Here is a list of Lemieux's best fights. For a list of Lemieux's losses, refer to "David Lemieux Losses".
On June 20, 2015 David Lemieux fought Hassan N'Dam N'Jikam in a middleweight world-title fight for the IBF title. Lemieux was 26 years old and with a record of 34-2 (31), and N'Jikam was 31 years old and with a record of 31-1 (18). Lemieux won the fight via 12-round unanimous decision and is crowned the new middleweight world champion.
On September 15, 2018 David Lemieux faced off against Gary O'Sullivan at age 29. He was coming in with a record of 40-4 (34), and O'Sullivan was 34 years old and with a record of 28-2 (20). Lemieux stopped Gary O'Sullivan via KO.
On March 11, 2017 David Lemieux faced off against Curtis Stevens in a middleweight bout at age 28. He was coming in with a record of 37-3 (33), and Stevens was 32 years old and with a record of 29-5 (21). Lemieux stopped Curtis Stevens via KO.
On May 7, 2016 David Lemieux faced off against Glen Tapia in a middleweight bout at age 27. He was coming in with a record of 35-3 (32), and Tapia was 26 years old and with a record of 23-2 (15). Lemieux stopped Glen Tapia via TKO.
On June 11, 2010 David Lemieux faced off against Elvin Ayala in a middleweight bout at age 21. He was coming in with a record of 23-0 (22), and Ayala was 29 years old and with a record of 20-4-1 (9). Lemieux stopped Elvin Ayala via KO.
On December 6, 2014 David Lemieux faced off against Gabriel Rosado in a middleweight bout at age 25. He was coming in with a record of 33-2 (31), and Rosado was 28 years old and with a record of 21-8 (13). Lemieux stopped Gabriel Rosado via TKO.
On October 29, 2010 David Lemieux faced off against Héctor Camacho Jr. in a middleweight bout at age 21. He was coming in with a record of 24-0 (23). Lemieux stopped Héctor Camacho Jr. via KO.
On November 1, 2008 David Lemieux faced off against Patrick Tessier in a super-welterweight bout at age 19. He was coming in with a record of 12-0 (12). Lemieux stopped Patrick Tessier via TKO.
On December 11, 2009 David Lemieux faced off against Delray Raines in a middleweight bout at age 20. He was coming in with a record of 20-0 (20). Lemieux stopped Delray Raines via KO.
On April 3, 2010 David Lemieux faced off against Walid Smichet in a super-middleweight bout at age 21. He was coming in with a record of 22-0 (21). Lemieux stopped Walid Smichet via KO.
