Mike Brown has nine losses against nine opponents on his MMA record. For a list of Brown's best fights, refer to "Best fights of Mike Brown".
On August 17, 2013 Mike Brown faced off against Steven Siler in a featherweight bout at age 37. He was coming in with a record of 26-9 (18), and Siler was 26 years old and with a record of 22-10 (15). Brown lost the fight via 1st-round KO.
On January 22, 2011 Mike Brown faced off against Rani Yahya in a featherweight bout at age 35. He was coming in with a record of 24-8 (18), and Yahya was 26 years old and with a record of 15-6 (13). Brown lost the fight via 3-round unanimous decision.
On January 1, 2011 Mike Brown faced off against Diego Nunes in a featherweight bout at age 35. He was coming in with a record of 24-7 (18), and Nunes was 28 years old and with a record of 15-1 (11). Brown lost the fight via 3-round split decision.
On April 24, 2010 Mike Brown faced off against Manvel Gamburyan in a featherweight bout at age 34. He was coming in with a record of 23-6 (17), and Gamburyan was 28 years old and with a record of 10-4 (6). Brown lost the fight via 1st-round KO.
On November 18, 2009 Mike Brown met José Aldo in a featherweight (WEC Championship) title defense fight. Brown was 34 years old and with a record of 22-5 (16), and Aldo was 23 years old and with a record of 15-1 (12). Brown lost the fight via 2nd-round TKO and lost the title.
On December 2, 2005 Mike Brown faced off against Masakazu Imanari in a featherweight bout at age 30. He was coming in with a record of 12-4 (9), and Imanari was 29 years old and with a record of 7-4-2 (4). Brown lost the fight via 2nd-round choke-out.
On October 2, 2004 Mike Brown faced off against Joe Lauzon in a super-welterweight bout at age 29. He was coming in with a record of 9-3 (8), and Lauzon was 20 years old and with a record of 5-0 (5). Brown lost the fight via 3rd-round submission.
On April 2, 2004 Mike Brown faced off against Genki Sudo in a lightweight bout at age 28. He was coming in with a record of 9-2 (8), and Sudo was 26 years old and with a record of 9-3-1 (7). Brown lost the fight via 1st-round submission.
On November 17, 2001 Mike Brown faced off against Hermes França in a lightweight bout at age 26. He was coming in with a record of 2-1 (2), and França was 27 years old and with a record of . Brown lost the fight via 1st-round submission.