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MLB News: Tyler Glasnow Speaks On Elbow Injury and MLB's New Foreign Substance Rules
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Get a grip: Pitchers unsure on eve of sticky stuff crackdown
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Rays ace Tyler Glasnow has elbow tear, blames sticky substance change
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MLB pitchers ponder expectations for them as new substance rule takes effect
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Yankees' Gerrit Cole after MLB's crackdown: 'It's so hard to grip the ball
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Yankees' Gerrit Cole becomes latest pitcher to bash MLB's new sticky substance rules
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Tyler Glasnow Explodes On MLB, Your Foreign Substance Crackdown Ruined My Elbow!
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Tyler Glasnow says MLB crackdown contributed to his arm injury
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2021 pitch doctoring controversy - Wikipedia