Dennis Hogan has five losses against five opponents on his boxing record. For a list of Hogan's best fights, refer to "Best fights of Dennis Hogan".
On May 20, 2023 Dennis Hogan faced off against JJ Metcalf in a super-welterweight bout at age 38. He was coming in with a record of 31-5-1 (7), and Metcalf was 34 years old and with a record of 24-2 (15). Hogan lost the fight via 12-round unanimous decision.
On March 31, 2021 Dennis Hogan faced off against Tim Tszyu in a super-welterweight bout at age 36. He was coming in with a record of 28-4-1 (7), and Tszyu was 26 years old and with a record of 17-0 (13). Hogan lost the fight via 5th-round TKO.
On December 7, 2019 Dennis Hogan fought Jermall Charlo in a middleweight world-title fight for Charlo's WBC title. Hogan was 34 years old and with a record of 28-3-1 (7), and Charlo was 29 years old and with a record of 29-0 (21). Hogan lost the fight via 7th-round TKO.
On April 13, 2019 Dennis Hogan fought Jaime Munguía in a super-welterweight world-title fight for Munguía's WBO title. Hogan was 34 years old and with a record of 28-2-1 (7), and Munguía was 22 years old and with a record of 32-0 (26). Hogan lost the fight via 12-round majority decision.
On December 5, 2015 Dennis Hogan fought Jack Culcay in a super-welterweight world-title fight for Culcay's WBA title. Hogan was 30 years old and with a record of 22-1-1 (7), and Culcay was 30 years old and with a record of 20-1 (10). Hogan lost the fight via 12-round unanimous decision.