: In a grueling, bloody co-main event, Paulo Costa defeated former champion Luke Rockhold. Rockhold, appearing visibly exhausted by the high altitude, announced his retirement shortly after the fight.
: This victory snapped Usman’s 15-fight UFC winning streak and made Edwards the first Jamaican-born champion in UFC history. UFC 278 Main Card Results UFC 278
: With just 56 seconds remaining in the final round, Edwards landed a "picture-perfect" left high kick that knocked Usman out cold. : In a grueling, bloody co-main event, Paulo