Mets embracing pitch communicator to prevent sign stealing
Mets pitcher Max Scherzer claims PitchCom 'should be illegal' as 'sign stealing is part of the game
MLB approves use of electronic pitch calling - Chicago Sun-Times
MLB has approved the use of Pitchcom anti-sign-stealing tech for 2022 season
PitchCom device in MLB has roots back to 1962 minor leagues
MLB gives OK to electronic pitch calling
Padecky: Baseball's constant tinkering with rules grows tiresome
PitchCom approved for use in 2022 regular season
Sign stealing - Wikipedia
MLB is turning to an electronic pitch-calling system to fight cheating