| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Loss | 31–8 (1) | Renan Ferreira | TKO (punches) | PFL vs. Bellator | February 24, 2024 | 1 | 0:21 | Riyadh, Saudi Arabia | For "PFL vs. Bellator Champion of Champions" Super Fights World Heavyweight Championship. |
| Win | 31–7 (1) | Fedor Emelianenko | TKO (punches) | Bellator 290 | February 4, 2023 | 1 | 2:30 | Inglewood, California, United States | Defended the Bellator Heavyweight World Championship. |
| Win | 30–7 (1) | Cheick Kongo | Decision (unanimous) | Bellator 280 | May 6, 2022 | 5 | 5:00 | Paris, France | Defended the Bellator Heavyweight World Championship. Broke the record for the most consecutive Bellator Heavyweight World Championship title defenses (2). |
| Win | 29–7 (1) | Valentin Moldavsky | Decision (unanimous) | Bellator 273 | January 29, 2022 | 5 | 5:00 | Phoenix, Arizona, United States | Defended and unified the Bellator Heavyweight World Championship. |
| Loss | 28–7 (1) | Corey Anderson | TKO (punches) | Bellator 268 | October 16, 2021 | 1 | 0:51 | Phoenix, Arizona, United States | Bellator Light Heavyweight World Grand Prix Semifinal. |
| Win | 28–6 (1) | Lyoto Machida | Decision (unanimous) | Bellator 256 | April 9, 2021 | 5 | 5:00 | Uncasville, Connecticut, United States | Bellator Light Heavyweight World Grand Prix Quarterfinal. |
| Loss | 27–6 (1) | Vadim Nemkov | TKO (head kick and punches) | Bellator 244 | August 21, 2020 | 2 | 3:02 | Uncasville, Connecticut, United States | Lost the Bellator Light Heavyweight World Championship. |
| NC | 27–5 (1) | Cheick Kongo | NC (accidental eye poke) | Bellator 226 | September 7, 2019 | 1 | 3:52 | San Jose, California, United States | Retained the Bellator Heavyweight World Championship. Accidental eye poke rendered Kongo unable to continue. |
| Win | 27–5 | Fedor Emelianenko | TKO (punches) | Bellator 214 | January 26, 2019 | 1 | 0:35 | Inglewood, California, United States | Won the Bellator Heavyweight World Grand Prix and the vacant Bellator Heavyweight World Championship. |
| Win | 26–5 | Matt Mitrione | Decision (unanimous) | Bellator 207 | October 12, 2018 | 3 | 5:00 | Uncasville, Connecticut, United States | Bellator Heavyweight World Grand Prix Semifinal. |
| Win | 25–5 | Muhammed Lawal | TKO (punches) | Bellator 199 | May 12, 2018 | 1 | 0:15 | San Jose, California, United States | Heavyweight debut. Bellator Heavyweight World Grand Prix Quarterfinal. |
| Win | 24–5 | Linton Vassell | TKO (punches) | Bellator 186 | November 3, 2017 | 2 | 3:58 | University Park, Pennsylvania, United States | Defended the Bellator Light Heavyweight World Championship. |
| Win | 23–5 | Phil Davis | Decision (split) | Bellator 180 | June 24, 2017 | 5 | 5:00 | New York City, New York, United States | Won the Bellator Light Heavyweight World Championship. |
| Win | 22–5 | Antônio Rogério Nogueira | TKO (punches) | UFC Fight Night: Bader vs. Nogueira 2 | November 19, 2016 | 3 | 3:51 | São Paulo, Brazil | |
| Win | 21–5 | Ilir Latifi | KO (knee) | UFC Fight Night: Arlovski vs. Barnett | September 3, 2016 | 2 | 2:06 | Hamburg, Germany | Performance of the Night. |
| Loss | 20–5 | Anthony Johnson | KO (punches) | UFC on Fox: Johnson vs. Bader | January 30, 2016 | 1 | 1:26 | Newark, New Jersey, United States | |
| Win | 20–4 | Rashad Evans | Decision (unanimous) | UFC 192 | October 3, 2015 | 3 | 5:00 | Houston, Texas, United States | |
| Win | 19–4 | Phil Davis | Decision (split) | UFC on Fox: Gustafsson vs. Johnson | January 24, 2015 | 3 | 5:00 | Stockholm, Sweden | |
| Win | 18–4 | Ovince Saint Preux | Decision (unanimous) | UFC Fight Night: Bader vs. Saint Preux | August 16, 2014 | 5 | 5:00 | Bangor, Maine, United States | |
| Win | 17–4 | Rafael Cavalcante | Decision (unanimous) | UFC 174 | June 14, 2014 | 3 | 5:00 | Vancouver, British Columbia, Canada | |
| Win | 16–4 | Anthony Perosh | Decision (unanimous) | UFC Fight Night: Hunt vs. Bigfoot | December 7, 2013 | 3 | 5:00 | Brisbane, Australia | |
| Loss | 15–4 | Glover Teixeira | TKO (punches) | UFC Fight Night: Teixeira vs. Bader | September 4, 2013 | 1 | 2:55 | Belo Horizonte, Brazil | |
| Win | 15–3 | Vladimir Matyushenko | Submission (guillotine choke) | UFC on Fox: Johnson vs. Dodson | January 26, 2013 | 1 | 0:50 | Chicago, Illinois, United States | Submission of the Night. |
| Loss | 14–3 | Lyoto Machida | KO (punch) | UFC on Fox: Shogun vs. Vera | August 4, 2012 | 2 | 1:32 | Los Angeles, California, United States | |
| Win | 14–2 | Quinton Jackson | Decision (unanimous) | UFC 144 | February 26, 2012 | 3 | 5:00 | Saitama, Japan | Catchweight (211 lbs) bout; Jackson missed weight. |
| Win | 13–2 | Jason Brilz | KO (punch) | UFC 139 | November 19, 2011 | 1 | 1:17 | San Jose, California, United States | |
| Loss | 12–2 | Tito Ortiz | Submission (guillotine choke) | UFC 132 | July 2, 2011 | 1 | 1:56 | Las Vegas, Nevada, United States | |
| Loss | 12–1 | Jon Jones | Submission (guillotine choke) | UFC 126 | February 5, 2011 | 2 | 4:20 | Las Vegas, Nevada, United States | |
| Win | 12–0 | Antônio Rogério Nogueira | Decision (unanimous) | UFC 119 | September 25, 2010 | 3 | 5:00 | Indianapolis, Indiana, United States | |
| Win | 11–0 | Keith Jardine | KO (flying knee and punch) | UFC 110 | February 21, 2010 | 3 | 2:10 | Sydney, Australia | |
| Win | 10–0 | Eric Schafer | Decision (unanimous) | UFC 104 | October 24, 2009 | 3 | 5:00 | Los Angeles, California, United States | |
| Win | 9–0 | Carmelo Marrero | Decision (unanimous) | UFC Fight Night: Condit vs. Kampmann | April 1, 2009 | 3 | 5:00 | Nashville, Tennessee, United States | |
| Win | 8–0 | Vinny Magalhães | TKO (punches) | The Ultimate Fighter: Team Nogueira vs Team Mir Finale | December 13, 2008 | 1 | 2:18 | Las Vegas, Nevada, United States | Won The Ultimate Fighter 8 Light Heavyweight Tournament. |
| Win | 7–0 | Buckley Acosta | Submission (arm-triangle choke) | XCC 6: Western Threat | April 5, 2008 | 1 | 0:47 | Reno, Nevada, United States | |
| Win | 6–0 | Brad Peterson | Decision (unanimous) | IFO: Fireworks in the Cage IV | December 28, 2007 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Win | 5–0 | Ulises Cortez | KO (suplex and punches) | SE: Vale Tudo | October 27, 2007 | 1 | N/A | Mexico | |
| Win | 4–0 | Dicky Chavez | TKO (punches) | KOTC: Unstoppable | September 15, 2007 | 1 | 0:41 | San Carlos, Arizona, United States | |
| Win | 3–0 | Tim Peacock | TKO (punches) | WFC: Rumble in the Red Rocks | June 9, 2007 | 2 | 2:50 | Camp Verde, Arizona, United States | |
| Win | 2–0 | David Baggett | Submission (rear-naked choke) | Proving Grounds 1 | May 12, 2007 | 1 | N/A | Cayman Islands | |
| Win | 1–0 | Dave Covello | TKO (submission to punches) | Reno Combats: Inferno 2 | March 31, 2007 | 1 | 2:21 | Camp Verde, Arizona, United States | |