Stroman will miss the entire season after tearing the anterior cruciate ligament in his left knee during fielding drills on Tuesday. General manager Alex Anthopoulos said the 23-year-old right-hander will seek a second opinion from Dr. James Andrews, and surgery is likely.
Anthopoulos said Stroman was participating in bunting practice when he was called off by third baseman Josh Donaldson. Stroman planted his feet to stop, then felt a pop in his knee. An MRI confirmed the tear. Stroman was 11-6 with a 3.65 ERA in 26 games last year.