On August 26, 2017, the 30-year-old WBA (Regular) light-heavyweight world champion, Nathan Cleverly (30-3, 16 KOs), faced a 33-year-old Swedish boxer Badou Jack (21-1-2, 12 KOs), in a title defense fight.
Cleverly came in to the fight on a 1-fight win streak with a 48% KO rate, and was fighting after a gap of 10 months and 25 days. Jack was on a 0-fight win streak with a 50% KO rate, and fighting after a layoff of 7 months and 12 days.
Badou Jack stopped the champion via TKO in the 5th round of the 12-round world-title fight, and is crowned the new WBA (Regular) light-heavyweight champion. Jack improves his record to 22-1-2 (13 KOs), while Cleverly adds a loss to his record at 30-4.
On October 16, 2015, a 28-year-old Nathan Cleverly (29-2, 15 KOs) and a 27-year-old Polish boxer Andrzej Fonfara (27-3, 16 KOs) met in the ring in a light-heavyweight bout.
Cleverly came in to the fight on a 1-fight win streak with a 48% KO rate, and was fighting after a gap of 4 months and 16 days. Fonfara was on a 2-fight win streak with a 53% KO rate, and fighting after a layoff of 5 months and 28 days.
Andrzej Fonfara defeated Nathan Cleverly via unanimous decision in the 12-round light-heavyweight fight. Fonfara improves his record to 28-3, while Cleverly adds a loss to his record at 29-3.
On November 22, 2014, a 27-year-old Nathan Cleverly (28-1, 14 KOs) and a 31-year-old British boxer Tony Bellew (22-2-1, 14 KOs) met in the ring for the 2nd time,.
Cleverly came in to the fight on a 2-fight win streak with a 48% KO rate, and was fighting after a gap of 4 months and 10 days. Bellew was on a 2-fight win streak with a 56% KO rate, and fighting after a layoff of 4 months and 10 days.
In the rematch, Tony Bellew defeated Nathan Cleverly via split decision in the 12-round fight. Bellew improves his record to 23-2-1, while Cleverly adds a loss to his record at 28-2.
On August 17, 2013, the 26-year-old WBO light-heavyweight world champion, Nathan Cleverly (26-0, 12 KOs), faced a 30-year-old Russian boxer Sergey Kovalev (21-0-1, 19 KOs), in a title defense fight.
Cleverly came in to the fight on a 26-fight win streak with a 46% KO rate, and was fighting after a gap of 3 months and 28 days. Kovalev was on a 5-fight win streak with a 86% KO rate, and fighting after a layoff of 2 months and 3 days.
Sergey Kovalev stopped the champion via TKO in the 4th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBO light-heavyweight champion. Kovalev improves his record to 22-0-1 (20 KOs), while Cleverly adds a loss to his record at 26-1.