Astros use PitchCom to transmit signs for first time

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

MLB gives OK to electronic pitch calling

Houston Astros 2017 cheating scandal: What you need to know

Angels give new electronic pitch signaling devices mixed reviews – Orange County Register

Sign of times: MLB gives OK to electronic pitch calling

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

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

MLB game times cut 30 minutes, steals double under new rules

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

Pitcher-catcher communication system tested in Minor Leagues

Baseball investigates Houston Astros' alleged video theft of signs

How PitchCom changed the way MLB players communicate - Sports Illustrated

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

What is PitchCom in baseball? Explaining the device used by Shohei Ohtani, other MLB pitchers & how it works

Ground Control to Major Tom: How PitchCom is Impacting the Game - Twinkie Town