Key takeaways
Leon Edwards beat Kamaru Usman by knockout at 4:04 of round five in the main event of UFC 278 at the Delta Center in Salt Lake City. Kamaru Usman had come in as the division's No. 9. In the co-main event, Paulo Costa beat Luke Rockhold by unanimous decision after three rounds.
Across the eleven bouts that produced a result, four ended by knockout, one by submission and six on the judges' scorecards — five stoppages in eleven fights. One of the six decisions divided the judges.
The quickest finish belonged to Tyson Pedro, who stopped Harry Hunsucker at 1:05 of round one, and three of the five finishes came inside the opening round. The longest was Leon Edwards's knockout of Kamaru Usman, 24 minutes and 4 seconds in. End to end, the eleven fights filled two hours and 12 minutes of cage time.
The main card finished at the higher rate: three of five, against two of the six below it. Amir Albazi (submission, round one) and Victor Altamirano (knockout, round one) all closed before the judges were needed.
Five ranked fighters appeared, and two of them were in the top two bouts.
