Sean King III a 'full-time UFC fighter' after bonus-winning KO at Noche UFC

Sean King III made a successful UFC debut at Noche UFC, scoring a 36-second slam knockout victory over Jessie Rosas (8-2 MMA, 0-1 UFC) to improve his record to 7-0 MMA and 1-0 UFC. The performance earned King a post-fight bonus, prompting him to declare himself a 'full-time UFC fighter.' The fight took place at UFC Fight Night on Saturday, September 13, 2026.