592 Chris Guccione Umpire Stock Photos, High-Res Pictures, and
Confident umpires can improve baseball's pace issues
MLB doubles camera angles for video reviews by umpires - Newsday
MLB umpires to announce replay reviews to fans – Fox Sports 640
Baseball Replay Works—And It's Terrible
To The Fence Umpires At The Local Little League: Be Quiet & Watch
VIDEO: Rays Fan Was Ejected for Interference but Allowed to Return
One change you might see at a Reds game this season
MLB news: Umpires to use microphones to announce replay decisions
Beyond the grunt: Umpires mic up, and baseball changes a bit
Umpires to wear NFL style mics to communicate instant replay
MLB umpires in-park announcements replay review