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Inside the Not-so-Secret Art of Pitchers Using Foreign Substances on the Mound | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
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MLB will enforce foreign-substance ban on balls; Rays' Tyler Glasnow responds after going on injured list - Athletics Nation
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Cardinals Shildt on pitchers using foreign substance for grip, baseball's stickiest issue: 'Yeah, it's a problem'
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