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 an 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 an 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 an 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 an 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.