UFC 320 took place last Saturday at T-Mobile Arena in Las Vegas. The fight card was headlined by a light heavyweight championship rematch between then-champion  Magomed Ankalaev  and former titleholder Alex Pereira . Pereira won back the 205-pound championship by knocking Ankalaev out in just 80 seconds.  In the co-main event, bantamweight champion  Merab Dvalishvili put on a clinic against challenger  Cory Sandhagen .