John Gunderson has 16 losses against 16 opponents on his MMA record. For a list of Gunderson's best fights, refer to "Best fights of John Gunderson".
On March 29, 2014 John Gunderson faced off against Chris Gruetzemacher in a welterweight bout at age 33. He was coming in with a record of 34-16-2 (31), and Gruetzemacher was 27 years old and with a record of 11-1 (9). Gunderson lost the fight via 3-round unanimous decision.
On June 14, 2013 John Gunderson faced off against Dan Lauzon in a welterweight bout at age 33. He was coming in with a record of 34-15-2 (31), and Lauzon was 25 years old and with a record of 16-4 (16). Gunderson lost the fight via 3-round unanimous decision.
On July 14, 2012 John Gunderson faced off against David Castillo in a welterweight bout at age 32. He was coming in with a record of 34-14-2 (31). Gunderson lost the fight via 4th-round submission.
On October 1, 2011 John Gunderson faced off against Niko Puhakka in a lightweight bout at age 31. He was coming in with a record of 32-13-2 (29). Gunderson lost the fight via 3-round split decision.
On February 18, 2011 John Gunderson faced off against Dominique Robinson in a lightweight bout at age 30. He was coming in with a record of 31-12-2 (28). Gunderson lost the fight via 3rd-round undefined.
On September 15, 2010 John Gunderson faced off against Yves Edwards in a lightweight bout at age 30. He was coming in with a record of 30-11-2 (27), and Edwards was 33 years old and with a record of 38-16-1 (30). Gunderson lost the fight via 3-round unanimous decision.
On January 2, 2010 John Gunderson faced off against Rafaello Oliveira in a lightweight bout at age 29. He was coming in with a record of 29-10-2 (27), and Oliveira was 27 years old and with a record of 11-3 (7). Gunderson lost the fight via 3-round unanimous decision.
On May 8, 2009 John Gunderson faced off against Bryan Travers in a lightweight bout at age 29. He was coming in with a record of 26-9-2 (24). Gunderson lost the fight via 3-round unanimous decision.
On February 29, 2008 John Gunderson faced off against Ryan Schultz in a lightweight bout at age 27. He was coming in with a record of 24-8-2 (23), and Schultz was 30 years old and with a record of 19-9-1 (14). Gunderson lost the fight via 3-round split decision.
On November 3, 2007 John Gunderson faced off against Wagnney Fabiano at age 27. He was coming in with a record of 24-7-2 (23), and Fabiano was 32 years old and with a record of 7-1 (5). Gunderson lost the fight via 2nd-round submission.
On April 7, 2007 John Gunderson faced off against Bart Palaszewski at age 26. He was coming in with a record of 23-6-2 (22), and Palaszewski was 23 years old and with a record of 26-8 (20). Gunderson lost the fight via 3-round split decision.
On April 30, 2005 John Gunderson faced off against Frank Watts at age 24. He was coming in with a record of 15-5-2 (15). Gunderson lost the fight via 1st-round choke-out.
On November 20, 2004 John Gunderson faced off against Donny Raines at age 24. He was coming in with a record of 13-4-2 (13). Gunderson lost the fight via 1st-round submission.
On October 25, 2003 John Gunderson faced off against Chris Irvine at age 23. He was coming in with a record of 7-3-1 (7). Gunderson lost the fight via 2nd-round submission.
On June 7, 2003 John Gunderson faced off against Chad Nelson at age 23. He was coming in with a record of 5-2-1 (5). Gunderson lost the fight via 1st-round TKO.
On January 11, 2003 John Gunderson faced off against Charlie Fortec at age 22. He was coming in with a record of 1-1 (1). Gunderson lost the fight via 1st-round submission.
