MLB umpires in-park announcements replay review
First base umpire Lew Williams has 3 calls overturned in Nationals-Phillies game - Newsday
Two wrongs trying to make a right – makeup calls are common for MLB umpires, financial analysts and probably you
MLB Umpires Will Now Have to Answer For Their Sins and Announce Replay Reviews NFL Style - Crossing Broad
Chart: Which MLB umpires performed the worst in replay reviews? – The Denver Post
MLB umpires may soon take to mic to explain replays – The Denver Post
Major Leagues approves expanded replays for this season
Baseball replay: Major League Baseball's new system ensures that bad calls will still get made for absolutely no reason.
Instant replay for balls and strikes
Inside MLB's replay room
MLB Rumors: Ted Barrett & Greg Gibson Among 10 Umpires Retiring
MLB's Replay System Is Now A Huge Money-Maker For The Owners