Photos: Cruz-Ramirez, Mares-Flores, Valenzuela-De Los Santos - Face-Offs at Final Presser

Former unified heavyweight world champion Andy “The Destroyer” Ruiz Jr. and hard-hitting top contender Luis “King Kong” Ortiz went face-to-face at the final press conference Thursday before they meet in the ring this Sunday, September 4 headlining a FOX Sports PBC Pay-Per-View from Crypto.com Arena in Los Angeles. (photos by Stephanie Trapp)

The press conference also featured fighters competing on the stacked four-fight pay-per-view undercard beginning at 9 p.m. ET/6 p.m. PT. In the co-main event, top lightweight contender Isaac “Pitbull” Cruz battles Eduardo Ramirez in a WBC Lightweight Title Eliminator.

Plus former three-division world champion Abner Mares makes his ring return against Miguel Flores in a 10-round attraction, while unbeaten rising star Jose Valenzuela duels Edwin De Los Santos in the 10-round telecast opener.