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.

Association of Minor League Umpires

Association of Minor League Umpires

Association of Minor League Umpires

About Us - Association of Minor League Umpires

Minor league umpires are getting better perks in their new CBA - Yahoo Sports

What's it like to be a minor league baseball umpire?

Minor League Umpire Instructors Minor League Baseball Umpire Training Academy

League baseball umpires, Minor League Baseball Umpire Development, umpires union reach agreement

Minor League Baseball Umpire Development, umpires union reach agreement

Hector Cuellar - Umpire - Minor League Baseball

An Overview and Brief History of the Minor Leagues - MN_ExPat's Blog - Twins Daily