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. 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