John Kolosci is a 51-year-old mixed martial artist from United States with a professional record of 15-9-0.
Standing 5ft 11in tall, John Kolosci competes in the Welterweight division.
John Kolosci has 15 wins, 9 losses, and 0 draws in their professional career. Their wins include 4 knockouts/TKOs, 4 submissions, and 7 decisions.
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