PitchCom device in MLB has roots back to 1962 minor leagues
Rays Tales: Garton a product of unorthodox training program
What is the New PitchCom Device and How Does it Work?
MLB's PitchCom System Draws Mixed Reactions - The New York Times
How PitchCom changed the way MLB players communicate - Sports Illustrated
Pitch Clocks, Shift Limits, Larger Bases In MLB's Future
MLB is turning to an electronic pitch-calling system to fight cheating
Mets' Max Scherzer after using PitchCom: 'Should be illegal
Toronto Blue Jays vs Cincinnati Reds - August 19, 2023 - Redleg Nation
Brewers All Access
Wondering how PitchCom works? Check out HR's and Dan's demo in 42
FRONTLINE, The Astros Edge, Season 2023, Episode 16
MLB: Teams allowed to use PitchCom to limit sign stealing
MLB will allow teams to use PitchCom, the anti-sign-stealing device, in 2022 season - The Athletic