On May 31, 1975, the 23-year-old WBA featherweight world champion, Alexis Argüello (38-4, 31 KOs), faced Rigoberto Riasco, in a title defense fight.
Argüello came in to the fight on a 7-fight win streak with a 73% KO rate, and was fighting after a gap of 2 months and 16 days.
Alexis Argüello made very easy work of Rigoberto Riasco, stopping the challenger via TKO in the 2nd. Argüello improves his record to 39-4 (32 KOs)
On June 20, 1981, a 29-year-old Alexis Argüello (66-5, 54 KOs) got a shot at the WBC and The Ring lightweight titles held by 32-year-old Scottish boxer Jim Watt (38-7, 27 KOs).
Argüello came in to the fight on a 10-fight win streak with a 76% KO rate, and was fighting after a gap of 4 months and 13 days. Watt was on a 12-fight win streak with a 60% KO rate, and fighting after a layoff of 7 months and 19 days.
Alexis Argüello defeated Jim Watt via unanimous decision and wins the WBC and The Ring titles. Argüello improves his record to 67-5, while Watt adds a loss to his record at 38-8.
On April 27, 1980, the 28-year-old WBC super-featherweight world champion, Alexis Argüello (62-5, 51 KOs), faced a 23-year-old Filipino boxer Rolando Navarrete (36-6-3, 19 KOs), in a title defense fight.
Argüello came in to the fight on a 6-fight win streak with a 76% KO rate, and was fighting after a gap of 27 days. Navarrete was on a 7-fight win streak with a 42% KO rate, and fighting after a layoff of 26 days.
The challenger refused to continue the fight in the 4th round, and Alexis Argüello is crowned the new super-featherweight world champion. Argüello improves his record to 63-5 (52 KOs), while Navarrete adds a loss to his record at 36-7-3.
On May 22, 1982, the 30-year-old WBC and The Ring lightweight world champion, Alexis Argüello (70-5, 57 KOs), faced Andrew Ganigan, in a title defense fight.
Argüello came in to the fight on a 14-fight win streak with a 76% KO rate, and was fighting after a gap of 3 months and 9 days.
Alexis Argüello stopped Andrew Ganigan via KO in the 5th round of the 15-round world-title fight, and successfully defended his WBC and The Ring lightweight titles. Argüello improves his record to 71-5 (58 KOs)
On October 12, 1975, the 23-year-old WBA and The Ring featherweight world champion, Alexis Argüello (40-4, 33 KOs), faced Royal Kobayashi, in a title defense fight.
Argüello came in to the fight on a 9-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 24 days.
Alexis Argüello stopped Royal Kobayashi via KO in the 5th round of the 15-round world-title fight, and successfully defended his WBA and The Ring featherweight titles. Argüello improves his record to 41-4 (34 KOs)
On June 3, 1978, the 26-year-old WBC super-featherweight world champion, Alexis Argüello (55-4, 46 KOs), faced Diego Alcala, in a title defense fight.
Argüello came in to the fight on a 24-fight win streak with a 78% KO rate, and was fighting after a gap of 1 month and 5 days.
Alexis Argüello made quick work of Diego Alcala, stopping the challenger via KO in the 1st. Argüello improves his record to 56-4 (47 KOs)
On February 13, 1982, the 29-year-old WBC and The Ring lightweight world champion, Alexis Argüello (69-5, 56 KOs), faced James Busceme, in a title defense fight.
Argüello came in to the fight on a 13-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 23 days.
Alexis Argüello stopped James Busceme via TKO in the 6th round of the 15-round world-title fight, and successfully defended his WBC and The Ring lightweight titles. Argüello improves his record to 70-5 (57 KOs)
On November 16, 1979, the 27-year-old WBC super-featherweight world champion, Alexis Argüello (59-5, 49 KOs), faced a 27-year-old American boxer Bobby Chacon (42-4-1, 36 KOs), in a title defense fight.
Argüello came in to the fight on a 3-fight win streak with a 76% KO rate, and was fighting after a gap of 4 months and 8 days. Chacon was on a 1-fight win streak with a 76% KO rate, and fighting after a layoff of 4 months and 29 days.
The challenger refused to continue the fight in the 7th round, and Alexis Argüello is crowned the new super-featherweight world champion. Argüello improves his record to 60-5 (50 KOs), while Chacon adds a loss to his record at 42-5-1.
On November 21, 1981, the 29-year-old WBC and The Ring lightweight world champion, Alexis Argüello (68-5, 55 KOs), faced Roberto Elizondo, in a title defense fight.
Argüello came in to the fight on a 12-fight win streak with a 75% KO rate, and was fighting after a gap of 1 month and 18 days.
Alexis Argüello stopped Roberto Elizondo via KO in the 7th round of the 15-round world-title fight, and successfully defended his WBC and The Ring lightweight titles. Argüello improves his record to 69-5 (56 KOs)
On January 20, 1980, the 27-year-old WBC super-featherweight world champion, Alexis Argüello (60-5, 50 KOs), faced a 22-year-old American boxer Ruben Castillo (43-0, 21 KOs), in a title defense fight.
Argüello came in to the fight on a 4-fight win streak with a 76% KO rate, and was fighting after a gap of 2 months and 4 days. Castillo was on a 43-fight win streak with a 48% KO rate, and fighting after a layoff of 1 month and 10 days.
Alexis Argüello stopped Ruben Castillo via TKO in the 11th round of the 15-round world-title fight, and successfully defended his WBC super-featherweight title. Argüello improves his record to 61-5 (51 KOs), while Castillo adds a loss to his record at 43-1.