuve’s planned move to left field, and he may have been a fallback plan after Houston missed on signing Jorge Polanco.  The Astros were the runners-up to the Mariners in signing Polanco, as the veteran infielder told Ryan Divish of the Seattle Times that Houston was “very close.  They made a good offer, but Seattle came back with a better offer.”

The Mariners were also given the chance to counter, as Divish writes that Polanco’s agent gave Seattle a last chance to top the Astros’ offer.  The end result was a one-year, $7.75MM guarantee plus a mutual option for 2026 that has now vested into a player option.  Missing out on Polanco might well end up being the difference for the Astros in the AL West race, as Polanco rebounded in a huge way from a lackluster 2024 season to hit .265/.325/.489 with 24 homers for the M’s this year.

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Bryan Woo Suffering From “Minor” Pectoral Inflammation

By Mark Polishuk | September 20, 2025 at 4:32pm CDT

September 20: Woo’s MRI revealed “minor” inflammation in his pectoral muscle, manager Dan Wilson told reporters (including Adam Jude of The Seattle Times) today. Wilson added that the team won’t know for another 24-48 hours whether or not Woo will require a trip to the injured list due to the issue.

September 19: Mariners right-hander Bryan Woo made an early exit from tonight’s start, as Woo left the mound after a few warm-up pitches prior to the start of his sixth inning of work.  Following the game, M’s manager Dan Wilson told the Seattle Times’ Ryan Divish that Woo was dealing with “a little pec tightness” and would undergo an MRI on Saturday to explore the extent of the injury.

Wilson said that Woo initially told him about the discomfort after the previous inning, so the warm-up pitches were just a precautionary way of testing things before the decision was made to pull Woo from the game.  Catching any possible injury early left Wilson hopeful that Woo has avoided something more serious, though more will be known once the tests are complete.

Woo hadn’t shown any indication anything was wrong, as he was masterful in limiting the Astros to just one hit and one walk over five shutout innings.  The bullpen kept up the good work in finishing off Seattle’s 4-0 shutout win, which put the Mariners a game ahead of Houston in the AL West standings.  The M’s also moved into position for a first-round bye, by dint of winning their season series with the AL Central-leading Tigers.  With the playoff push in full swing and the Seattle fans dreaming of October success, losing Woo to the injured list would be a huge setback for the streaking Mariners.

The usually dominant M’s rotation took an overall step backwards this season, but Woo has been a stabilizing force in what has been the best of his three big league seasons.  Even before tonight’s gem, Woo had a 3.02 ERA and 26.8% strikeout rate over 181 2/3 innings.  A .238 BABIP has certainly added to Woo’s success and helped counter his hard-contact issues, but Woo has helped his own cause with an elite 4.9% walk rate that sits among the league’s best.

Amidst all of the impressive stats, the 186 2/3 innings Woo has now logged may be the most noteworthy, given the injury concerns that plagued the early stages of his career.  He was recovering from a Tommy John surgery in his college days when the Mariners made him a sixth-round selection in the 2021 draft, and Woo missed time due to arm injuries in both 2022 and 2023, though he was able to make his MLB debut in the latter season.  Elbow inflammation delayed his 2024 debut until May 10, and between that IL stint and a hamstring strain, Woo was limited to 121 1/3 big league frames last year.

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Orioles Claim Jose Castillo, Designate Carson Ragsdale

By Steve Adams | September 15, 2025 at 3:29pm CDT

The Orioles announced Monday that they’ve claimed left-handed reliever Jose Castillo off waivers from the Mariners. Righty Carson Ragsdale was designated for assignment in a corresponding move. Baltimore also placed righty Albert Suarez on the 15-day IL due to right elbow discomfort and recalled fellow righties Chayce McDermott and Yaramil Hiraldo from Triple-A Norfolk.

Castillo, 29, joins his fourth team of the 2025 season. He’s suited up for not only the Mariners but also the Mets and D-backs. The well-traveled southpaw has pitched 24 2/3 innings and turned in a 4.38 ERA with a 19.5% strikeout rate and 9.3% walk rate. He’s tallied three holds in five situations, but lefties (.390/.469/.561) and righties (.300/.377/.455) have both hit well against Castillo in limited appearances.

This marks Castillo’s first generally healthy season since his rookie year in 2018, when he pitched 38 1/3 innings of 3.29 ERA ball for the Padres. Injuries decimated the lefty’s career; he pitched only 1 2/3 big league innings combined from 2019-24 and didn’t top 37 2/3 innings at the minor league level in any season along the way. Castillo can still be controlled another two seasons beyond the current year, if he sticks on the Orioles’ 40-man roster.

Ragsdale, 27, is a longtime Giants farmhand who made his way to the O’s via waivers earlier this summer. He made his big league debut with Baltimore, tossing three innings but serving up eight runs on nine hits and a walk with two strikeouts. The 2020 fourth-rounder had solid numbers throughout much of his minor league tenure but has stumbled to a 4.87 earned run average with just a 19.7% strikeout rate and a 12% walk rate.

Ragsdale notched a 2.93 ERA in High-A and a 3.49 mark in Double-A, but he’s barely kept his ERA under 5.00 in parts of two Triple-A seasons. He’s sitting 92.6 mph on his four-seamer this year, complementing the pitch with a high-70s curveball and a splitter — the former of which has previously drawn plus grades in scouting reports. Ragsdale has two minor league option years remaining beyond the current season, which could heighten his appeal to clubs in need of pitching depth.

As for the 35-year-old Suarez, this elbow issue will end his season. He’s missed most of the 2025 campaign due to a separate shoulder injury. Suarez pitched well in 11 2/3 big league innings between injuries, logging a 2.31 ERA with a 10-to-2 K/BB ratio. The journeyman righty was a godsend for the O’s in 2024, going from a minor league signee to a key member of the staff who tossed 133 2/3 innings with a 3.70 ERA.

Suarez pitched in the majors with the Giants from 2016-17 and then spent the 2019-23 seasons starring in Japan’s Nippon Professional Baseball (2019-21) and the Korea Baseball Organization (2022-23). The O’s can control him for three more seasons via arbitration, but it’s not clear how severe his current elbow ailment is or how much time it might cause him to miss.

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Baltimore Orioles Seattle Mariners Transactions Albert Suarez Carson Ragsdale Chayce McDermott Jose Castillo Yaramil Hiraldo

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MLBTR Podcast: Talking Mariners With Jerry Dipoto

By Darragh McDonald | September 12, 2025 at 10:27pm CDT

The latest episode of the MLB Trade Rumors Podcast is now live on Spotify, Apple Podcasts, and wherever you get your podcasts! Make sure you subscribe as well! You can also use the player at this link to listen, if you don’t use Spotify or Apple for podcasts.

This week, host Darragh McDonald is joined by Mariners president of baseball operations Jerry Dipoto to discuss…

  • Seattle’s lack of spending on free agent position players (2:30)
  • The unique challenges of getting players to want to come to Seattle (4:40)
  • The club’s interest in re-signing Josh Naylor (8:15)
  • Do optics matter when making a move such as bringing back Eugenio Suárez or Jorge Polanco? (9:20)
  • The club’s ability to add talent at the deadline (13:25)
  • Does the expanded playoff field make it harder to trade prospects for major league talent? (16:30)

Plus, Tim Dierkes of MLB Trade Rumors joins the show to discuss…

  • Anthony Rizzo retiring with the Cubs (20:40)
  • Sean Murphy undergoing hip surgery and how the Braves look going into the offseason (24:45)
  • The Lourdes Gurriel Jr. injury and the outlook for the Diamondbacks prior to the winter (31:35)

And we answer your questions, including…

  • What would it look like if the White Sox locked up their young core by giving extensions to Colson Montgomery, Kyle Teel, Edgar Quero and Shane Smith? (42:25)
  • Which version of Pete Crow-Armstrong will the Cubs get going forward, his red-hot first half or recent struggles? (51:40)

Check out our past episodes!

  • Aroldis Chapman, And Offseason Possibilities For The Braves, Rangers, Pirates And Marlins – listen here
  • A Conversation With Pirates GM Ben Cherington — Also The O’s, Zack Wheeler, And The Rangers – listen here
  • The Pohlads Aren’t Selling The Twins, Nathaniel Lowe, And Service Time Manipulation – listen here

The podcast intro and outro song “So Long” is provided courtesy of the band Showoff.  Check out their Facebook page here!

Photo courtesy of Mark J. Rebilas, Imagn Images

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Dipoto: Mariners Interested In Re-Signing Josh Naylor

By Anthony Franco | September 12, 2025 at 7:45pm CDT

The Mariners are riding a six-game win streak that has pulled them into a tie with Houston for the top spot in the AL West. Josh Naylor has eight hits, including a trio of home runs, over that stretch. He’s batting .260/.306/.460 with eight home runs in 41 games since being acquired from Arizona at the deadline. He’s also incredibly 16-16 in stolen base attempts, ranking third in MLB behind Juan Soto and Jazz Chisholm Jr. in steals since he was traded. Unsurprisingly, the Mariners would like to keep the impending free agent in the Pacific Northwest.

“Yeah I think we would (like to retain him),” M’s president of baseball operations Jerry Dipoto told MLBTR’s Darragh McDonald on this week’s edition of the podcast. “That remains to be seen how Josh feels about the matter. It’s never easy when you’re in a playoff race to open discussions like that. I know that there is interest on our end, and I believe that there is interest on Josh’s end.”

Naylor hasn’t suffered from Seattle’s home park, which grades as MLB’s most difficult for hitters. He’s batting .338 with five home runs in 19 games at T-Mobile Park since the trade. That’s an extremely small sample, but Naylor also had success against Seattle pitching as a visiting player. He’s a career .283/.319/.535 hitter over 140 plate appearances at T-Mobile Park.

“He’s actually as good as anybody that’s played in the last handful of years at hitting in this ballpark. It doesn’t seem to bother him much. We’ll see if there’s an interest in sticking around as a Mariner,” Dipoto noted. Naylor echoed those sentiments when speaking with the M’s beat earlier this week (link via Ryan Divish of The Seattle Times).

“Every time I was an opponent, this is like the first place I couldn’t wait to come to,” the lefty hitter said. “I feel comfortable everywhere, to be honest, but I just really enjoyed playing here coming here as an opponent. I thought it was a super cool stadium. The fans were always electric. I think you see the ball well here, personally. I like the open roof. When the roof is closed, it’s cool. But I love the feeling of the roof open.”

The Mariners are going to look beyond 36 games of park-specific data when deciding how seriously to pursue a long-term deal with Naylor. His success there provides some comfort on both sides, though. The Mariners haven’t been big spenders on free agent hitters throughout Dipoto’s decade-long tenure atop baseball operations. As shown on MLBTR’s Contract Tracker, Mitch Garver is the only free agent position player to sign for multiple guaranteed seasons in that time. Beyond Garver’s $24MM guarantee, last offseason’s one-year, $7.75MM agreement to bring back Jorge Polanco is their second largest deal for a free agent hitter.

Naylor is headed into his age-29 season. He won’t be attached to draft pick compensation because the midseason trade rendered him ineligible to receive a qualifying offer. He should easily surpass the Garver contract and has a chance to secure a four-year deal despite teams’ general reluctance to sign first basemen to long-term contracts. Naylor carries a .271/.333/.462 slash in more than 2000 plate appearances over the past four seasons. His plus contact skills give him a solid offensive floor and he’s a reasonable bet for 20+ home runs annually. His glove rates around league average, and while he’s one of the sport’s slowest players, this year’s stolen base proficiency demonstrates better baserunning instincts than one would expect based on his physique.

Dipoto spoke generally (not regarding Naylor individually) about the organization’s lack of free agent activity on the offensive side. “I don’t necessarily think it’s a personal plan and certainly not something we discuss here internally. … We just haven’t been able to attract the right player that we feel great about investing more than 2/24 in. We’ve tried and we’ve come up short on a number of occasions in trying to recruit those free agents,” he told MLBTR. “We’re also entering a stage in our development where we’re pretty confident in our system and the ability to start churning position players in a way that we were churning out starting pitchers a handful of years ago.”

Seattle’s farm system indeed has a forthcoming influx of young talent. The M’s already graduated rookie second baseman Cole Young, who showed flashes early before hitting a second half slump. They have five additional position players on Baseball America’s most recent Top 100 prospects. None of those players are first basemen, though, and the M’s dealt Tyler Locklear to the Diamondbacks in the separate deadline trade for Eugenio Suárez. Turning the position back over to Luke Raley, who has battled injuries amid a down year, isn’t ideal.

The M’s pushed their payroll to roughly $166MM with this summer’s additions, as calculated by RosterResource. They have around $77MM committed to next season. An arbitration class featuring Randy Arozarena, Logan Gilbert, George Kirby and Bryce Miller will cost roughly $35-40MM. Seattle also has a $6MM option on Andrés Muñoz which they’ll certainly exercise. Polanco will be able to return on a contract option that could reach $8MM, though he’s likely to decline that after one of the best offensive showings of his career.

Seattle isn’t likely to be huge players in free agency, but there appears to be room for an offseason built around re-signing Naylor and making a few supplementary additions. It’s also possible they shop Luis Castillo, who’ll make $22.75MM annually for two more seasons. Castillo, who was the subject of some trade chatter last winter, has generally been a reliable mid-rotation presence but has struggled in the second half.

Naylor’s impending free agency was one of myriad topics that MLBTR and Dipoto discussed this week. Seattle’s baseball ops president also spoke with Darragh about the volume of trades for which he’s gained the “Trader Jerry” nickname, reuniting with Suárez after trading him away two seasons ago, re-signing Polanco despite his injury-plagued first season with the club, and the increasing difficulty of trading prospects for major league talent with fewer teams embarking on five-plus year rebuilds than there were a few seasons ago.

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Mariners Designate José Castillo For Assignment

By Darragh McDonald | September 12, 2025 at 5:55pm CDT

The Mariners announced today that they have recalled right-hander Casey Legumina from Triple-A Tacoma. In a corresponding move, left-hander José Castillo has been designated for assignment. The club’s 40-man roster count drops to 39.

Castillo, 29, was just claimed off waivers from the Mets earlier this month. Since that claim, he has given the Mariners three scoreless innings. This move is likely more a result of circumstances than his performance. The Mariners are seven games into a stretch of ten in a row. The bullpen has been leaned on heavily in recent days. Five different relievers pitched on Tuesday. Then on Wednesday, six relievers were used in a game which went to 13 innings. Three of those six pitchers tossed more than an inning. Last night, the club had another long one, using six relievers in a 12-inning game.

Every reliever in the bullpen pitched at least twice in that three-day span except for Emerson Hancock, who logged two innings on Wednesday. Castillo himself pitched in each of the last two games and has seemingly been nudged out to get a fresh arm into the bullpen.

It’s been that kind of year for Castillo, who has generally pitched well. But since he’s out of options, he has been forced into DFA limbo numerous times. He started the year with the Diamondbacks on a minor league deal. He was added to the big league roster at the start of May. Less than two weeks later, he was designated for assignment and traded to the Mets. The latter club designated him for assignment three times. The first two resulted in him clearing waivers and later getting added back to the roster, but the M’s claimed him on the third.

He’s now back in DFA limbo yet again. Since the trade deadline has passed, he’ll be back on waivers in the coming days. Around all the transactions, he has tossed 24 2/3 innings with a 4.38 earned run average, 19.5% strikeout rate, 9.3% walk rate and 55.7% ground ball rate. He has also thrown 16 Triple-A innings this year with a 1.69 ERA, 35.9% strikeout rate, 9.4% walk rate and 50% grounder rate.

At this time of year, he wouldn’t be postseason eligible with any claiming club, though perhaps some team is in need of a fresh arm for the stretch run. As mentioned, Castillo just appeared in the past two games but will have a chance to rest for a few days while on waivers. He could also be retained for next year via arbitration if he’s on a roster somewhere at the end of the season.

Photo courtesy of Vincent Carchietta, Imagn Images

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Mariners’ Ryan Bliss Undergoes Season-Ending Meniscus Surgery

By Anthony Franco | September 8, 2025 at 5:12pm CDT

Mariners infielder Ryan Bliss recently sustained a meniscus tear in his right knee, general manager Justin Hollander tells reporters (including Tim Booth of The Seattle Times). He underwent season-ending surgery today.

Bliss is already on the 60-day injured list. Seattle’s Opening Day second baseman suffered a biceps rupture on a swing in the middle of April. He underwent surgery that came with a 4-5 month recovery timeline. Bliss had seemingly made good progress and was healthy enough to begin a rehab assignment with Triple-A Tacoma on August 28. He was hitting .385 over six games there before suffering the meniscus tear.

The 25-year-old Bliss had a slow start to the season. He was batting .200 with a .282 on-base percentage across 11 games. Bliss hasn’t hit much in limited big league playing time, but he had a .269/.377/.456 slash with 50 stolen bases in Tacoma a year ago. The M’s promoted more highly regarded prospect Cole Young to take over second base at the end of May. Young has been mired in a brutal slump since the All-Star Break (.174/.319/.283 in 114 plate appearances). Skipper Dan Wilson has had the 22-year-old on the bench for the past four games. Bliss might’ve been a few days away from retaking the starting second base job.

Instead, the Mariners will continue dividing the playing time primarily between Jorge Polanco and recent call-up Leo Rivas. Polanco is in the lineup every day, but the M’s are reluctant to overwork him on defense as he plays through knee soreness. He’s getting plenty of DH at-bats. The switch-hitting Rivas is in the starting lineup for the third time in four games tonight against St. Louis righty Miles Mikolas. Young remains on the active roster but is out of the lineup for the fifth consecutive game.

The M’s took the final two of a three-game set in Atlanta over the weekend. They’re 1.5 games up on the Rangers for the last Wild Card spot. The Royals and Guardians are also within three games. Seattle trails the Astros by 2.5 games in the AL West picture. They’re back home (where they’ve been far better than on the road over the past two months) for this week’s series against the Cardinals and Angels.

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Jorge Polanco Vests 2026 Player Option

By Nick Deeds | September 6, 2025 at 9:50pm CDT

Mariners infielder Jorge Polanco took his 450th plate appearance of the 2025 season during tonight’s 10-2 win over the Braves, and in doing so he unlocked a player option for the 2026 campaign. Come November, Polanco will now have the opportunity to either return to free agency or stick with Seattle by picking up that option, which is worth $6MM with a $750K buyout. He also unlocked an additional $500K to his incentives added to his salary for the 2025 season by reaching 450 plate appearances this evening.

Polanco, 32, had his $12MM club option declined by the Mariners last offseason in favor of a $750K buyout after he underwent surgery to repair the patellar tendon in his left knee last offseason. He lingered on the open market until February before finally re-signing with Seattle on a one-year deal that guaranteed him $7.75MM between his base salary and the aforementioned buyout on what was then a mutual option. He’s played enough to not only vest that option but also add $2.5MM to his base salary via plate appearance incentives, including the $500K he added today.

That success in terms of staying on the field has been paired with fairly strong production from the veteran. He’s slashing .257/.324/.473 across his 450 trips to the plate after tonight’s game, good for a 125 wRC+ that would actually be the best offensive line of his career. He’s crushed 23 homers, his highest total since 2021, and has done so while striking out just 15.7% of the time. Only 29 qualified hitters have a lower strikeout rate than Polanco this year, and among that group only Jose Ramirez, Cody Bellinger, and Ketel Marte have hit more home runs.

That combination of pop and contact would easily be enough to make Polanco a three-to-four win player if he was playing the infield regularly, even despite his lackluster glove on the infield. He’s primarily served as Seattle’s DH this year, however. Some of that has been due to his recovery from last offseason’s knee surgery and other day-to-day ailments he’s dealt with throughout the year, and part of it is also due to the emergence of top prospect Cole Young at second base and the club’s decision to trade for Eugenio Suarez to man the hot corner. Whatever the reason, Polanco has just 30 appearances in the field (mostly at second base, with brief cameos at both first and third) this season, including just 26 starts.

Even without Polanco playing the field very often, it seems likely that he’ll decline his player option in favor of testing free agency. After all, Polanco landed a larger guarantee than the $5.25MM decision he’ll be making last offseason, coming off a down season where he hit just .213/.296/.355 (92 wRC+) in 118 games. He seems fairly likely to do a good bit better on the market this year. Gleyber Torres is the top name on the second base market this year, with Willi Castro, Amed Rosario, and Luis Rengifo among a handful of utility types also slated to hit free agency this winter. While names like Suarez, Alex Bregman, and Bo Bichette will steal most of the attention among infielders, a well-above average switch hitter like Polanco should get plenty of interest even if viewed as a DH. If viewed as a DH, Polanco would likely join Ryan O’Hearn and Marcell Ozuna among the second tier of options at the position behind top slugger Kyle Schwarber.

While Polanco is seemingly poised to decline his option in favor of free agency this winter, it ought to be noted that the option does offer him some protection against an injury cropping up that would impact his market. With that being said, it must be noted that Polanco’s contract with Seattle contains language that would block his player option from kicking in if he suffers a lower-half injury that would impact his availability for the start of the 2026 season. Even with that language limiting the scope of his injury protection, however, it’s surely a relief for Polanco to know that he has a contract more or less guaranteed for next season if he wants it.

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