The UFC 306 Ceremonial Weigh-in took place on Friday in Las Vegas.  After stepping off the scales, the main event fighters faced off ahead of Saturday’s event at the Sphere.   The event is headlined by a bantamweight title bout between champion Sean O’Malley and top contender Merab Dvalishvili . O’Malley was the first fighter to officially weigh in this morning coming in at 135 pounds. Dvalishvili tipped the scales at 134 pounds