MLB approves use of electronic device to relay signs to pitchers in 2022
MLB to allow pitchers, catchers to use anti-sign-stealing
Houston Astros sign stealing scandal - Wikipedia
FanGraphs 2022 Opening Day Chat
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MLB to allow anti-sign-stealing technology during 2022 season
Royals like PitchCom electronic pitch-calling device
MLB Approves PitchCom to Limit Sign Stealing - The New York Times
MLB set to test electronic communications for catchers and pitchers
MLB Approves PitchCom to Limit Sign Stealing - The New York Times
HOF pitcher Greg Maddux approves MLB's new PitchCom device
MLB approves use of electronic pitch calling - The Boston Globe
MLB Will Allow Pitchers, Catchers To Use Anti-Sign-Stealing
Pushing buttons: How the Cubs customized, embraced PitchCom
Houston Astros sign stealing scandal - Wikipedia
Baseball news: Major League Baseball approves electronic device
Sign stealing - Wikipedia
