Arizona Diamondbacks right-hander Justin Martinez has been placed on the 15-day injured list with a sprained ulnar collateral ...

He was limited to just 21 appearances after missing two months following surgery to repair a torn ulnar collateral ligament in January. The former McDonald's All-American was on pace to earn an SEC ...

Braves righty AJ Smith-Shawver will be out until the second half of the 2026 season following Tommy John surgery. Read more ...

What is Tommy John Surgery? UCL reconstruction is a surgery commonly used to repair a torn ulnar collateral ligament inside the elbow by replacing it with a tendon from elsewhere in the body. The goal ...