On March 20, 1997, a 39-year-old Ruben Castillo (67-9-2, 35 KOs) and Rudy Zavala met in the ring.
Castillo came in to the fight on a 2-fight win streak with a 44% KO rate, and was fighting after a gap of 5 months and 24 days.
Ruben Castillo lost to Rudy Zavala via TKO in the 3rd round, and adds a loss to his record at 67-10-2.
On February 19, 1996, a 38-year-old Ruben Castillo (65-8-2, 35 KOs) and Fabian Hector Tejeda met in the ring.
Castillo came in to the fight on a 4-fight win streak with a 46% KO rate, and was fighting after a gap of 2 months and 4 days.
Ruben Castillo lost to Fabian Hector Tejeda via unanimous decision in the 10-round fight, and adds a loss to his record at 65-9-2.
On August 31, 1989, a 31-year-old Ruben Castillo (61-7-2, 33 KOs) and Edgar Castro met in the ring.
Castillo came in to the fight on a 1-fight losing streak with a 47% KO rate, and was fighting after a gap of 7 months and 1 day.
Ruben Castillo lost to Edgar Castro via TKO in the 5th round, and adds a loss to his record at 61-8-2.
On January 30, 1989, a 31-year-old Ruben Castillo (61-6-2, 33 KOs) and Santos Moreno met in the ring.
Castillo came in to the fight on a 1-fight win streak with a 47% KO rate, and was fighting after a gap of 2 years, 10 months, and 26 days.
Ruben Castillo lost to Santos Moreno via split decision in the 10-round fight, and adds a loss to his record at 61-7-2.
On August 18, 1985, a 27-year-old Ruben Castillo (60-5-2, 33 KOs) and Francisco Tomas da Cruz met in the ring.
Castillo came in to the fight on a 1-fight losing streak with a 49% KO rate, and was fighting after a gap of 3 months and 30 days.
Ruben Castillo lost to Francisco Tomas da Cruz via unanimous decision in the 10-round fight, and adds a loss to his record at 60-6-2.
On April 19, 1985, the 27-year-old WBC super-featherweight world champion, Ruben Castillo (60-4-2, 33 KOs), faced a 22-year-old Mexican boxer Julio Cesar Chavez (45-0, 39 KOs), in a title defense fight.
Castillo came in to the fight on a 6-fight win streak with a 50% KO rate, and was fighting after a gap of 7 months and 1 day. Chávez was on a 45-fight win streak with a 86% KO rate, and fighting after a layoff of 3 months and 18 days.
Julio César Chávez stopped Ruben Castillo via TKO in the 6th round of the 12-round world-title fight, and successfully defended his WBC super-featherweight title. Chávez improves his record to 46-0 (40 KOs), while Castillo adds a loss to his record at 60-5-2.
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 May 4, 1981, a 23-year-old Ruben Castillo (47-2-1, 23 KOs) and Kelvin Lampkin met in the ring.
Castillo came in to the fight on a 1-fight win streak with a 46% KO rate, and was fighting after a gap of 1 month and 18 days.
Ruben Castillo lost to Kelvin Lampkin via points decision in the 10-round fight, and adds a loss to his record at 47-3-1.
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 January 20, 1980, a 22-year-old Ruben Castillo (43-0, 21 KOs) got a shot at the super-featherweight WBC title held by 27-year-old Nicaraguan boxer Alexis Arguello (60-5, 50 KOs).
Castillo came in to the fight on a 43-fight win streak with a 48% KO rate, and was fighting after a gap of 1 month and 10 days. Argüello was on a 4-fight win streak with a 76% KO rate, and fighting after a layoff of 2 months and 4 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.