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MLB pitchers are so angry about new 'hidden substances' rule they keep taking their pants off in protest | indy100
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Hector Santiago is first player suspended under MLB's foreign substance crackdown - The Washington Post
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MLB foreign substance crack down: Trevor Bauer, Gerrit Cole show reduced spin; ex-MVP calls out 'coincidence' - CBSSports.com
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MLB foreign substance crack down: Six things to know about baseball's sticky situation - CBSSports.com
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All your questions about MLB pitchers, Spider Tack and other foreign substances, answered – The Athletic
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Trevor Bauer explains what 70 percent of MLB pitchers are doing that's 'a bigger advantage than steroids' | Sporting News
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MLB cracks down on pitchers using foreign substances to doctor baseballs: Five things to know - CBSSports.com
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From the spitball to Spider Tack: A brief history of foreign substance use by pitchers in baseball - CBSSports.com
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