Key takeaways
Vitor Belfort beat Randy Couture by knockout after 49 seconds in the main event of UFC 46 at the Mandalay Bay Events Center in Las Vegas. In the co-main event, Renato Verissimo beat Carlos Newton by unanimous decision after three rounds.
Across the eight bouts that produced a result, two ended by knockout, two by submission and four on the judges' scorecards — four stoppages in eight fights. One of the four decisions divided the judges.
The quickest finish belonged to Vitor Belfort, who stopped Randy Couture after 49 seconds, and three of the four finishes came inside the opening round. The longest was Frank Mir's knockout of Wes Sims, 9 minutes and 21 seconds in. End to end, the eight fights filled one hour and 17 minutes of cage time.