He made his UFC debut unexpectedly and knocked out his opponent in 36 seconds: the shocking scene

Sean King III made an unexpected debut in the UFC at UFC Fight Night 288, held at the Desert Diamond Arena in Glendale, Arizona. Facing Mexican fighter Jessie Rosas, King secured a victory via knockout in just 36 seconds of the first round.

The swift finish places the bout's outcome as the fifth-fastest knockout in the history of the organization.