Roger Mayweather KOs Benedicto Villablanca This Day August 17, 1983 and retains the super featherweight crown.
- Roger Mayweather 129½
- Benedicto Villablanca 129¼
- Showboat Hotel & Casino, Las Vegas
- KO 1/15
- time: 3:04
- referee: Roberto Ramirez Sr.
- Judges: | Guy Jutras | Luis M. Garcia | Luis J. Rodriguez
- WBA World Super Featherweight Title
Villablanca took a nine count and then the full count, it ending four seconds after the round.