The Athletic’s Zach Buchanan reports that Diamondbacks starter Taijuan Walker has a “UCL injury,” according to manager Torey Lovullo. Walker is seeking a second opinion. Lovullo said, “This information came as a surprise to me. I thought he would be OK.”
Walker left Saturday’s start against the Dodgers after two innings with right forearm tightness. This latest news suggests me may be headed for Tommy John surgery. That’s quite an unfortunate series of events for the 25-year-old Walker and for the Diamondbacks.
Last season, Walker had his best full season, finishing with a 3.49 ERA and a 146/61 K/BB ratio in 157 1/3 innings. This season, he had limited the opposition to five runs on 15 hits and five walks with nine strikeouts in 13 innings.
Ken Rosenthal of The Athletic confirms a report from journalist Américo Celado that White Sox catcher Welington Castillo will be suspended 80 games for violating baseball’s Joint Drug Agreement. Castillo was believed to have used a steroid, but according to Rosenthal, the substance was not a steroid. More details should come on Thursday.
Castillo, 31, entered Wednesday’s action batting .270/.314/.477 with six home runs and 15 RBI in 118 plate appearances. He has gotten the bulk of the work behind the plate, backed up by Omar Narváez.
Castillo’s absence will likely prompt the White Sox to call up Kevan Smith from Triple-A Charlotte. Smith battled an ankle injury in March and April, so he got a late start to the season. In 102 PA at Triple-A, he has hit .283/.343/.457.