Astros use PitchCom to transmit signs for first time

How PitchCom changed the way MLB players communicate - Sports Illustrated

Sign of times: MLB gives OK to electronic pitch calling

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

New evidence calls into question how much Astros benefitted - SportsMap

Houston Astros World Series: What is PitchCom, how does it work, and does it eliminate sign stealing? - ABC13 Houston

Marketing and Sponsorship: Big problem, tiny solution: PitchCom helps MLB make stealing pitch signals a sign of the past

Baseball investigates Houston Astros' alleged video theft of signs

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

Pitcher-catcher communication system tested in Minor Leagues

No more sign stealing? Electronic pitch calling coming to big league ballparks - Federal Baseball

After just four months, PitchCom is already reshaping MLB

Astros dismiss sign-stealing implications by White Sox pitcher – Houston Public Media

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

Astros use PitchCom to transmit signs for first time

Houston Astros World Series: What is PitchCom, how does it work, and does it eliminate sign stealing? - ABC13 Houston