Key takeaways
Quinton Jackson beat Lyoto Machida by split decision after three rounds in the main event of UFC 123 at the Palace of Auburn Hills in Auburn Hills. In the co-main event, BJ Penn beat Matt Hughes by knockout after 21 seconds.
Across the eleven bouts that produced a result, four ended by knockout, three by submission and four on the judges' scorecards — seven stoppages in eleven fights. Two of the four decisions divided the judges.
The quickest finish belonged to BJ Penn, who stopped Matt Hughes after 21 seconds, and two of the seven finishes came inside the opening round. The longest was Edson Barboza's knockout of Mike Lullo, 10 minutes and 26 seconds in. End to end, the eleven fights filled one hour and 44 minutes of cage time.
The main card finished at the higher rate: six of nine, against one of the two below it. Brian Foster (submission, round two) all closed before the judges were needed.