Umpires are apparently protesting 'escalating verbal attacks' with white wristbands
MLB umpires wear white wristbands against player abuse
Umpire Angel Hernandez in ALDS Game 4 spotlight - The Boston Globe
Major league umpires wear wristbands to protest 'escalating verbal attacks' from players
Chris paul before game hi-res stock photography and images - Alamy
Atlanta Braves News: Brandon Phillips still mum on third base move - Battery Power
MLB umpires wear wristbands to protest 'abusive' treatment
Name any situation, and Chris Rusin pitched in it: long relief, middle relief, set-up, closing Rusin did it all, and did it well, finis…
Toronto - Baseball Prospectus
Ian Kinsler Reportedly Fined $10,000 over Critical Angel Hernandez Comments, News, Scores, Highlights, Stats, and Rumors
Sorting through the umpire controversy - Beyond the Box Score
Chris paul before game hi-res stock photography and images - Alamy