One of the most remarkable runs in UFC history continues, but after much more difficulty than expected. Alex Pereira methodically broke down a game Khalil Rountree Jr. and used a bruising sequence of body punches to retain his light heavyweight championship with a fourth-round stoppage Saturday night in the main event of UFC 307 at the Delta Center in Salt Lake City.

Alex Pereira picked up his fourth UFC title fight win in 11 months by stopping Khalil Rountree in the UFC 307 main event.

It's fight night in Salt Lake City with UFC 307 on tap and the stakes couldn't be higher. Alex Pereira, the light heavyweight champion known for his devastating knockout power, defends his title against underdog Khalil Rountree Jr.