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Nightengale: MLB Crackdown on Pitchers and Illegal Foreign Substances Starts Next Week | The Sport Digest
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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 cracks down on pitchers using foreign substances to doctor baseballs: Five things to know - CBSSports.com
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