Herz has been diagnosed with a left elbow UCL sprain ... However, as it turns out, he's dealing with an injury that often requires season-ending UCL surgery, although it's not yet clear whether ...

Objectives: Rupture of the ulnar collateral ligament (UCL) is a frequent injury of the hand. When untreated, this injury may lead to decreased pinch strength, pain, instability, and osteoarthritis.

Lucas Giolito left today's Spring Training start with a hamstring injury that requires an MRI. Read more at MLB Trade Rumors.