MLB umpires will have a new view this season -- on Zoom National News - Bally Sports
As They See 'Em: A Fan's Travels in the Land of Umpires: Weber, Bruce: 9780743294119: : Books
MLB unveils new replay technology and marketing approach
Take me into the ballgame: how Zoom and MLB™ put fans in the action with Zoom Contact Center
As They See 'Em: A Fan's Travels in the Land of Umpires: Weber, Bruce: 9780743294119: : Books
Why become a high school baseball umpire? You've got a game - Los Angeles Times
MLB doubles camera angles for video reviews of umpires
Another new MLB rule? Get ready for replay on speed dial. Some managers are wary - The Athletic
MLB doubles camera angles for umpire video reviews - ESPN