For Volunteer Umpires, Little League World Series in the Pinnacle - The New York Times
MLB Fans Threaten to Boycott Over 'Robot Umpires'—'Will Ruin the Game
Home-Plate Umpires Have Favored Twins Opponents in 2023 Playoffs - Twins - Twins Daily
MLB umpire Dale Scott: 'I wasn't intimidated by threats to out me as gay', MLB
My Subculture: Umpiring. A Brief History Lesson, by Eric Milliron
Umpires
Joe West to retire as MLB umpire - The Washington Post
MLB umpire shares his opinion of new rules: Ken Rosenthal's conversation with Dan Bellino - The Athletic
Robot Umpires Strike Zone: It's Not as Simple as You ThinkBaseball Prospectus
Baseball umpire : Career Outlook: U.S. Bureau of Labor Statistics
Two wrongs trying to make a right – makeup calls are common for MLB umpires, financial analysts and probably you
Upon further review
Change in gear was a strike for consistent umpiring
How to become an NFL referee? Start early.
So You Say You Want Games?