In the headliner, bantamweight champion champion Merab Dvalishvili (19-4 MMA, 12-2 UFC) takes on challenger and ex-champ Sean O'Malley (18-2 MMA, 10-2 UFC) in a rematch. In the co-feature, women's bantamweight titleholder Julianna Peña (13-5 MMA,

Kayla Harrison challenges Julianna Pena at UFC 316, aiming to revive the women’s bantamweight division and spark new excitement.

Kayla Harrison has yet to officially hit 135 pounds on the UFC scale — which she’ll have to do in order to be eligible to win the women’s bantamweight title this Saturday. The longtime face of PFL fights for UFC gold for the first time when she challenges Julianna Pena in the co-main event of UFC 316.

Defending her UFC women’s bantamweight belt for the second time, Spokane native Julianna Peña faces off against two-time Olympic judo champion Kayla Harrison on Saturday.

Explore how Sean O’Malley and Kayla Harrison as UFC champions could impact the promotion’s billion-dollar media negotiations.

The Giants are a ways off from returning to championship glory. Perhaps Julianna Peña showed them a thing or two about climbing back to the top.

Before Ronda Rousey made her UFC debut, promotional boss Dana White declared that women would never fight in the octagon. She changed all of that, and over a decade later the likes of Kayla Harrison are headline attractions in world title pay-per-view bouts.