Key takeaways
Alex Pereira beat Khalil Rountree Jr. by knockout at 4:32 of round four in the main event of UFC 307 at the Delta Center in Salt Lake City. Khalil Rountree Jr. had come in as the division's No. 5. In the co-main event, Julianna Pena beat Raquel Pennington, the division's No. 2, by split decision after five rounds at women's bantamweight.
Across the twelve bouts that produced a result, three ended by knockout, two by submission and seven on the judges' scorecards — five stoppages in twelve fights. Four of the seven decisions divided the judges.
The quickest finish belonged to Ryan Spann, who stopped Ovince Saint Preux at 1:35 of round one, and three of the five finishes came inside the opening round. The longest was Alex Pereira's knockout of Khalil Rountree Jr., 19 minutes and 32 seconds in. End to end, the twelve fights filled two hours and 37 minutes of cage time.
The preliminary card out-finished the main card: three of its seven results came early, against two of the five above it. Joaquin Buckley (knockout, round three), Ryan Spann (submission, round one) and Court McGee (submission, round one) all closed before the judges were needed.
Eight ranked fighters appeared, and four of them were in the top two bouts, among them champion Kayla Harrison.
Seven weight classes were used, light heavyweight most often with two bouts.
