MLB to test electronic device for catchers to give signals to
Wondering how PitchCom works? Check out HR's and Dan's demo in 42
Pitcher-catcher communication system tested in Minor Leagues
College Baseball Was On the Clock and Chose an Electronic Wristband
MLB news: Teams testing audio system to prevent sign stealing
Wristbands For Pitchers? Some Colleges Embrace New Way To Call
Never Miss A Sign Wristband Sign System for Baseball and Softball
Report: MLB To Allow Use of 'PitchCom' in Regular Season To
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Sign of times: MLB gives OK to electronic pitch calling – KGET 17
Rockies experiment with PitchCom technology
Push-button pitching: MLB to let pitchers call own signals - The