SURPRISE, Ariz. -- Rangers reliever Tanner Scheppers has been diagnosed with torn articular cartilage in his left knee and is returning to Texas to have surgery. The initial diagnosis is he will be out until after the All-Star break.
Scheppers was bothered by a bone bruise in his left knee last season, but the Rangers believe this is an unrelated injury. Scheppers had the knee scanned in September and the results were clean.
"He woke up a few days ago and the knee was a little puffy," Rangers general manager Jon Daniels said. "He can't think of a moment where he tweaked it.