On July 20, 1981, a 23-year-old Ruben Castillo (47-3-1, 23 KOs) and Kelvin Lampkin met in the ring for the 2nd time,.
Castillo came in to the fight on a 1-fight losing streak with a 45% KO rate, and was fighting after a gap of 2 months and 16 days.
In the rematch, Ruben Castillo stopped Kelvin Lampkin via TKO in the 2nd round. Castillo improves his record to 48-3-1 (24 KOs)
On February 20, 1983, a 25-year-old Ruben Castillo (54-3-2, 28 KOs) got a shot at the featherweight WBC title held by 23-year-old Puerto Rican boxer Juan Laporte (22-3, 13 KOs).
Castillo came in to the fight on a 3-fight win streak with a 47% KO rate, and was fighting after a gap of 5 months and 6 days. Laporte was on a 3-fight win streak with a 52% KO rate, and fighting after a layoff of 5 months and 5 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 October 10, 1975, a 17-year-old Ruben Castillo (6-0, 2 KOs) and Ray Thomas met in the ring for the 2nd time,.
Castillo came in to the fight on a 6-fight win streak with a 33% KO rate, and was fighting after a gap of 16 days.
In the rematch, Ruben Castillo defeated Ray Thomas via unanimous decision in the 6-round fight. Castillo improves his record to 7-0
On April 12, 1980, a 22-year-old Ruben Castillo (44-1, 22 KOs) got a shot at the featherweight WBC title held by 21-year-old Mexican boxer Salvador Sanchez (34-1-1, 28 KOs).
Castillo came in to the fight on a 1-fight win streak with a 48% KO rate, and was fighting after a gap of 1 month and 9 days. Sánchez was on a 14-fight win streak with a 77% KO rate, and fighting after a layoff of 2 months and 10 days.
Salvador Sánchez defeated Ruben Castillo via unanimous decision and successfully defended his WBC and The Ring featherweight titles. Sánchez improves his record to 35-1-1, while Castillo adds a loss to his record at 44-2.
On March 11, 1979, a 21-year-old Ruben Castillo (33-0, 14 KOs) and Warren Matthews met in the ring in a featherweight bout.
Castillo came in to the fight on a 33-fight win streak with a 42% KO rate, and was fighting after a gap of 18 days.
Ruben Castillo stopped Warren Matthews via KO in the 7th round. Castillo improves his record to 34-0 (15 KOs)
On August 17, 1977, a 19-year-old Ruben Castillo (23-0, 9 KOs) and Alberto Torres met in the ring.
Castillo came in to the fight on a 23-fight win streak with a 39% KO rate, and was fighting after a gap of 28 days.
Ruben Castillo stopped Alberto Torres via TKO in the 1st round. Castillo improves his record to 24-0 (10 KOs)
On November 12, 1975, a 17-year-old Ruben Castillo (7-0, 2 KOs) and Regis Rodriguez met in the ring.
Castillo came in to the fight on a 7-fight win streak with a 28% KO rate, and was fighting after a gap of 1 month and 2 days.
Ruben Castillo stopped Regis Rodriguez via TKO in the 1st round. Castillo improves his record to 8-0 (3 KOs)
On July 30, 1975, a 17-year-old Ruben Castillo (2-0, 1 KO) and Manny Castro met in the ring.
Castillo came in to the fight on a 2-fight win streak with a 50% KO rate, and was fighting after a gap of 3 months and 14 days.
Ruben Castillo stopped Manny Castro via KO in the 1st round. Castillo improves his record to 3-0 (2 KOs)
On May 24, 1995, a 37-year-old Ruben Castillo (61-8-2, 33 KOs) and Javier Hector Valadez met in the ring.
Castillo came in to the fight on a 2-fight losing streak with a 46% KO rate, and was fighting after a gap of 5 years, 8 months, and 24 days.
Ruben Castillo stopped Javier Hector Valadez via KO in the 2nd round. Castillo improves his record to 62-8-2 (34 KOs)
On September 18, 1984, a 26-year-old Ruben Castillo (59-4-2, 32 KOs) and Jorge Morales met in the ring.
Castillo came in to the fight on a 5-fight win streak with a 49% KO rate, and was fighting after a gap of 3 months and 4 days.
Ruben Castillo stopped Jorge Morales via TKO in the 2nd round. Castillo improves his record to 60-4-2 (33 KOs)