On September 19, 1980, a 26-year-old Alfonso Zamora (33-4, 32 KOs) and Rigoberto Estrada met in the ring.
Zamora came in to the fight on a 1-fight win streak with a 86% KO rate, and was fighting after a gap of 2 months and 2 days.
Alfonso Zamora lost to Rigoberto Estrada via TKO in the 3rd round, and adds a loss to his record at 33-5.
On November 16, 1979, a 25-year-old Alfonso Zamora (32-3, 31 KOs) and Eddie Logan met in the ring.
Zamora came in to the fight on a 1-fight losing streak with a 88% KO rate, and was fighting after a gap of 3 months and 25 days.
Alfonso Zamora lost to Eddie Logan via TKO in the 7th round, and adds a loss to his record at 32-4.
On July 22, 1979, a 25-year-old Alfonso Zamora (32-2, 31 KOs) and Juan Alvarez met in the ring.
Zamora came in to the fight on a 3-fight win streak with a 91% KO rate, and was fighting after a gap of 6 months and 4 days.
Alfonso Zamora lost to Juan Alvarez via disqualification in the 10-round fight, and adds a loss to his record at 32-3.
On November 19, 1977, the 23-year-old WBA and The Ring bantamweight world champion, Alfonso Zamora (29-1, 29 KOs), faced Jorge Luján, in a title defense fight.
Zamora came in to the fight on a 1-fight losing streak with a 96% KO rate, and was fighting after a gap of 6 months and 27 days.
Alfonso Zamora was defending his bantamweight WBA and The Ring titles against Jorge Luján and lost via KO in the 10th round, and adds a loss to his record at 29-2.
On April 23, 1977, a 23-year-old Alfonso Zamora (29-0, 29 KOs) and a 25-year-old fellow Mexican boxer Carlos Zárate Serna (45-0, 44 KOs) met in the ring.
Zamora came in to the fight on a 29-fight win streak with a 100% KO rate, and was fighting after a gap of 2 months and 11 days. Zárate was on a 45-fight win streak with a 97% KO rate, and fighting after a layoff of 2 months and 18 days.
Carlos Zárate stopped Alfonso Zamora via TKO in the 4th round. Zárate improves his record to 46-0 (45 KOs), while Zamora adds a loss to his record at 29-1.