Key takeaways
Brock Lesnar beat Randy Couture by knockout at 3:07 of round two in the main event of UFC 91 at the MGM Grand Garden Arena in Las Vegas. In the co-main event, Kenny Florian beat Joe Stevenson by submission at 4:03 of round one.
Across the nine bouts that produced a result, three ended by knockout, five by submission and one on the judges' scorecards — eight stoppages in nine fights. Every decision was unanimous: not one result divided the judges.
The quickest finish belonged to Gabriel Gonzaga, who stopped Josh Hendricks at 1:01 of round one, and four of the eight finishes came inside the opening round. The longest was Mark Bocek's submission of Alvin Robinson, 13 minutes and 16 seconds in. End to end, the nine fights filled one hour and 4 minutes of cage time.