Shane Nelson has seven losses against seven opponents on his MMA record. For a list of Nelson's best fights, refer to "Best fights of Shane Nelson".
On October 26, 2012 Shane Nelson faced off against Graham Spencer at age 27. He was coming in with a record of 15-7 (8). Nelson lost the fight via 3-round unanimous decision.
On February 12, 2012 Shane Nelson faced off against Takasuke Kume at age 27. He was coming in with a record of 15-6 (8), and Kume was 26 years old and with a record of 10-1-4 (7). Nelson lost the fight via 2nd-round submission.
On December 12, 2009 Shane Nelson faced off against Matt Wiman at age 25. He was coming in with a record of 12-5 (5), and Wiman was 26 years old and with a record of 10-5 (7). Nelson lost the fight via 3-round unanimous decision.
On August 8, 2009 Shane Nelson faced off against Aaron Riley at age 24. He was coming in with a record of 12-4 (5), and Riley was 28 years old and with a record of 28-11-1 (19). Nelson lost the fight via 3-round unanimous decision.
On March 18, 2006 Shane Nelson faced off against Jamal Perkins at age 21. He was coming in with a record of 4-3 (3). Nelson lost the fight via 3-round unanimous decision.
On October 7, 2005 Shane Nelson faced off against Robert Villapondo at age 20. He was coming in with a record of 3-2 (2). Nelson lost the fight via 2-round majority decision.
On July 9, 2005 Shane Nelson faced off against Harris Sarmiento at age 20. He was coming in with a record of 3-1 (2). Nelson lost the fight via 2-round unanimous decision.