Fitness and Adventure: Throwing fastballs—not curveballs—linked to Tommy John surgery

Fitness and Adventure on SI.com

Throwing fastballs—not curveballs—linked to Tommy John surgery

Curveballs have been thought to wreck elbows, but new studies show it\'s throwing fastballs that lead to Tommy John surgery for baseball players.

Published on June 14, 2016 at 11:04PM

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Fitness and Adventure