Former Milwaukee Brewers closer Derrick Turnbow was diagnosed with a slight tear of the rotator cuff in his pitching shoulder, which will likely end his season.
Turnbow is expected to meet with Brewers' team physician William Raasch on Wednesday to determine the course of action.
Turnbow struggled with his control in Milwaukee this spring and was sent to Triple A Nashville. The wildness never improved there.
Turnbow is in the final year of a three-year contract.