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MAC-UCU Camps & Clinics
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Preparing Umpires for High-Level College Baseball
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Umpire Development Programs for 2, 3, and 4-Man Mechanics
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Managing More Than 45 Collegiate-Level Programs
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Sportsmanship. Courage. Integrity.
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Week Long Camps & Weekend Clinics
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More than 300 Umpires Trained Annually
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Incredible Indy Umpire Clinics

2-Umpire Clinic – June 14-18 | 3-Umpire Clinic – July 5-9

Worcester 3-Umpire Clinic

June 20-25 | Worcester State University

Virtual Mechanic Event

Helping People is an Easy Call!

Did you miss the live event? You can still experience this great event. Register and make a minimum donation of $25 to UMPS CARE Charities. You’ll receive a special code to access the “Extra Innings” replay! Help UMPS CARE to bring more smiles and baseball magic to kids and families!

Who We Are

Mid-Atlantic Collegiate Umpires is a premier NCAA collegiate association of baseball umpires.

MAC Umpires

Umpire Development

The most advanced umpire training camps for non-professional umpires in the country.


Criteria to Be Assigned

To be assigned by MAC, umpires must comply with NCAA Post-Season certification criteria.

Countdown to the 2023 NCAA Division I College World Series









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