[PAR] [TLE] Ricardo López (boxer) [SEP] Ricardo “El Finito” López Nava (born July 25, 1966) is a retired undefeated Mexican professional boxer.  As a professional, he defended the Lineal and WBC Strawweight Championship a record 21 times.  He also won the WBA and WBO Championships in the same weight class.  López later won the IBF Light Flyweight Championship and defended it twice before retiring.  He is also the father of undefeated flyweight prospect Alonso López. [PAR] [TLE] Alonso López [SEP] Alonso López (born May 28, 1986 in Mexico City) is an undefeated Mexican professional boxer in the Flyweight division.  He was born in Mexico City, Distrito Federal, Mexico.  He is the son of former World Boxing Champion, Mexican Ricardo López.
[PAR] [TLE] Ricardo López ( boxer ) [ SEP ] Ricardo “ El Finito ” López Nava ( born July 25 , 1966 ) is a retired undefeated Mexican professional boxer . As a professional , he defended the Lineal and WBC Strawweight Championship a record 21 times . He also won the WBA and WBO Championships in the same weight class . López later won the IBF Light Flyweight Championship and defended it twice before retiring . He is also the father of undefeated flyweight prospect Alonso López . [PAR] [TLE] Alonso López [ SEP ] Alonso López ( born May 28 , 1986 in Mexico City ) is an undefeated Mexican professional boxer in the Flyweight division . He was born in Mexico City , Distrito Federal , Mexico . He is the son of former World Boxing Champion , Mexican Ricardo López .
The father of Alonso López defended what title twice before retiring?
The father of Alonso López defended what title twice before retiring ?
IBF Light Flyweight Championship
IBF Light Flyweight Championship