Rays praise PitchCom electronic pitch-calling device
MLB looking at electronic system for calling pitches
Vanderbilt used an electronic wristband system for calling pitches
Robot umpire: Baseball edges closer to implementing automatic
New rules could drastically alter look, length of MLB games - The
MLB looking at electronic system for calling pitches
Somerset Patriots NJ test MLB's new automated umpiring system in game
Catchers no longer need educated fingers to flash signs: Guardians
Astros use PitchCom to transmit signs for first time
MLB is turning to an electronic pitch-calling system to fight cheating
Rays tuned in to new electronic pitch-calling technology
MLB gives OK to electronic pitch calling - The Globe and Mail
Royals like PitchCom electronic pitch-calling device
MLB news: Teams testing audio system to prevent sign stealing