Here is a list of Demers's best fights. For a list of Demers's losses, refer to "Sébastien Demers Losses".
On March 6, 2010 Sébastien Demers faced off against William Joppy at age 30. He was coming in with a record of 31-2 (11), and Joppy was 39 years old and with a record of 39-5-1 (30). Demers won the fight via 10-round majority decision.