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Yankees pitcher wears protective hat post-brain surgery, MLB.com
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MLB umpires wear wristbands to protest 'abusive' treatment
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Retaliation The Baseball Codes
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MLB umpires wear white wristbands against player abuse
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MLB umpires wear white wristbands against player abuse
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Umpires ban together after Ian Kinsler criticism of Angel Hernandez - ESPN
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MLB umpires wearing white wristbands in protest of 'escalating verbal attacks
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MLB umpires wearing white wristbands in protest of 'escalating verbal attacks
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MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
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Pin by Nitin Parcha on veer ji Baseball cards, Baseball, Sports
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MLB umpires wear wristbands to protest 'abusive' treatment
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MLB umpires wear wristbands to protest 'abusive player behavior