Marlborough's Jim Reynolds calls it a career after 24 years as an MLB umpire - The Boston Globe
What would happen if a baseball game went 50 innings? - ESPN
The Average Umpire Is Almost 50. The Best Ones Might Be in Their 30s. - WSJ
The ESPN Daily podcast -- How to listen, episode guide and more - ESPN
Angels implode in eight-run second inning, can't come back in 8-5 loss to Padres - Los Angeles Times
Baseball Umpires Aren't Perfect, OK? : 13.7: Cosmos And Culture : NPR
If you started umpiring baseball in your mid 30s, could you make it to AAA or the MLB as an umpire? - Quora
December 2022 Issue by Santa Clara High School's The Roar - Issuu
MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today
Tony Gwynn: 60 things to know on what would have been his 60th birthday - The San Diego Union-Tribune
The Average Umpire Is Almost 50. The Best Ones Might Be in Their 30s. - WSJ
Cập nhật hơn 72 MLB umpire equipment hay nhất - trieuson5
What baseballs are used in MLB? - Quora