Heavy metal legend and former Black Sabbath frontman Ozzy Osbourne will perform at Affliction Entertainment’s upcoming October event.

“Affliction: Day of Reckoning” takes place Oct. 11 at the Thomas & Mack Center in Las Vegas. A heavyweight bout between Andrei Arlovski and Josh Barnett headlines the event.

Osbourne had been rumored as a possible performer at Affliction’s debut event in May, but Megadeth was instead booked for the gig.

During that May 31 event in Aneheim, Calif., Megadeth performed during spots throughout the show, which included a set to lead off the pay-per-view portion of the broadcast. While the performance received mixed reviews with the at-home audience, the concert was a hit with the in-arena crowd.

Osbourne is one of many musicians under contract to Affliction Clothing. The recent reality-TV star has won multiple Grammy awards while selling nearly 100 million albums — with hits such as “Crazy Train,” “Mama, I’m Coming Home” and “Mr. Crowley” — throughout his four-decade career.