Sign of times: Major League Baseball gives OK to electronic pitch
Joe West wears armband to protest verbal attacks on umpires
MLB umpires wear wristbands to protest 'abusive' treatment
Major league umpires to protest 'escalating verbal attacks' on
MLB umpires wear wristbands to protest 'abusive' treatment
Referee Magazine - August 2022 by Referee Magazine - Issuu
MLB umpires wear white wristbands against player abuse
Chicago Tribune
Major league umpires wear wristbands to protest 'escalating verbal