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 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...
BCN: 2025 Issue 10
Before I begin, I was just handed an urgent bulletin from the BCN Update Desk…VHSL First Round State games will be Tuesday, June 10th at Madison HS, West Springfield HS, Heritage HS, Independence HS and Gainesville HS. Umpire assignments have not yet been finalized.
Recent Online Meetings & Presentations
On Demand Video
MACNV Association Meeting: May 18, 2025
Replay of the MAC-NV Association Meeting via Zoom on Sunday, May 18, 2025
Rules Presentation: Pitching
Rules Presentation on NFHS Pitching Rules pre-recorded by Greg McEvoy in May, 2025.
Rules Presentation: Obstruction & Interference
Replay of the Rules Presentation on Obstruction & Interference by Greg McEvoy held via Zoom on Sunday, April 27, 2025.
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
- Thursday, July 17 – Umpire Night @ Capital One Ballpark, Tysons VA
- Saturday, December 6 - 2025 Association Banquet, Vienna Legion Post 180, 330 Center Street N, Vienna, VA – 7:00 pm