Official Home of the GMB Umpire Association.

The Best Umpires
For The Best Tournaments In Town!

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Come Officiate With GMB!

You know you are an excellent umpire.

That is exactly what we are looking for at GMB. It’s what our teams, coaches and fans have come to expect from The Best Tournaments in Town.

Registering with the GMB Umpire Association offers a great way to enjoy the sport we all love while remaining active and supplementing your income. It’s free to register and become a member of the GMB tournament network. Play Ball! With GMB!

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