Sean O'Malley, Merab Dvalishvili headline UFC 306 at Sphere

(Photo credit: Craig Kidwell-Imagn Images)
UFC 306 commences Saturday night from Las Vegas, headlined by two title fights at the top of the one-and-done Sphere appearance for the promotion.

The main event will see Sean O'Malley (18-1) make the second defense of his bantamweight title when he faces surging No. 1 contender Merab Dvalishvili (17-4), who is currently riding a 10-fight winning streak dating back to September