Astros sign-stealing scandal: MLB execs reportedly think buzzing bandages may have been used to relay pitches : r/baseball
Do any MLB pitchers wear wristbands? - Quora
New NCAA wristband rule could block sign stealing
Major League Baseball approved use of electronic device for catchers to signal pitches in effort to eliminate sign stealing - ABC13 Houston
College Baseball Was On the Clock and Chose an Electronic Wristband
I did not understand the extent of the cheating until I read this. Crazy AF. : r/mlb
USI baseball utilizing new one-way electronic communication rule
Wouldn't allowing MLB catchers to wear some type of earpiece to solve possible cheating and sign stealing? - Quora
Softball's play-calling wristbands signal change
Wristbands catching on with Section III softball teams