I was listening to Tyler Glasnow's opinion is that pitcher injuries have been on the rise since they have banned sticky substances and umpires are actually following through and checking pitchers.
Without the sticky substances and with changing baseball manufacturing, pitchers have to grip the ball harder to throw faster pitches and have higher spin rates. Now pitchers are having to grip tightly on pitches they used to want a light grip with, fastballs and curveballs. This causes much more strain on ligaments during the pitching motion. I'm not a doctor, but this seems like a huge change to MLB pitching and makes sense to me.
Baseball wants more scoring which isn't meshing with keeping pitchers healthy.
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