LAS VEGAS (AP) — To even be mentioned in the same breath as Jon Jones, considered by many observers the greatest UFC fighter ever, is a feat in itself.

Magomed Ankalaev has spent more than seven years putting himself in that conversation because that's the last time he left the octagon a loser.

His 14-match unbeaten streak is the second-longest in his weight class behind Jones' 18, and Ankalaev can further carve out his place in the sport's history when he defends his light heayweight belt Saturday night in a rematch with top-ranked challenger Alex Pereira at UFC 320.

In the co-main event, bantamweight champion Merab Dvalishvili (20-4) of the country of Georgia takes on fourth-ranked challenger Cory Sandhagen (18-5) of Aurora, Colorado.

Ankalaev (21-1-1) suffered his only UFC loss when

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