Bellator’s lone event of the month went down Friday with Bellator 297 at Wintrust Arena in Chicago, and it was arguably the promotion’s biggest show of the year thus far. Two championship bouts topped the card, and both men who entered the cage with belts, lefts with them, too. Vadim Nemkov (16-2 MMA, 9-0 BMMA) handily defeated Yoel Romero (15-7 MMA, 2-2 BMMA) by unanimous decision in the headliner to retain the light heavyweight strap, while Sergio Pettis (23-5 MMA, 5-0 BMMA) kept hold of bantamweight gold with a unanimous decision over Patricio Freire (35-6 MMA, 22-6 BMMA).