Sign of times: MLB gives OK to electronic pitch calling
Meet PitchCom, the audio pitch-calling system drawing positive reviews
Who generally calls the pitches in Major League Baseball - pitcher, catcher or manager? - Quora
Royals like PitchCom electronic pitch-calling device
What is PitchCom? How MLB pitchers are calling their own pitches
Max Scherzer to call own pitches to work quickly with new MLB rules
Catcher Signals: A Guide Catcher-Pitcher Signs
MLB gives OK to electronic pitch calling
MLB Tests Electronic Voice Transmitter for Catchers to Signal Pitchers - Voicebot.ai
Let the Waiting Begin: Calling Pitches, Slowly, in College Baseball - The New York Times
Push-button pitching: MLB to let pitchers call own signals | AP News
Brewers' Corbin Burnes first to use PitchCom tech during MLB game
Coaches: Let Your Catchers and Pitchers Call Their Own Pitches
Rays players rave about new pitch-calling device
Who's involved in calling pitches? Everyone, Tigers skipper says - mlive.com
MLB is turning to an electronic pitch-calling system to fight cheating | Engadget
MLB will begin using electronic pitch calling this season
MLB Approves PitchCom to Limit Sign Stealing - The New York Times
Rays tuned in to new electronic pitch-calling technology
Rays tuned in to new electronic pitch-calling technology
MLB approves use of electronic pitch calling - Chicago Sun-Times
Sign of times: Major League Baseball gives OK to electronic pitch calling - oregonlive.com
What is PitchCom and how is it being used in MLB? - NBC Sports Chicago
How To Call Pitches - A Guide | American Baseball Camps
MLB news: Teams testing audio system to prevent sign stealing - Sports Illustrated
