Mattia Fonda and Zion Tomlinson Battle in Bare Knuckle Combat in the Mighty Trigon

Watch the latest fight videos of BYB Extreme Bare Knuckle Fighting Series in the US.

BYB Extreme Bare Knuckle Fighting Series returned to Rock Hill on May 13, 2023 for BYB 17 Brawl at Rock Hill. In a matchup of tough, battle-tested cruiserweights, BYB vet Mattia “The Italian Knuckles” Fonda took on Trigon newcomer Zion Tomlinson.

Originating in South Florida with backyard legend Dada 5000, whose backyard fights gained worldwide popularity online, BYB was founded to harness the excitement of bare knuckle into a more structured product for a wider, more mainstream audience. Since 2015, BYB has worked diligently to grow the reach of bare knuckle on both a domestic and international level, hosting events in Wyoming, Mississippi, Florida, South Carolina, London, and Dubai, and is continuing to work with athletic commissions throughout the United States globally to expand the fanbase growing sport of bare knuckle. For more information on BYB, visit and follow @bybextreme on social.

Author: Staff

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