Balk this way - Boston Red Sox history of issuing balks
Talking Balk: All Walk-Off Balks in MLB History | The Harvard Sports Analysis Collective
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Balk This Way - Referee.com
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MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps? | BU Today | Boston University
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But Seriously..., Best explanation of a balk I've ever seen,...
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Balk Rule
