What are 'loose bodies' and why are they suddenly all over MLB injury reports May 15, 2026 @ 8:59pmBaseballMLBFanSidedBefore this year, a lot of us hadn't ever heard the term "loose bodies," the MLB injury that's impacting Tarik Skubal, Edwin Diaz and now Blake Snell. Read moreWhat are 'loose bodies' and why are they suddenly all over MLB injury reports