The fastest knockout in the history of the tournament Shamrock FC 313 was made by American fighter Shane McKay. He turned off his rival Joshua Taylor four seconds after the start of the first round.
McKay hit his rival right after the welcome touch, and that was enough to win. At the same tournament another short-term duel took place, which lasted 9 seconds. Jacob Thrall beat Dillon Tolbert by a technical knockout.
Shane McKay earns the fastest KO in @Shamrock_FC history in an UNBELIEVABLE 4 seconds. My God... #ShamrockFC313 @FloCombat pic.twitter.com/1gGSNvsr47
— Shamrock FC (@Shamrock_FC) December 9, 2018