Mariners signed knuckleballer Charlie Haeger, left-hander Fabio Castro, infielder Luis Rodriguez and right-hander Chris Smith, the team announced today. All four receive invitations to big league Spring Training.
Haeger, 27, appeared in nine games for the Dodgers this year. He struck out 30 batters in 30 innings, but walked 26 and posted an 8.40 ERA. He has generated strikeouts throughout his five-year MLB career, but has walked 6.4 batters per inning.