On September 15, 1982, 22-year-old Juan Laporte (21-3, 12 KOs) and 23-year-old Mario Miranda (19-0, 13 KOs) fought for the vacant WBC featherweight title.
Laporte came in to the fight on a 2-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 25 days. Miranda was on a 19-fight win streak with a 68% KO rate, and fighting after a layoff of 2 months and 27 days.
Mario Miranda refused to continue the fight in the 10th round, and Juan Laporte is crowned the new WBC featherweight world champion — in his first world-title fight. Laporte improves his record to 22-3 (13 KOs), while Miranda adds a loss to his record at 19-1.
On February 20, 1983, the 23-year-old WBC featherweight world champion, Juan Laporte (22-3, 13 KOs), faced a 25-year-old American boxer Ruben Castillo (54-3-2, 28 KOs), in a title defense fight.
Laporte came in to the fight on a 3-fight win streak with a 52% KO rate, and was fighting after a gap of 5 months and 5 days. Castillo was on a 3-fight win streak with a 47% KO rate, and fighting after a layoff of 5 months and 6 days.
Juan Laporte defeated Ruben Castillo via unanimous decision and successfully defended his WBC featherweight title. Laporte improves his record to 23-3, while Castillo adds a loss to his record at 54-4-2.
On June 25, 1983, the 23-year-old WBC featherweight world champion, Juan Laporte (23-3, 13 KOs), faced a 20-year-old Dominican boxer Johnny De La Rosa (21-0, 16 KOs), in a title defense fight.
Laporte came in to the fight on a 4-fight win streak with a 50% KO rate, and was fighting after a gap of 4 months and 5 days. De La Rosa was on a 21-fight win streak with a 76% KO rate, and fighting after a layoff of 7 months and 6 days.
Juan Laporte defeated Johnny De La Rosa via split decision and successfully defended his WBC featherweight title. Laporte improves his record to 24-3, while De La Rosa adds a loss to his record at 21-1.
On January 24, 1982, a 22-year-old Juan Laporte (19-2, 11 KOs) got a shot at the featherweight WBA title held by 25-year-old Panamanian boxer Eusebio Pedroza (32-3, 23 KOs).
Laporte came in to the fight on a 4-fight win streak with a 52% KO rate, and was fighting after a gap of 1 month and 13 days. Pedroza was on a 18-fight win streak with a 65% KO rate, and fighting after a layoff of 1 month and 19 days.
Eusebio Pedroza defeated Juan Laporte via unanimous decision and successfully defended his WBA featherweight title. Pedroza improves his record to 33-3, while Laporte adds a loss to his record at 19-3.
On August 22, 1981, a 21-year-old Juan Laporte (17-2, 10 KOs) and a 22-year-old American boxer Rocky Lockridge (20-1, 17 KOs) met in the ring in a featherweight bout.
Laporte came in to the fight on a 2-fight win streak with a 52% KO rate, and was fighting after a gap of 4 months and 12 days. Lockridge was on a 4-fight win streak with a 81% KO rate, and fighting after a layoff of 3 months and 1 day.
Juan Laporte stopped Rocky Lockridge via KO in the 2nd round. Laporte improves his record to 18-2 (11 KOs), while Lockridge adds a loss to his record at 20-2.
On March 31, 1984, a 24-year-old Juan Laporte (24-4, 13 KOs) got a shot at the featherweight WBC title held by 27-year-old fellow Puerto Rican boxer Wilfredo Gomez (40-1-1, 40 KOs).
Laporte came in to the fight on a 1-fight losing streak with a 46% KO rate, and was fighting after a gap of 4 months and 26 days. Gómez was on a 8-fight win streak with a 95% KO rate, and fighting after a layoff of 3 months and 17 days.
Wilfredo Gómez defeated Juan Laporte via unanimous decision and wins the WBC title. Gómez improves his record to 41-1-1, while Laporte adds a loss to his record at 24-5.
On December 12, 1986, a 27-year-old Juan Laporte (27-6, 14 KOs) got a shot at the super-featherweight WBC title held by 24-year-old Mexican boxer Julio Cesar Chavez (53-0, 44 KOs).
Laporte came in to the fight on a 2-fight win streak with a 42% KO rate, and was fighting after a gap of 2 months and 17 days. Chávez was on a 53-fight win streak with a 83% KO rate, and fighting after a layoff of 4 months and 9 days.
Julio César Chávez defeated Juan Laporte via unanimous decision and successfully defended his WBC super-featherweight title. Chávez improves his record to 54-0, while Laporte adds a loss to his record at 27-7.
On May 28, 1982, a 22-year-old Juan Laporte (19-3, 11 KOs) and Alberto Collazo met in the ring in a featherweight bout.
Laporte came in to the fight on a 1-fight losing streak with a 50% KO rate, and was fighting after a gap of 4 months and 4 days.
Juan Laporte stopped Alberto Collazo via TKO in the 5th round. Laporte improves his record to 20-3 (12 KOs)
On December 13, 1980, a 21-year-old Juan Laporte (15-1, 8 KOs) got a shot at the featherweight WBC title held by 21-year-old Mexican boxer Salvador Sanchez (37-1-1, 29 KOs).
Laporte came in to the fight on a 11-fight win streak with a 50% KO rate, and was fighting after a gap of 3 months. Sánchez was on a 17-fight win streak with a 74% KO rate, and fighting after a layoff of 3 months.
Salvador Sánchez defeated Juan Laporte via unanimous decision and successfully defended his WBC and The Ring featherweight titles. Sánchez improves his record to 38-1-1, while Laporte adds a loss to his record at 15-2.
On April 27, 1979, a 19-year-old Juan Laporte (6-1, 2 KOs) and Lazaro Fabiano met in the ring.
Laporte came in to the fight on a 2-fight win streak with a 28% KO rate, and was fighting after a gap of 4 months and 12 days.
Juan Laporte stopped Lazaro Fabiano via TKO in the 1st round. Laporte improves his record to 7-1 (3 KOs)