On October 30, 1976, a 22-year-old Marcos Geraldo (42-13, 21 KOs) and Ernesto Caballero met in the ring for the 2nd time,.
Geraldo came in to the fight on a 3-fight win streak with a 38% KO rate, and was fighting after a gap of 1 month and 27 days.
In the rematch, Marcos Geraldo stopped Ernesto Caballero via KO in the 1st round. Geraldo improves his record to 43-13 (22 KOs)
On July 21, 1971, a 16-year-old Marcos Geraldo (12-3, 5 KOs) and Jimmy Nelson met in the ring for the 2nd time,.
Geraldo came in to the fight on a 3-fight win streak with a 33% KO rate, and was fighting after a gap of 4 days.
In the rematch, Marcos Geraldo stopped Jimmy Nelson via TKO in the 7th round. Geraldo improves his record to 13-3 (6 KOs)
On August 25, 1979, a 24-year-old Marcos Geraldo (51-15, 30 KOs) and Lorenzo Benitez met in the ring in a middleweight bout.
Geraldo came in to the fight on a 1-fight losing streak with a 45% KO rate, and was fighting after a gap of 3 months and 5 days.
Marcos Geraldo stopped Lorenzo Benitez via TKO in the 2nd round. Geraldo improves his record to 52-15 (31 KOs)
On October 22, 1977, a 23-year-old Marcos Geraldo (45-14, 24 KOs) and Emeterio Villanueva met in the ring in a middleweight bout.
Geraldo came in to the fight on a 2-fight win streak with a 40% KO rate, and was fighting after a gap of 6 months and 1 day.
Marcos Geraldo stopped Emeterio Villanueva via KO in the 2nd round. Geraldo improves his record to 46-14 (25 KOs)
On March 1, 1972, a 17-year-old Marcos Geraldo (22-4, 13 KOs) and Miguel Hernandez met in the ring for the 2nd time,.
Geraldo came in to the fight on a 6-fight win streak with a 50% KO rate, and was fighting after a gap of 13 days.
In the rematch, Marcos Geraldo defeated Miguel Hernandez via unanimous decision in the 10-round fight. Geraldo improves his record to 23-4
On May 20, 1978, a 23-year-old Marcos Geraldo (48-14, 27 KOs) and Joaquin Macias met in the ring in a middleweight bout.
Geraldo came in to the fight on a 5-fight win streak with a 43% KO rate, and was fighting after a gap of 2 months and 16 days.
Marcos Geraldo stopped Joaquin Macias via TKO in the 5th round. Geraldo improves his record to 49-14 (28 KOs)
On March 31, 1979, a 24-year-old Marcos Geraldo (50-14, 29 KOs) and Renato Garcia met in the ring for the 3rd time, in a middleweight bout.
Geraldo came in to the fight on a 7-fight win streak with a 45% KO rate, and was fighting after a gap of 6 months and 22 days.
In the rematch, Marcos Geraldo stopped Renato Garcia via TKO in the 6th round. Geraldo improves his record to 51-14 (30 KOs)
On September 9, 1978, a 23-year-old Marcos Geraldo (49-14, 28 KOs) and George Cooper met in the ring in a middleweight bout.
Geraldo came in to the fight on a 6-fight win streak with a 44% KO rate, and was fighting after a gap of 3 months and 20 days.
Marcos Geraldo stopped George Cooper via TKO in the 6th round. Geraldo improves his record to 50-14 (29 KOs)
On March 17, 1983, a 28-year-old Marcos Geraldo (62-18, 41 KOs) and Karl Hess met in the ring.
Geraldo came in to the fight on a 6-fight win streak with a 51% KO rate, and was fighting after a gap of 17 days.
Marcos Geraldo stopped Karl Hess via TKO in the 1st round. Geraldo improves his record to 63-18 (42 KOs)
On February 28, 1983, a 28-year-old Marcos Geraldo (61-18, 40 KOs) and Abraham Meneses met in the ring.
Geraldo came in to the fight on a 5-fight win streak with a 50% KO rate, and was fighting after a gap of 18 days.
Marcos Geraldo stopped Abraham Meneses via KO in the 1st round. Geraldo improves his record to 62-18 (41 KOs)