Photos: Mike Alvarado, Trey Lippe-Morrison, Mayer - Presser

Oklahoma City – The fighters sat on a podium atop the floor where the NBA's Oklahoma City Thunder play, discussing Saturday's ESPN-televised card (9 p.m. ET) at the Chesapeake Energy Arena. (photos by Mikey Williams).

The biggest card to hit The Sooner State in years will feature a local product, Oklahoma City native Alex "El Cholo" Saucedo (27-0, 17 KOs) against Lenny Zappavigna (37-3, 27 KOs) in 10-round junior welterweight bout.

The ESPN main event will see WBO super middleweight champion Gilberto "Zurdo" Ramirez (37-0, 25 KOs) defending his title against Alexis Angulo (23-0, 20 KOs).

Also featured on the ESPN telecast will be 2016 Olympic gold medalist, Robson Conceicao (7-0, 4 KOs), in a six-round super featherweight bout against Gavino Guaman (5-2, 1 KO).

The undercard will stream on ESPN+ (6:15 p.m. ET) and include the resurgent Mike Alvarado, female fighting sensation Mikaela Mayer, heavyweight knockout artist, and Oklahoma native Trey Lippe Morrison, and the pro debut of top amateur Christopher Zavala.