Rays’ ace Tyler Glasnow has partially torn UCL, flexor tendon strain; will attempt to rehab without surgery

Tampa Bay Rays ace Tyler Glasnow, who left his start on Monday night because of elbow inflammation, has a partially torn ulnar collateral ligament and a flexor tendon strain, according to ESPN’s Jeff Passan. Glasnow will attempt to rehab the injury without undergoing Tommy John surgery, though it’s unclear what his chances are of avoiding that fate.

Glasnow, 27, had pitched fantastically over his first 14 starts this season. He’d compiled a 2.66 ERA (145 ERA+) and a 4.56 strikeout-to-walk ratio in 88 innings. Although the Rays tend to steer away from lengthy…