MLB umpires remove white wristbands
MLB rule changes: Robo umps, shift banning, gambling are coming - Sports Illustrated
MLB umpires to wear wristbands in protest of 'escalating verbal attacks' from players
MLB umpires drop protest after agreeing to meet with Rob Manfred
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Alex Wood has solid start, but offense struggles
MLB umpires wear white wristbands against player abuse
Plate umpire Ron Kulpa hit in mask by foul ball, leaves game - ESPN
Sign of times: MLB gives OK to electronic pitch calling
MLB umpires wear wristbands to protest 'abusive' treatment
Umpire Whose Blown Call 'Gave' Kansas City the '85 Series Is Dead
MLB umpires wear white wristbands against player abuse
Catching up With: Don Shula