MLB to test pitch-calling device for catchers
Inside the PitchCom device: Why Red Sox catchers finally decided to try it, and why they're into it - The Boston Globe
Royals like PitchCom electronic pitch-calling device
Game changer': Pirates embrace pitch-calling device to improve pace, deter sign stealing
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Wondering how PitchCom works? Check out HR's and Dan's demo in 42
MLB looking at electronic system for calling pitches
Pitchers Will Now Have the Option of Electronically Calling Their Own Pitches in Spring Training - Bleacher Nation
MLB catchers wary of looming robo umps amid rules changes
How baseball's PitchCom is changing the college game, LSU
PitchCom volume issue gives away Twins pitch calls
Game changer': Pirates embrace pitch-calling device to improve pace, deter sign stealing
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
Communication devices to be used in Ohio prep baseball
Rockies spring training report: Pitchers experimenting with PitchCom to call own signals
Catchers no longer need educated fingers to flash signs: Guardians takeaways
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