Commentary: Major-league ump Ed Rapuano backs Pope John Paul II
MLB umpire job responsibilities
Observations of Umpires at Work – Society for American Baseball
MLB: Umpire Hernandez blew calls, losing World Series job
The Average Umpire Is Almost 50. The Best Ones Might Be in Their
The story of Canada's lone MLB umpire: From Saskatchewan to The Show
Why are there still umpires in Major League Baseball? Why can't it
2021 MLB Umpire Power Rankings: Second Third of the Season
How Much Does An MLB Umpire Make?
Beyond the Strike Zone: Exploring the Vital Role of Umpires in a
As MLB moves toward using 'robot umpire,' getting strike/ball