MLB unveils new replay technology and marketing approach - The San Diego Union-Tribune
Why become a high school baseball umpire? You've got a game - Los Angeles Times
Umpires feel the impact of canceled college baseball season
MLB doubles camera angles for video reviews of umpires
MLB umpires will have a new view this season — on Zoom
2023 MLB Umpire Crew List & Call-Up Umpires - Opening Day Update
Apple TV+ baseball fans will get live looks into bad call appeals
MLB announces World Series umpires - True Blue LA
The Matheny Manifesto: A Young Manager's Old-School Views on Success in Sports and Life: Matheny, Mike, Jenkins, Jerry B., Costas, Bob: 9780553446692: : Books
2022 Palm Springs Pro Umpire Camp
ACC Uses All Black Umpires For First Time During UNC-Virginia Baseball Series
MLB replay umps will deliver their calls over Zoom - The Verge
MLB umpires will have a new view this season -- on Zoom - NBC Sports
MLB doubles camera angles for video reviews of umpires