Robbie Guest named NCAA softball rules editor
Robbie Guest, a Division I umpire with 21 years of experience, will take over as the NCAA softball rules editor on September 1, 2027.

Robbie Guest, known for his extensive career as a Division I softball umpire, will be the new NCAA softball rules editor starting September 1, 2027. He will succeed Vickie Van Kleeck, who finishes her term on August 31, 2027.
Experience in Umpiring
Guest has had a distinguished career, umpiring in the Women's College World Series in 2023, 2024, and 2026. His postseason experience includes 11 regionals and eight super regionals in Division I. He has been a crew chief in major conferences, including the Southeastern, Atlantic Coast, and Big 12. Since 2022, he has participated in meetings of the NCAA softball rules committee as a representative of umpires.
Contributions to Rule Development
Guest has made significant contributions to the sport, being part of the editing team for the NCAA Softball Rules Book and the Case Book. He led the Mechanics Committee of the Softball Umpires Program for three years, during which the Four Umpire Mechanics System was developed. Additionally, he has mentored many umpires, serving as a presenter and instructor at national camps, clinics, and virtual training events.
Professional Career and Vision
Robbie Guest has worked as an avionics engineer for over three decades and has also umpired for five seasons in Athletes Unlimited Softball. Regarding his new position, Guest commented:
"Throughout my career, I have learned that trust is built through sound judgment and the fair and consistent application of rules. I look forward to this opportunity to serve as a leader, preserving the values that define NCAA softball while embracing the necessary changes to support its incredible growth. I am eager to work with coaches, athletes, administrators, media partners, and umpires to ensure that our rules are applied, interpreted, and understood clearly and consistently."
Guest assumes a crucial role at a time of significant growth for NCAA softball, aiming to enhance and clarify the application of rules for all stakeholders.
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Renata Quiroga
Betting Markets Correspondent
Renata Quiroga covers sports betting and prediction markets — sportsbook launches, odds technology, event contracts, and the regulatory calls that decide what can be bet on and where. The reports open with the product or the ruling, name operators and platforms precisely, and explain the mechanics without needless jargon. When a book enters a Latin American market or a prediction exchange lists a contested contract, Renata Quiroga reports what changes for the bettor.
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