On December 19, 1985, a 26-year-old Mario Miranda (27-2-2, 17 KOs) and Oscar Bejines met in the ring.
Miranda came in to the fight on a 1-fight win streak with a 54% KO rate, and was fighting after a gap of 2 months and 29 days.
Mario Miranda lost to Oscar Bejines via unanimous decision in the 10-round fight, and adds an loss to his record at 27-3-2.
On May 14, 1983, a 23-year-old Mario Miranda (20-1, 13 KOs) and Jorge Lujan met in the ring.
Miranda came in to the fight on a 1-fight win streak with a 61% KO rate, and was fighting after a gap of 3 months and 9 days.
Mario Miranda lost to Jorge Lujan via unanimous decision in the 10-round fight, and adds an loss to his record at 20-2.
On September 15, 1982, 23-year-old Mario Miranda (19-0, 13 KOs) and 22-year-old Juan Laporte (21-3, 12 KOs) fought for the vacant WBC featherweight title.
Miranda came in to the fight on a 19-fight win streak with a 68% KO rate, and was fighting after a gap of 2 months and 27 days. Laporte was on a 2-fight win streak with a 50% KO rate, and fighting after a layoff of 1 month and 25 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.