Association of Minor League Umpires

Established in 1999, the Association of Minor League Umpires (AMLU) is a national labor union that represents professional baseball umpires working in Minor League and Major League Baseball throughout the United States and Canada.

The Association of Minor League Umpires (AMLU) was formed in 1999. AMLU is a national labor union that represents professional baseball umpires working in Minor League and Major League Baseball in the United States and Canada.

In 2010 AMLU members voted to affiliate with Office and Professional Employees International Union. OPEIU is a diverse white-collar and professional based union representing over 125,000 employees in various industries.

Could Major League Baseball See Its First-Ever Woman Umpire This Year? Jen Pawol Makes Spring Training Debut Saturday

How Much Are MLB Umpires Paid?, News, Scores, Highlights, Stats, and Rumors

Baseball: Little League umpires love the call

Association of Minor League Umpires

2014-2023 MiLB Umpire Rosters and All-Star Game Umpires

Minor League Umpires To Receive Significant Pay Raise In 2022 — College Baseball, MLB Draft, Prospects - Baseball America

American Association of Professional Baseball - FOUR AMERICAN ASSOCIATION UMPIRES EARN PROMOTIONS TO AFFILIATED BASEBALL

MiLB, Umpires Reach Five-Year Contract — College Baseball, MLB Draft, Prospects - Baseball America

MLB officially announces new rules, punishments for pitchers caught using foreign substances – KNBR

Association of Minor League Umpires

Female Minor League Umpire Jen Pawol Looks Headed for MLB - InsideHook

Minor League Umps Call a (Labor) Strike - In These Times

Close Call Sports & Umpire Ejection Fantasy League: Press Box Ejections: MiLB Umpire Mario Seneca Orders DJ Removed From Single-A Cubs Game

Links – Central Ohio Baseball Umpire Association

Grad walks away from pro umpire career to study law - University of Tennessee College of Law