WBC super bantamweight champion Yamileth Mercado has been added to the show in Mexico on which Julio César Chávez, Sr. and Jorge Arce will box in an exhibition. Scheduled for September 25th in Tijuana, Mercado (15-2) will compete ina non-title fight against local boxer Dayanna González (6-3-1) in an eight-round match. In her most recent bout, Mercado defeated Fatuma Zarika by unanimous decision to become champion. González last fought in February, a draw against Annette Pabello, who has a losing record. On the same show, Julio César Chávez, Jr. will face undefeated Sinaloan Mario Cázares in a light heavyweight ten-round bout.