Here is a list of Weir's best fights. For a list of Weir's losses, refer to "Mark Weir Losses".
On July 13, 2002 Mark Weir faced off against Eugene Jackson at age 34. He was coming in with a record of 9-1 (9), and Jackson was 35 years old and with a record of 12-6-1 (10). Weir stopped Eugene Jackson via KO.
On September 11, 2004 Mark Weir faced off against Johil de Oliveira at age 36. He was coming in with a record of 13-5 (13), and Oliveira was 35 years old and with a record of 12-7-1 (9). Weir stopped Johil de Oliveira via submission.
On December 3, 2005 Mark Weir faced off against Akira Shoji in a middleweight bout at age 38. He was coming in with a record of 17-9 (17), and Shoji was 31 years old and with a record of 12-12-5 (7). Weir stopped Akira Shoji via KO.
On October 21, 2004 Mark Weir fought Will Bradford in a middleweight title fight for the WEC North American Championship7 title. Weir was 37 years old and with a record of 14-5 (14). Weir stopped Will Bradford via 1st-round submission and is crowned the new WEC middleweight champion.
On July 1, 2001 Mark Weir faced off against Shannon Ritch at age 33. He was coming in with a record of 7-1 (7), and Ritch was 30 years old and with a record of 14-19 (13). Weir stopped Shannon Ritch via submission.
On March 21, 2004 Mark Weir faced off against Alex Reid at age 36. He was coming in with a record of 11-4 (11), and Reid was 28 years old and with a record of 6-0 (5). Weir stopped Alex Reid via TKO.
On November 25, 2000 Mark Weir faced off against Frank Ledroumaguet at age 33. He was coming in with a record of 3-1 (3). Weir stopped Frank Ledroumaguet via submission.
On April 21, 2007 Mark Weir faced off against Daijiro Matsui in a middleweight bout at age 39. He was coming in with a record of 18-12 (17), and Matsui was 34 years old and with a record of 9-16-4 (2). Weir won the fight via 3-round unanimous decision.
On March 27, 2010 Mark Weir fought Jack Mason in a middleweight title fight for Mason's UCMMA Championship title. Weir was 42 years old and with a record of 20-17-1 (19). Weir stopped Jack Mason via 2nd-round KO and is crowned the new middleweight world champion.
On October 25, 2008 Mark Weir faced off against Marius Buzinskas in a welterweight bout at age 41. He was coming in with a record of 19-15 (18). Weir stopped Marius Buzinskas via submission.
