On June 23, 1984, an 18-year-old Mario Martínez (32-1-2, 19 KOs) and a 27-year-old Filipino boxer Rolando Navarrete (47-9-3, 26 KOs) met in the ring.
Martínez came in to the fight on a 12-fight win streak with a 54% KO rate, and was fighting after a gap of 1 month and 6 days. Navarrete was on a 4-fight win streak with a 44% KO rate, and fighting after a layoff of 10 months and 11 days.
Mario Martínez stopped Rolando Navarrete via TKO in the 5th round. Martínez improves his record to 33-1-2 (20 KOs), while Navarrete adds a loss to his record at 47-10-3.
On July 29, 1995, a 29-year-old Mario Martínez (50-9-2, 31 KOs) and Andres Sandoval met in the ring for the 2nd time, in a super-lightweight bout.
Martínez came in to the fight on a 1-fight win streak with a 50% KO rate, and was fighting after a gap of 29 days.
In the rematch, Mario Martínez defeated Andres Sandoval via unanimous decision in the 12-round super-lightweight fight. Martínez improves his record to 51-9-2
On February 29, 1988, 22-year-old Mario Martínez (46-3-2, 29 KOs) and 29-year-old Azumah Nelson (26-1, 19 KOs) fought for the vacant WBC super-featherweight title.
Martínez came in to the fight on a 8-fight win streak with a 56% KO rate, and was fighting after a gap of 3 months and 17 days. Nelson was on a 13-fight win streak with a 70% KO rate, and fighting after a layoff of 6 months.
Azumah Nelson defeated Mario Martínez via split decision . Nelson improves his record to 27-1, while Martínez adds a loss to his record at 46-4-2.
On November 24, 1989, a 24-year-old Mario Martínez (47-5-2, 29 KOs) and a 25-year-old Australian boxer Jeff Fenech (23-0, 18 KOs) met in the ring.
Martínez came in to the fight on a 1-fight losing streak with a 53% KO rate, and was fighting after a gap of 8 months and 30 days. Fenech was on a 23-fight win streak with a 78% KO rate, and fighting after a layoff of 7 months and 16 days.
Jeff Fenech defeated Mario Martinez via unanimous decision in the 12-round fight. Fenech improves his record to 24-0, while Martínez adds a loss to his record at 47-6-2.
On December 16, 1983, an 18-year-old Mario Martínez (27-1-2, 14 KOs) and Adrian Zapanta met in the ring.
Martínez came in to the fight on a 7-fight win streak with a 46% KO rate, and was fighting after a gap of 1 month and 17 days.
Mario Martínez stopped Adrian Zapanta via TKO in the 1st round. Martínez improves his record to 28-1-2 (15 KOs)
On November 21, 1980, a 15-year-old Mario Martínez (9-0, 6 KOs) and Arturo Hernandez met in the ring for the 2nd time,.
Martínez came in to the fight on a 9-fight win streak with a 66% KO rate, and was fighting after a gap of 28 days.
In the rematch, Mario Martínez stopped Arturo Hernandez via TKO in the 1st round. Martínez improves his record to 10-0 (7 KOs)
On June 30, 1995, a 29-year-old Mario Martínez (49-9-2, 30 KOs) and Pedro Mendoza met in the ring.
Martínez came in to the fight on a 1-fight losing streak with a 50% KO rate, and was fighting after a gap of 3 years, 10 months, and 11 days.
Mario Martínez stopped Pedro Mendoza via KO in the 1st round. Martínez improves his record to 50-9-2 (31 KOs)
On March 2, 1991, a 25-year-old Mario Martínez (48-7-2, 29 KOs) got a shot at the lightweight WBO title held by 24-year-old South African boxer Dingaan Thobela (3-0, 2 KOs).
Martínez came in to the fight on a 1-fight losing streak with a 50% KO rate, and was fighting after a gap of 7 months and 14 days. Thobela was on a 3-fight win streak with a 66% KO rate, and fighting after a layoff of 5 months and 8 days.
Dingaan Thobela defeated Mario Martínez via unanimous decision and successfully defended his WBO lightweight title. Thobela improves his record to 4-0, while Martínez adds a loss to his record at 48-8-2.
On February 5, 1982, a 16-year-old Mario Martínez (16-1-1, 10 KOs) and Ambrosio Luna met in the ring.
Martínez came in to the fight on a 2-fight win streak with a 55% KO rate, and was fighting after a gap of 2 months and 23 days.
Mario Martínez stopped Ambrosio Luna via KO in the 1st round. Martínez improves his record to 17-1-1 (11 KOs)
On June 6, 1980, a 14-year-old Mario Martínez (3-0, 3 KOs) and Enrique Hernandez met in the ring.
Martínez came in to the fight on a 3-fight win streak with a 100% KO rate, and was fighting after a gap of 2 months and 9 days.
Mario Martínez stopped Enrique Hernandez via KO in the 1st round. Martínez improves his record to 4-0 (4 KOs)