The UFC's middleweight division takes center stage for the fourth time this year, as Marvin Vettori and Roman Dolidze square off in the main event at UFC Fight Night on Saturday at the UFC Apex in Las Vegas ( 7 p.m. ET on ESPN+, with prelim at 4 p.m. on ESPN+ ).

Molly McCann will be going up against a Brazilian strawweight at UFC Fight Night 255, but it won't be Istela Nunes. With Nunes out, in steps Alexia Thainara, a Dana White's Contender Series signee and promotional debutant.

MMA Knockout has you covered with full predictions for every matchup at UFC Fight Night: Marvin Vettori vs. Roman Dolidze 2.