Perez (25-9 MMA, 7-5 UFC) was forced out of his Aug. 9 co-main event against Steve Erceg (12-4 MMA, 3-3 UFC) at the UFC Apex in Las Vegas. Perez confirmed the news on Instagram after an initial report from "The Fight Analyst" on X.

Knockout king Derrick Lewis extended his record by making quick work of Tallison Teixeira in the UFC on ESPN 70 main event.

UFC fighter Colby Covington weighs in on former President Barack Obama telling progressives to stop putting down men on 'The Will Cain Show.'

One heavyweight who has made a quick impact is Valter Walker. His third straight first-round UFC stoppage win – and third straight by heel hook, a new record – has him onto the chart for the first time and no doubt looking to make a fast climb. Check out all the latest moves in the USA TODAY Sports/MMA Junkie MMA rankings.