Attention! Next Membership Meeting is September 14 at 7:00 pm on Zoom!

Welcome

You have reached the MAC-NVBUA association member website. We attempt to provide information and resources to assist our members in having a great member experience and umpiring.

Our umpires serve the greater Washington, DC, metropolitan area, including youth baseball, scholastic baseball, and adult recreation. Our assigning group also provides opportunities in college-level baseball.

To learn more about the life of our association, read our current or back issues of Blue Crew News, our membership online newsletter. If you have any questions about the association, please use our contact form to submit a question or comment.

Our Most Recent Issues

Blue Crew News

BCN: 2025 Issue 13

Editor's Message This edition of Blue Crews News is a bevy of very relevant and interesting information for you to enjoy while the summer season winds down! There are so many umpires within our association that not only do great work for us, but they also do some...

BCN: 2025 Issue 12

Editor's Message With a nod to the Scottish-American naturalist, John Muir, the Pacific Northwest was calling, and I needed to go! And now, I am returned, renewed and refreshed. Special thank you to Michael Chmar who held it down for me (and YOU, dear readers…) as he...

BCN: 2025 Issue 11

Editor's Message Welcome to the June 23rd issue of The Blue Crews News! Robert’s on vacation with his family this week, so I’m subbing in to make sure we get this edition out to all of you! In this edition, we start with Mr. Maher’s presidential message. He’s wrapping...

Recent Online Meetings & Presentations

On Demand Video

Need Umpire Equipment?

Check out “Adamczyk’s Attic.” Ron Admaczyk has compiled a great list of options to meet your umpire equipment and uniform needs.

Calendar

Association Meetings
  • Monday, Sept 14 - Virtual - 7:00 pm
Save the Date
  • Saturday, December 6 - 2025 Association Banquet, Vienna Legion Post 180, 330 Center Street N, Vienna, VA – 7:00 pm