At last, MLB umpires will communicate with fans about replay
New book fosters greater appreciation for plight of MLB umpires - Fish Stripes
MLB umpires just in Orioles spring training game proved not needed
Hot Mic Catches MLB Umpire's NSFW Reaction to Manager Challenge - Sports Illustrated
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MLB 2014: How Will Baseball's Instant Replay Work? - WSJ
Atlanta Braves: The MLB Replay System is Frustrating and a Waste of Time
MLB Umpires Will Now Have to Answer For Their Sins and Announce Replay Reviews NFL Style - Crossing Broad
Beyond the grunt: Umpires mic up, and baseball changes a bit
May 31, 1999: When umpire Frank Pulli spontaneously pioneered MLB replay review and took away a homer
Major League Baseball launches expanded replay era