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2021 CWS Umpires
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Sportsmanship. Courage. Integrity.
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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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Week Long Camps & Weekend Clinics
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More than 300 Umpires Trained Annually
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Announcing! 2021 MAC-UCU Fall clinics!

The MAC Online Classroom

Prior to our Showcase events, we are offering a unique umpire development event presenting classroom instruction online – covering mechanics and insights for the 3-man umpire system. Specific topics, as well as special guests, are being planned.

The Cortland Clinic | Sept 24-26

An umpire development opportunity for umpires looking to advance to NCAA Division I or umpires wanting to advance to NCAA Division II or Division III post-season. Put yourself on the path to officiate higher-level baseball.

The Big Showcase

Four weekends are available for umpires to “showcase” their skills. This unique umpire development event combines classroom instruction (virtual) with live game evaluations. Designed for umpires wanting to break into college baseball.

The Peach State Clinic | Sept 29-Oct 3

This clinic is advanced instruction and teaching, emphasizing developing the individual umpire’s skills, improving muscle memory, and creating a passion for continued learning on how to become the best at this unique craft. #BeABetterUmpire

John Instructs at 4man Workshop

MAC-UCU Four-Man Weekend Clinic (Invitation Only)

It is back! Plans and details are being worked on for the popular four-man weekend clinic. Information is being developed; special instructors are being contacted and confirmed. Once all plans are in place, we will send invitations.

Location and dates still need to be nailed down. However, we are looking at a weekend in late October or early November. Stay tuned! More information to come.

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 2022 NCAA Division I Baseball Season









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