Achievements He is a former WBC Continental Americas Light Flyweight, WBO NABO Light Flyweight, and the IBF Minimumweight Champion. In December 2000, Edgar won the WBO NABO Light Flyweight Championship with a seventh round T.K.O. of veteran Alfredo Virgen. On May 31, 2003 Cárdenas won the IBF Minimumweight Championship by upsetting an undefeated Miguel Barrera, Miguel would never fight again.