MLB Approves PitchCom to Limit Sign Stealing - The New York Times

PitchCom approved for use in 2022 regular season

Oakland A's news: MLB will allow anti-sign stealing technology this season - Athletics Nation

Padecky: Baseball's constant tinkering with rules grows tiresome

MLB's PitchCom System Draws Mixed Reactions - The New York Times

MLB is turning to an electronic pitch-calling system to fight cheating

Major League Baseball approved use of electronic device for catchers to signal pitches in effort to eliminate sign stealing - ABC13 Houston

MLB will allow teams to use PitchCom, the anti-sign-stealing device, in 2022 season - The Athletic

Report: MLB To Allow Use of 'PitchCom' in Regular Season To Prevent Sign Stealing - Sports Illustrated Texas Rangers News, Analysis and More

Major League Baseball approved use of electronic device for catchers to signal pitches in effort to eliminate sign stealing - ABC13 Houston

Astros use PitchCom to transmit signs for first time

MLB to allow use of pitch-calling technology this season - The Japan Times