- Name: John Kolosci
- Pro MMA Record: 15-9-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 1 Loss
- Age: 44 | Date of Birth: 1974.11.26
- Last Fight: December 02, 2011 in XFC
- Weight Class: Middleweight | Last Weigh-In: 178.5 lbs
- Affiliation: Gilbert Grappling
- Height: 5'11" (181cm) | Reach: 72.0" (183cm)
- Career Disclosed Earnings: $8,000 USD
- Born: United States
- Fighting out of: Portage, Indiana
Regional Rankings Rankings FAQ
John Kolosci is ineligible for regional rankings due to inactivity.
Fighters must have at least one completed MMA bout in the past two years to be ranked.