Mike Pierce has seven losses against seven opponents on his MMA record. For a list of Pierce's best fights, refer to "Best fights of Mike Pierce".
On December 11, 2015 Mike Pierce faced off against Ryan LaFlare in a welterweight bout at age 35. He was coming in with a record of 17-7 (9), and LaFlare was 32 years old and with a record of 11-1 (7). Pierce lost the fight via 3-round unanimous decision.
On October 9, 2013 Mike Pierce faced off against Rousimar Palhares in a welterweight bout at age 33. He was coming in with a record of 17-6 (9), and Palhares was 33 years old and with a record of 14-6 (11). Pierce lost the fight via 1st-round submission.
On February 4, 2012 Mike Pierce faced off against Josh Koscheck in a welterweight bout at age 31. He was coming in with a record of 13-5 (7), and Koscheck was 34 years old and with a record of 16-5 (10). Pierce lost the fight via 3-round split decision.
On August 6, 2011 Mike Pierce faced off against Johny Hendricks in a welterweight bout at age 30. He was coming in with a record of 12-4 (7), and Hendricks was 27 years old and with a record of 10-1 (7). Pierce lost the fight via 3-round split decision.
On December 12, 2009 Mike Pierce faced off against Jon Fitch in a welterweight bout at age 29. He was coming in with a record of 9-3 (5), and Fitch was 31 years old and with a record of 21-3 (11). Pierce lost the fight via 3-round unanimous decision.
On June 20, 2008 Mike Pierce faced off against Nathan Coy in a welterweight bout at age 27. He was coming in with a record of 3-2 (2), and Coy was 29 years old and with a record of 4-0 (3). Pierce lost the fight via 5-round unanimous decision.
On September 22, 2007 Mike Pierce faced off against Mark Muñoz in a middleweight bout at age 27. He was coming in with a record of 1-1 (1), and Muñoz was 29 years old and with a record of 1-0 (1). Pierce lost the fight via 3-round unanimous decision.