Las Vegas, Nevada, Oct. 5 -- Alex Pereira reclaimed the UFC light heavyweight title with a thunderous first-round knockout over Magomed Ankalaev during the main event of UFC 320 at T-Mobile Arena, stunning the crowd with a finish that lasted just 1 minute and 20 seconds.

The 38-year-old Brazilian, nicknamed Poatan, came into the bout seeking redemption for his unanimous decision loss to Ankalaev at UFC 313 in March - a fight he later said he entered at "only 40 percent." This time, Pereira was faster, sharper, and ruthlessly efficient.

From the opening seconds, Pereira pressed forward, cutting off Ankalaev's movement and landing surgical strikes. A brutal left hook followed by a crushing right hand ended the fight instantly, sending Ank...