Tigers give a hard pass on electronic pitch-calling
Hofstra baseball rolls with the changes by adopting new pitch-calling technology — The Hofstra Chronicle
College Baseball Was On the Clock and Chose an Electronic Wristband
Baseball and Softball Wristband Signs: The 2023 Complete Guide
MLB approves use of electronic pitch calling - The Boston Globe
Baseball and Softball Wristband Signs: The 2023 Complete Guide
No more sign stealing? Electronic pitch calling coming to big league ballparks - Federal Baseball
Game Day Signals
Vanderbilt baseball unaffected by pace of play rules at tournament
Wristbands For Pitchers? Some Colleges Embrace New Way To Call Games — College Baseball, MLB Draft, Prospects - Baseball America
College Baseball Was On the Clock and Chose an Electronic Wristband