A must-see light heavyweight title rematch tops the marquee on Saturday in a UFC 320 pay-per-view event from T-Mobile Arena in Las Vegas.

Magomed Ankalaev makes the first defense of his 205-pound title in the main event as he welcomes Alex Pereira in an immediate rematch just six months after Ankalaev scored a unanimous decision to take the belt .

UFC 320's co-main event is a fight fans have wanted for a long time. UFC bantamweight champion Merab Dvalishvili is on a dominant run after beating Sean O'Malley (twice) and Umar Nurmagomedov. Dvalishvili can extend his record for the longest bantamweight win streak by fending off his next challenger. Cory Sandhagen has long been tabbed as a future champion. After repeatedly falling just short of a breakout, "The Sandman" finally gets his

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