Professional Grappling Federation
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Colorado Wolverines

Colorado

Owned by David Segraves, a Lieutenant Colonel and Judge Advocate in the U.S. Marine Corps, the Wolverines bring strategic leadership and relentless intensity to the PGF. Anchored by Colorado natives Caleb Crump and Jonathan Wilson, this franchise is built to compete from day one.

Rocky Mountain grit meets championship ambition in PGF Season 9.

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Caleb Crump
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Caleb Crump

High-frequency submission specialist known for a relentless pace that personifies PGF's win-or-die ethos.

Jonathan Wilson
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Jonathan Wilson

Known as 'Officer Grimy,' Wilson brings veteran composure and a suffocating tactical style proven under PGF's unique ruleset.

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Jan 22, 2026

Colorado Wolverines complete PGF's 2026 expansion

David Segraves acquires the fourth and final franchise slot for Season 9, bringing military leadership to the ownership circle.

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