The Reds have signed Zach Duke to a minor league deal, tweets Chris Cotillo of MLBDailyDish.com. According to the Triple-A International League transactions page, Duke was assigned to Triple-A Louisville, and catcher Konrad Schmidt was released to clear roster space.
The Nationals re-signed Duke to a Major League deal this past December, but the former Rookie of the Year candidate was ultimately designated for assignment and released after allowing 20 runs in 20 2/3 innings. Despite his left-handedness, the 30-year-old Duke has actually allowed a .386/.413/.477 line to opposing left-handers from 2012-13. He's walked just two of the 46 lefties he's faced though and hasn't allowed a home run.
The 28-year-old Schmidt spent his entire professional career with the D-backs prior to this season. He reached the Majors on two separate occasions but only saw 17 plate appearances. He has a career .271/.323/.409 batting line in 218 games at the Triple-A level.