| Niederlage | 29-7 (1) | Cung Le  | KO (punch) | | UFC on Fuel TV 6: Franklin vs Le | Nov 10, 2012 | 1 | 2:17 | Cotai Strip, Macau, China |
| Sieg | 29-6 (1) | Wanderlei Silva  | Decision (unanimous) | | UFC 147: Silva vs Franklin 2 | Jun 29, 2012 | 5 | 5:00 | Rio de Janeiro, Brazil |
| Niederlage | 28-6 (1) | Forrest Griffin  | Decision (unanimous) |  | UFC 126 | Feb 05, 2011 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 28-5 (1) | Chuck Liddell | KO (punch) |  | UFC 115 | Jun 12, 2010 | 1 | 4:55 | Vancouver, Canada |
| Niederlage | 27-5 (1) | Vitor Belfort | KO (punches) |  | UFC 103 | Sep 19, 2009 | 1 | 3:02 | Dallas, Texas, United States |
| Sieg | 27-4 (1) | Wanderlei Silva | Decision (unanimous) |  | UFC 99 | Jun 13, 2009 | 3 | 5:00 | Cologne, Germany |
| Niederlage | 26-4 (1) | Dan Henderson | Decision (split) | | UFC 93 | Jan 17, 2009 | 3 | 5:00 | Dublin, Ireland |
| Sieg | 26-3 (1) | Matt Hamill | TKO (body kick) | | UFC 88 | Sep 06, 2008 | 3 | 0:39 | Atlanta, Georgia, United States |
| Sieg | 25-3 (1) | Travis Lutter | TKO (punches) | | UFC 83 | Apr 19, 2008 | 2 | 3:01 | Montreal, Canada |
| Niederlage | 24-3 (1) | Anderson Silva | TKO (knees) |  | UFC 77 | Oct 20, 2007 | 2 | 1:07 | Cincinnati, Ohio, U.S. |
| Sieg | 24-2 (1) | Yushin Okami  | Decision (unanimous) |  | UFC 72 | Jun 16, 2007 | 3 | 5:00 | Belfast, Northern Ireland |
| Sieg | 23-2 (1) | Jason MacDonald | TKO (corner stoppage) | | UFC 68 | Mar 03, 2007 | 2 | 5:00 | Columbus, Ohio |
| Niederlage | 22-2 (1) | Anderson Silva | KO (knee) |  | UFC 64 | Oct 14, 2006 | 1 | 2:59 | Las Vegas, Nevada, U.S. |
| Sieg | 22-1 (1) | David Loiseau | Decision (unanimous) | | UFC 58 | Mar 04, 2006 | 5 | 5:00 | Las Vegas, Nevada |
| Sieg | 21-1 (1) | Nathan Quarry | KO (punch) | | UFC 56 | Nov 19, 2005 | 1 | 2:34 | Las Vegas, Nevada |
| Sieg | 20-1 (1) | Evan Tanner | TKO (doctor stoppage) | | UFC 53 | Jun 04, 2005 | 4 | 3:25 | Newark, New Jersey |
| Sieg | 19-1 (1) | Ken Shamrock | TKO (punches) | | The Ultimate Fighter 1 Finale | Apr 09, 2005 | 1 | 2:42 | Las Vegas, Nevada |
| Sieg | 18-1 (1) | Curtis Stout | Submission (punches) | | SuperBrawl 38 | Dec 12, 2004 | 2 | 1:28 | Hawaii, United States |
| Sieg | 17-1 (1) | Jorge Rivera | Submission (armbar) | | UFC 50 | Oct 22, 2004 | 3 | 4:28 | New Jersey, United States |
| Sieg | 16-1 (1) | Ralph Dilon | Submission (kimura) | | Alaska Fighting Championship | Jul 14, 2004 | 1 | 0:56 | Alaska, United States |
| Sieg | 15-1 (1) | Leo Sylvest | Submission (punches) | | Super Brawl 35 | Apr 16, 2004 | 1 | 1:13 | Hawaii, United States |
| Niederlage | 14-1 (1) | Lyoto Machida | TKO (head kick and punches) | | Inoki Bom-Ba-Ye 2003 | Dec 31, 2003 | 2 | 1:03 | Kobe, Hyogo, Japan |
| Sieg | 14-0 (1) | Edwin Dewees | TKO (punches and knees) | | UFC 44 | Sep 26, 2003 | 1 | 3:32 | Las Vegas, Nevada |
| Sieg | 13-0 (1) | Roberto Ramirez | KO (punch) | | Battleground 1: War Cry | Jul 19, 2003 | 1 | 0:10 | Illinois, United States |
| Sieg | 12-0 (1) | Evan Tanner | TKO (punches) | | UFC 42 | Apr 25, 2003 | 1 | 2:40 | Miami, Florida, United States |
| Sieg | 11-0 (1) | Antony Rea  | TKO (punches) | | UCC Hawaii: Eruption in Hawaii | Sep 17, 2002 | 1 | 2:46 | Hawaii, United States |
| Sieg | 10-0 (1) | Yan Pellerin | Submission (armbar) | | UCC 10: Battle for the Belts 2002 | Jun 15, 2002 | 1 | 3:23 | Quebec, Canada |
| Sieg | 9-0 (1) | Marvin Eastman | Submission (armbar) | | World Fighting Alliance 1 | Nov 03, 2001 | 1 | 1:02 | Nevada, United States |
| Sieg | 8-0 (1) | Dennis Reed | Submission (punches) | | Extreme Challenge Trials | Aug 05, 2001 | 1 | 1:38 | Ohio, United States |
| Sieg | 7-0 (1) | Chris Seifert | Submission (punches) | | Extreme Challenge 41 | Jul 13, 2001 | 2 | 1:45 | Iowa, United States |
| Sieg | 6-0 (1) | Travis Fulton | TKO (broken hand) | | RINGS USA: Battle of Champions | Mar 17, 2001 | 1 | 5:00 | Iowa, United States |
| NC | 5-0 (1) | Aaron Brink | No Contest (foot injury) | | IFC: Warriors Challenge 11 | Jan 13, 2001 | 1 | 2:42 | California, United States |
| Sieg | 5-0 | Dennis Reed | Submission (armbar) | | Extreme Challenge 35 | Jun 29, 2000 | 1 | 1:56 | Iowa, United States |
| Sieg | 4-0 | Gary Myers | KO (head kick) | | WEF 9: World Class | May 13, 2000 | 3 | 0:59 | Indiana, United States |
| Sieg | 3-0 | Rob Smith | TKO (punches) | | Extreme Challenge 31 | Mar 24, 2000 | 1 | 2:30 | Wisconsin, United States |
| Sieg | 2-0 | Eugene Pinault | Submission (punches) | | Extreme Challenge: Trials | Oct 04, 1999 | 1 | 1:27 | Iowa, United States |
| Sieg | 1-0 | Michael Martin | KO (head kick) | | World Extreme Fighting 6 | Jun 19, 1999 | 1 | 0:21 | Wheeling, West Virginia |
