Nathan Cleverly has four losses against four opponents on his boxing record. For a list of Cleverly's best fights, refer to "Best fights of Nathan Cleverly".
On August 26, 2017 Nathan Cleverly met Badou Jack in a light-heavyweight (WBA (Regular)) world-title defense fight. Cleverly was 30 years old and with a record of 30-4 (16), and Jack was 33 years old and with a record of 21-1-2 (12). Cleverly lost the fight via 5th-round TKO and lost the title.
On October 16, 2015 Nathan Cleverly faced off against Andrzej Fonfara in a light-heavyweight bout at age 28. He was coming in with a record of 29-3 (15), and Fonfara was 27 years old and with a record of 27-3 (16). Cleverly lost the fight via 12-round unanimous decision.
On November 22, 2014 Nathan Cleverly faced off against Tony Bellew at age 27. He was coming in with a record of 28-2 (14), and Bellew was 31 years old and with a record of 22-2-1 (14). Cleverly lost the fight via 12-round split decision.
On August 17, 2013 Nathan Cleverly met Sergey Kovalev in a light-heavyweight (WBO) world-title defense fight. Cleverly was 26 years old and with a record of 26-1 (12), and Kovalev was 30 years old and with a record of 21-0-1 (19). Cleverly lost the fight via 4th-round TKO and lost the title.