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80 8th Ave
New York, NY, 10011
United States

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.



Keeping up to date on all things involving the Association of Minor League Umpires


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New AMLU Website

Secretary AMLU

To better serve the membership, a new AMLU Website has been created. Please take a moment to visit the site and see the different pages available. Newly created is the AMLU News page. This is an area that will keep you up to date on AMLU activities and events. Also, there is a AMLU members only area. In this area, you will find the AMLU Collective Bargaining Agreement, Discounts, and other information added regularly.

If you didn't receive the email notifying you of this change, please sign up for the AMLU Newsletter below to stay up to date on all things AMLU!