On March 8, 2008, a 36-year-old Nate Campbell (31-5-1, 25 KOs) got a shot at the WBA (Super), IBF, and WBO lightweight titles held by 24-year-old Juan Díaz (33-0, 17 KOs).
Campbell came in to the fight on a 3-fight win streak with a 67% KO rate, and was fighting after a gap of 8 months and 2 days. Díaz was on a 33-fight win streak with a 51% KO rate, and fighting after a layoff of 4 months and 24 days.
Nate Campbell defeated Juan Díaz via split decision and wins the WBA (Super), IBF, and WBO titles — in his first world-title fight. Campbell improves his record to 32-5-1, while Díaz adds a loss to his record at 33-1.
On July 6, 2007, a 35-year-old Nate Campbell (30-5-1, 24 KOs) and Wilson Alcorro met in the ring.
Campbell came in to the fight on a 2-fight win streak with a 66% KO rate, and was fighting after a gap of 4 months and 4 days.
Nate Campbell stopped Wilson Alcorro via TKO in the 6th round. Campbell improves his record to 31-5-1 (25 KOs)
On September 14, 2002, a 30-year-old Nate Campbell (21-0, 19 KOs) and Daniel Alicea met in the ring in a super-featherweight bout.
Campbell came in to the fight on a 21-fight win streak with a 90% KO rate, and was fighting after a gap of 2 months and 23 days.
Nate Campbell stopped Daniel Alicea via KO in the 3rd round. Campbell improves his record to 22-0 (20 KOs)
On March 24, 2012, a 40-year-old Nate Campbell (34-9-1, 25 KOs) and Victor Cayo met in the ring.
Campbell came in to the fight on a 1-fight losing streak with a 56% KO rate, and was fighting after a gap of 5 months and 28 days.
Nate Campbell stopped Victor Cayo via TKO in the 9th round. Campbell improves his record to 35-9-1 (26 KOs)
On October 1, 2005, a 33-year-old Nate Campbell (26-4-1, 22 KOs) and Almazbek Raiymkulov met in the ring.
Campbell came in to the fight on a 1-fight losing streak with a 71% KO rate, and was fighting after a gap of 3 months and 17 days.
Nate Campbell stopped Almazbek Raiymkulov via TKO in the 10th round. Campbell improves his record to 27-4-1 (23 KOs)
On April 29, 2005, a 33-year-old Nate Campbell (25-3-1, 21 KOs) and Johnny Walker met in the ring.
Campbell came in to the fight on a 1-fight losing streak with a 72% KO rate, and was fighting after a gap of 2 months and 6 days.
Nate Campbell stopped Johnny Walker via TKO in the 2nd round. Campbell improves his record to 26-3-1 (22 KOs)
On June 23, 2001, a 29-year-old Nate Campbell (10-0, 9 KOs) and Keith Major met in the ring.
Campbell came in to the fight on a 10-fight win streak with a 90% KO rate, and was fighting after a gap of 1 month and 12 days.
Nate Campbell stopped Keith Major via KO in the 2nd round. Campbell improves his record to 11-0 (10 KOs)
On February 22, 2001, a 28-year-old Nate Campbell (6-0, 6 KOs) and Antonio Young met in the ring.
Campbell came in to the fight on a 6-fight win streak with a 100% KO rate, and was fighting after a gap of 1 month and 4 days.
Nate Campbell stopped Antonio Young via TKO in the 2nd round. Campbell improves his record to 7-0 (7 KOs)
On August 11, 2001, a 29-year-old Nate Campbell (12-0, 11 KOs) and Steve Trumble met in the ring.
Campbell came in to the fight on a 12-fight win streak with a 91% KO rate, and was fighting after a gap of 14 days.
Nate Campbell stopped Steve Trumble via TKO in the 3rd round. Campbell improves his record to 13-0 (12 KOs)
On July 28, 2001, a 29-year-old Nate Campbell (11-0, 10 KOs) and Antonio Smith met in the ring for the 2nd time,.
Campbell came in to the fight on a 11-fight win streak with a 90% KO rate, and was fighting after a gap of 1 month and 5 days.
In the rematch, Nate Campbell stopped Antonio Smith via TKO in the 2nd round. Campbell improves his record to 12-0 (11 KOs)