Greater Manassas Baseball League is a 501(c)3 non-profit organization. Your tax deductible donations go directly to registering children who could not otherwise afford to play, equipment, and other worthwhile items.

Managers
This form should be completed within 48 hours of each game’s completion.  This information will assist GMBL to reconcile the umpire billing statements.  It will also help GMBL identify areas where our umpires may need additional training or guidance.