On December 8, 1988, a 25-year-old John David Jackson (17-0, 11 KOs) got a shot at the WBO super-welterweight title held by Lupe Aquino.
Jackson came in to the fight on a 17-fight win streak with a 64% KO rate, and was fighting after a gap of 2 months and 1 day.
The champion refused to continue the fight in the 7th round, and John David Jackson is crowned the new WBO super-welterweight world champion — in his first world-title fight. Jackson improves his record to 18-0 (12 KOs)
On April 22, 1989, the 25-year-old WBO super-welterweight world champion, John David Jackson (18-0, 12 KOs), faced Steve Little, in a title defense fight.
Jackson came in to the fight on a 18-fight win streak with a 66% KO rate, and was fighting after a gap of 4 months and 14 days.
John David Jackson stopped Steve Little via TKO in the 8th round of the 12-round world-title fight, and successfully defended his WBO super-welterweight title. Jackson improves his record to 19-0 (13 KOs)
On October 1, 1993, a 30-year-old John David Jackson (29-0, 17 KOs) got a shot at the WBA middleweight title held by 27-year-old Reggie Johnson (34-2-1, 21 KOs).
Jackson came in to the fight on a 29-fight win streak with a 58% KO rate, and was fighting after a gap of 28 days. Johnson was on a 5-fight win streak with a 56% KO rate, and fighting after a layoff of 4 months and 27 days.
John David Jackson defeated Reggie Johnson via unanimous decision and wins the WBA title. Jackson improves his record to 30-0, while Johnson adds a loss to his record at 34-3-1.
On June 9, 1992, the 29-year-old WBO super-welterweight world champion, John David Jackson (24-0, 14 KOs), faced Pat Lawlor, in a title defense fight.
Jackson came in to the fight on a 24-fight win streak with a 58% KO rate, and was fighting after a gap of 10 months and 19 days.
The challenger refused to continue the fight in the 9th round, and John David Jackson is crowned the new super-welterweight world champion. Jackson improves his record to 25-0 (15 KOs)
On December 19, 1992, the 29-year-old WBO super-welterweight world champion, John David Jackson (27-0, 15 KOs), faced Michele Mastrodonato, in a title defense fight.
Jackson came in to the fight on a 27-fight win streak with a 55% KO rate, and was fighting after a gap of 1 month and 27 days.
John David Jackson stopped Michele Mastrodonato via TKO in the 10th round of the 12-round world-title fight, and successfully defended his WBO super-welterweight title. Jackson improves his record to 28-0 (16 KOs)
On July 21, 1991, the 28-year-old WBO super-welterweight world champion, John David Jackson (23-0, 14 KOs), faced Tyrone Trice, in a title defense fight.
Jackson came in to the fight on a 23-fight win streak with a 60% KO rate, and was fighting after a gap of 2 months and 11 days.
John David Jackson defeated Tyrone Trice via unanimous decision and successfully defended his WBO super-welterweight title. Jackson improves his record to 24-0
On October 23, 1990, 27-year-old John David Jackson (21-0, 14 KOs) and Chris Pyatt fought for the vacant WBO super-welterweight title.
Jackson came in to the fight on a 21-fight win streak with a 66% KO rate, and was fighting after a gap of 2 months and 29 days.
John David Jackson defeated Chris Pyatt via unanimous decision . Jackson improves his record to 22-0
On January 13, 1987, a 23-year-old John David Jackson (14-0, 9 KOs) and Sidney Outlaw met in the ring in a super-welterweight bout.
Jackson came in to the fight on a 14-fight win streak with a 64% KO rate, and was fighting after a gap of 1 month and 19 days.
John David Jackson stopped Sidney Outlaw via TKO in the 6th round. Jackson improves his record to 15-0 (10 KOs)
On June 13, 1985, a 22-year-old John David Jackson (6-0, 3 KOs) and Billy Joe met in the ring.
Jackson came in to the fight on a 6-fight win streak with a 50% KO rate, and was fighting after a gap of 2 months and 24 days.
John David Jackson stopped Billy Joe via TKO in the 1st round. Jackson improves his record to 7-0 (4 KOs)
On December 1, 1989, a 26-year-old John David Jackson (19-0, 13 KOs) and Ruben Villaman met in the ring.
Jackson came in to the fight on a 19-fight win streak with a 68% KO rate, and was fighting after a gap of 7 months and 9 days.
John David Jackson stopped Ruben Villaman via KO in the 2nd round. Jackson improves his record to 20-0 (14 KOs)