Opinion: High school, youth games with one or no umpires now a reality
Youth baseball league pilots novel way to avoid umpire abuse
MLB umpire invites youth baseball umpire to Coors Field after a brawl at a game the boy officiated in Lakewood
VIDEO: Abilene youth baseball league coach shoves umpire during a game
Jersey Shore schools can't find refs and umpires, blame fan abuse
Local baseball little leagues react after anger directed toward umpires across the country
Why Did the Umpire Quit Little League? Nasty Parents - WSJ
Little league district 22
In this youth baseball league, fans who mistreat umpires are sentenced to do the job themselves
90+ Volunteer Umpires Earn Prestigious 2019 Little League® World Series Assignments - Little League
Slate - What They Teach You at Umpire School
Prose and Kohn: Little League umpires keep youth baseball turning
Little League officials devise clever strategy to prevent umpire abuse during games: “They don't need that
Angry players, cranky fans: The life of a minor league umpire