| Niederlage | 38-22 | Mingyang Zhang  | TKO (Elbows) |  | UFC Fight Night: Machado Garry vs Prates | Apr 26, 2025 | 1 | 4:03 | Kansas City, Missouri, United States  |
| Niederlage | 38-21 | Dominick Reyes | TKO (Elbows and Punches) |  | UFC 310: Pantoja vs Asakura | Dec 07, 2024 | 2 | 4:46 | Las Vegas, Nevada, United States |
| Niederlage | 38-20 | Roman Dolidze  | Decision (Unanimous) |  | UFC 303: Pereira vs Procházka 2 | Jun 29, 2024 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 38-19 | Vitor Petrino | Submission (Guillotine Choke) |  | UFC 301: Pantoja vs Erceg | May 04, 2024 | 1 | 2:00 | Rio de Janeiro, Brazil  |
| Niederlage | 37-19 | Khalil Rountree | TKO (Punches) |  | UFC Fight Night: Song vs Gutierrez | Dec 09, 2023 | 3 | 0:56 | Las Vegas, Nevada, United States |
| Sieg | 37-18 | Ryan Spann | Decision (Split) |  | UFC Fight Night: Holloway vs Korean Zombie | Aug 26, 2023 | 3 | 5:00 | Singapore Indoor Stadium, Kallang, Singapore  |
| Niederlage | 36-18 | Johnny Walker | Decision (Unanimous) |  | UFC Fight Night: Rozenstruik vs Almeida | May 13, 2023 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Niederlage | 36-17 | Magomed Ankalaev  | TKO (Punches) |  | UFC 277: Peña vs Nunes 2 | Jul 30, 2022 | 2 | 3:09 | Dallas, Texas, United States |
| Sieg | 36-16 | Ryan Spann | Submission (Rear-Naked Choke) |  | UFC Fight Night: Smith vs Spann | Sep 18, 2021 | 1 | 3:47 | Las Vegas, Nevada, United States |
| Sieg | 35-16 | Jimmy Crute  | TKO (Doctor Stoppage) |  | UFC 261: Usman vs Masvidal 2 | Apr 24, 2021 | 1 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 34-16 | Devin Clark | Submission (Triangle Choke) |  | UFC Fight Night: Smith vs Clark | Nov 28, 2020 | 1 | 2:34 | Las Vegas, Nevada, United States |
| Niederlage | 33-16 | Aleksandar Rakić  | Decision (Unanimous) |  | UFC Fight Night 175: Smith vs Rakic | Aug 29, 2020 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Niederlage | 33-15 | Glover Teixeira | TKO (Punches) |  | UFC Fight Night: Smith vs Teixeira | May 13, 2020 | 5 | 1:04 | Jacksonville, Florida, United States |
| Cancelled Bout | | Glover Teixeira | - |  | UFC on ESPN+ 31: Smith vs Teixeira | Apr 25, 2020 | - | - | Lincoln, Nebraska, United States |
| Sieg | 33-14 | Alexander Gustafsson  | Submission (Rear-Naked Choke) |  | UFC on ESPN+ 10: Gustafsson vs Smith | Jun 01, 2019 | 4 | 2:38 | Stockholm, Sweden |
| Niederlage | 32-14 | Jon Jones | Decision (Unanimous) |  | UFC 235 | Mar 02, 2019 | 5 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 32-13 | Volkan Oezdemir  | Submission (Rear-Naked Choke) |  | UFC Fight Night 138: Volkan vs Smith | Oct 27, 2018 | 3 | 4:26 | Moncton, New Brunswick, Canada  |
| Sieg | 31-13 | Mauricio Rua | KO (Elbow) |  | UFC Fight Night 134: Shogun vs Smith | Jul 22, 2018 | 1 | 1:29 | Hamburg, Germany |
| Sieg | 30-13 | Rashad Evans | KO (Knee) |  | UFC 225 | Jun 09, 2018 | 1 | 0:53 | Chicago, Illinois, United States |
| Niederlage | 29-13 | Thiago Santos | TKO (Kick to the Body and Punches) |  | UFC Fight Night 125 | Feb 03, 2018 | 2 | 1:03 | Belem, Para, Brazil |
| Sieg | 29-12 | Hector Lombard  | TKO (punches) |  | UFC Fight Night 116: Rockhold vs Branch | Sep 16, 2017 | 3 | 2:33 | Pittsburgh, Pennsylvania, United States |
| Sieg | 28-12 | Andrew Sanchez | KO (head kick and punches) |  | UFC on Fox: Johnson vs. Reis | Apr 09, 2017 | 3 | 3:52 | Kansas City, Missouri, United States |
| Sieg | 27-12 | Elvis Mutapcic  | TKO (elbow and punches) |  | UFC: The Ultimate Fighter 24 Finale | Dec 03, 2016 | 2 | 3:27 | Las Vegas, Nevada, United States |
| Niederlage | 26-12 | Cezar Ferreira | Decision (unanimous) |  | The Ultimate Fighter 23 Finale | Jul 08, 2016 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 26-11 | Leonardo Augusto Guimarães | Decision (unanimous) |  | UFC Fight Night: Cowboy vs. Cowboy | Feb 21, 2016 | 3 | 5:00 | Pittsburgh, Pennsylvania, United States |
| Sieg | 25-11 | Josh Neer | TKO (punches) |  | VFC 47 | Jan 14, 2016 | 1 | 3:27 | Omaha, Nebraska, United States |
| Sieg | 24-11 | Brock Jardine | TKO (punches) |  | RFA 30: Smith vs. Jardine | Sep 18, 2015 | 1 | 3:00 | Lincoln, Nebraska, United States |
| Sieg | 23-11 | Tim Williams | TKO (knee) |  | CFFC 50: Williams vs. Smith II | Jul 18, 2015 | 1 | 1:02 | Atlantic City, New Jersey, United States |
| Sieg | 22-11 | Tim Williams | Submission (inverted triangle choke) | | CFFC 46: Williams vs. Smith | Feb 28, 2015 | 2 | 1:15 | Chester, Pennsylvania, United States |
| Sieg | 21-11 | Andrew Kapel | Submission (rear-naked choke) |  | EB: Beatdown at 4 Bears 12 | Nov 29, 2014 | 1 | 2:18 | New Town, North Dakota, United States |
| Sieg | 20-11 | Brian Green | Decision (unanimous) |  | Bellator 129 | Oct 17, 2014 | 3 | 5:00 | Council Bluffs, Iowa, United States |
| Sieg | 19-11 | Victor Moreno | Submission (triangle choke) |  | Bellator 117 | Apr 18, 2014 | 2 | 0:59 | Council Bluffs, Iowa, United States |
| Niederlage | 18-11 | Josh Neer | Submission (rear-naked choke) |  | VFC 41 | Dec 14, 2013 | 3 | 3:48 | Ralston, Nebraska, United States |
| Niederlage | 18-10 | Antonio Braga Neto | Submission (kneebar) |  | UFC on Fuel TV: Nogueira vs. Werdum | Jun 08, 2013 | 1 | 1:52 | Fortaleza, Brazil |
| Niederlage | 18-9 | Roger Gracie | Submission (arm triangle choke) |  | Strikeforce: Marquardt vs Saffiedine | Jan 12, 2013 | 2 | 3:16 | Oklahoma City, United States |
| Sieg | 18-8 | Lumumba Sayers | Submission (triangle choke) | | Strikeforce: Rousey vs. Kaufman | Aug 18, 2012 | 1 | 3:52 | San Diego, California, United States |
| Sieg | 17-8 | Richard White | TKO (punches) | | Disorderly Conduct: Fireworks | Jun 30, 2012 | 1 | 2:35 | Nebraska City, Nebraska, United States |
| Sieg | 16-8 | Ian Berg | Submission (arm-triangle choke) | | VFC: Victory Fighting Championship 37 | Apr 13, 2012 | 2 | 2:01 | Council Bluffs, Iowa, United States |
| Niederlage | 15-8 | Adlan Amagov | KO (punches) |  | Strikeforce Challengers: Britt vs. Sayers | Nov 18, 2011 | 1 | 2:32 | Las Vegas, Nevada, United States |
| Sieg | 15-7 | Ben Lagman | KO (punch) | | Strikeforce Challengers: Voelker vs. Bowling III | Jul 22, 2011 | 2 | 0:33 | Las Vegas, Nevada, United States |
| Sieg | 14-7 | Curtis Johnson | KO (punches) | | CFC 6: Slugfest | Jul 09, 2011 | 1 | 3:13 | Lincoln, Nebraska, United States |
| Sieg | 13-7 | Eric Schambari | TKO (punches) | | C3 Fights: MMA Championship Fights | Jun 04, 2011 | 1 | 1:46 | Concho, Oklahoma, United States |
| Sieg | 12-7 | Matt Gabel | Submission (triangle choke) | | EC: Extreme Challenge 181 | Apr 15, 2011 | 1 | 1:50 | Council Bluffs, Iowa, United States |
| Sieg | 11-7 | Demetrius Richards | TKO (punches) | | Extreme Challenge: Bad Blood | Feb 11, 2011 | 2 | 2:07 | Council Bluffs, Iowa, United States |
| Sieg | 10-7 | Ben Crowder | KO (punch) | | CFC 2: Season's Beatings | Dec 17, 2010 | 1 | 1:09 | Lincoln, Nebraska, United States |
| Niederlage | 9-7 | Jesse Forbes | TKO (punches) | | Crowbar MMA: Fall Brawl | Sep 11, 2010 | 2 | 1:28 | Fargo, North Dakota, United States |
| Sieg | 9-6 | Logan Clark | TKO (doctor stoppage) | | Seconds Out / Vivid MMA: Havoc at the Hyatt 2 | Jun 19, 2010 | 2 | 2:22 | Minneapolis, Minnesota, United States |
| Sieg | 8-6 | Lucas St. Claire | Submission (armbar) | | MF: Max Fights 10 | May 08, 2010 | 1 | 3:19 | East Grand Forks, Minnesota, United States |
| Sieg | 7-6 | Mike George | KO (punch) | | TriState Cage Fights: Island Warfare | Apr 17, 2010 | 1 | 0:22 | Grand Island, Nebraska, United States |
| Sieg | 6-6 | James Brasco | TKO (Doctor Stoppage) | | XKL - Evolution 1 | Mar 20, 2010 | 1 | 1:21 | Ypsilanti, Michigan, United States |
| Niederlage | 5-6 | Jake Hecht | TKO (punches) | | VFC 30: Night of Champions | Feb 05, 2010 | 3 | 4:35 | Council Bluffs, Iowa, United States |
| Niederlage | 5-5 | Mike Pitz | TKO (punches) | | FCI: Fight Club Inc. | Jul 25, 2009 | 2 | 3:21 | Addison, Illinois, United States |
| Niederlage | 5-4 | Chaun Sims | TKO (punches) | | Fight To Win: Colorado vs. Nebraska | Mar 14, 2009 | 2 | 2:00 | Denver, Colorado, United States |
| Niederlage | 5-3 | Brian Monahan | Submission (armbar) | | VFC 26: Onslaught | Feb 20, 2009 | 1 | N/A | Council Bluffs, Iowa, United States |
| Sieg | 5-2 | Rico Washington Sr. | TKO (punches) | | MCS: Minnesota Combat Sports | Jan 09, 2009 | 1 | 0:54 | Maplewood, Minnesota, United States |
| Niederlage | 4-2 | Charley Lynch | TKO (punches) | | Brutaal: Fight Night | Nov 06, 2008 | 1 | 3:12 | Maplewood, Minnesota, United States |
| Sieg | 4-1 | Chuck Parmelee | Submission (choke) | | Torment: MMA | Sep 20, 2008 | 2 | 1:26 | Lincoln, Nebraska, United States |
| Niederlage | 3-1 | Chuck Parmelee | TKO (punches) | | TCF: TriState Cage Fights | Jun 14, 2008 | 2 | N/A | Yankton, South Dakota, United States |
| Sieg | 3-0 | Ricky Duvall | N/A | | VFC 23: Validation | May 09, 2008 | - | N/A | Council Bluffs, Iowa, United States |
| Sieg | 2-0 | Jeremy Shepherd | Submission (choke) | | PP: Pugilistic Productions | Mar 22, 2008 | 2 | 2:13 | Lincoln, Nebraska, United States |
| Sieg | 1-0 | Dave Moran | Submission (armbar) | | VFC 22: Ascension | Feb 29, 2008 | 2 | 1:19 | Sioux City, Iowa, United States |
