Isidro Pérez
Isidro Pérez (May 24, 1964 – January 9, 2013) was a Mexican professional boxer in the Lightweight division. Pérez is a former two-time WBO Flyweight Champion. Professional career. In May 1986, Isidro won the Mexican National Light Flyweight Championship by beating veteran Jorge Cano. WBC Light Flyweight Championship. In his first World Championship attempt he lost a very disputed twelve-round decision to Jung-Koo Chang in Chungmu Gymnasium, Daejeon, South Korea. WBO Flyweight Championship. On August 18, 1990 Pérez won the WBO Flyweight Championship by upsetting Puerto Rico's Angel Rosario with a twelfth round T.K.O. in  Ponce, Puerto Rico. Death. Isidro Pérez was reported to have died in Mexico in January 2013, he was reported missing earlier. Perez's friends and family have not heard from him in months previous to reporting him missing and he has not cashed a pension check since September 2012. Date of death was not reported.