| Derrick Mehmen | |
| Other Names: | Caveman |
| Birth Name: | Derrick Mehmen |
| Birth Date: | 30 May 1985 |
| Birth Place: | Cedar Rapids, Iowa, United States |
| Residence: | Waterloo, Iowa, United States |
| University: | Ellsworth Community College University of Iowa |
| Height: | 6 ft 3 in |
| Weight Lb: | 237 |
| Weight Class: | Light Heavyweight Heavyweight |
| Reach In: | 78 |
| Stance: | Orthodox |
| Fighting Out Of: | Cedar Rapids, Iowa, United States |
| Years Active: | 2006-present |
| Mma Kowin: | 11 |
| Mma Subwin: | 2 |
| Mma Decwin: | 6 |
| Mma Koloss: | 2 |
| Mma Subloss: | 2 |
| Mma Decloss: | 6 |
| Sherdog: | 17137 |
Derrick Mehmen (born May 30, 1985) is an American professional mixed martial artist currently competing in the Heavyweight division for the Titan Fighting Championships. A professional competitor since 2006, Mehmen has also made appearances in Strikeforce, Bellator, and World Series of Fighting.[1]
Mehmen was a two-time conference high school wrestling champion for Denver High School in his hometown of Denver, Iowa, placing fourth in the state meet as a junior. He later became an NJCAA All-American at Ellsworth Community College, placing fifth in the 2007 national meet before transferring to the University of Iowa, where he continued to compete in collegiate wrestling after originally signing a letter of intent to compete for South Dakota State University. Mehmen majored in communication studies.[2] [3] [4]
Mehmen made his Bellator debut against David Branch and lost via submission in the second round.
Mehmen made his Strikeforce debut against Roy Jones and won via unanimous decision. He next fought Gian Villante at and lost via unanimous decision.
On June 17, 2013 it was announced that Mehmen signed a contract with World Series of Fighting where Mehmen has competed as a Heavyweight.[5]
Mehmen fought Rolles Gracie Jr. in a Heavyweight bout on September 14, 2013 at [6] Mehmen won the bout with a one punch knockout in the second round.
Mehmen fought against Scott Barrett at on January 18, 2014.[7] Mehmen won the bout via unanimous decision.
Mehmen faced Dave Huckaba at on June 21, 2014.[8] He won the fight via unanimous decision.
Mehmen faced Smealinho Rama for the inaugural WSOF Heavyweight Championship at on October 11, 2014.[9] He lost the fight via TKO in the first round.
Mehmen challenged Blagoy Ivanov for the WSOF Heavyweight Championship at on October 17, 2015.[10] He lost the fight via TKO in the second round.
Mehmen is married and has a daughter. divorced and has a second daughter
|-| Loss| align=center| 19–10| Mikhail Mokhnatkin| Decision (unanimous)| Fight Nights Global 75: Deák vs. Chistyakov| | align=center| 3| align=center| 5:00| Saint Petersburg, Russia||-| Loss| align=center| 19–9| Alexei Kudin| Decision (split)| Fight Nights Global 64: Nam vs. Bagautinov| | align=center| 3| align=center| 5:00| Moscow, Russia||-| Loss| align=center| 19–8| D.J. Linderman| Decision (unanimous)| Titan FC 40| | align=center| 3| align=center| 5:00| Coral Gables, Florida, United States||-| Loss| align=center| 19–7| Blagoy Ivanov| TKO (punches)| WSOF 24| | align=center| 2| align=center| 4:33| Mashantucket, Connecticut, United States| |-| Win| align=center| 19–6| Brett Rogers| Decision (unanimous)| Abu Dhabi Warriors 2| | align=center| 3| align=center| 5:00| Abu Dhabi, United Arab Emirates| |-| Loss| align=center| 18–6| Smealinho Rama| TKO (punches)| WSOF 14| | align=center| 1| align=center| 0:51| Edmonton, Alberta, Canada| |-| Win| align=center| 18–5| Dave Huckaba| Decision (unanimous)| WSOF 10| | align=center| 3| align=center| 5:00| Las Vegas, Nevada, United States| |-| Win| align=center| 17–5| Scott Barrett| Decision (unanimous)| WSOF 8| | align=center| 3| align=center| 5:00| Hollywood, Florida, United States| |-| Win| align=center| 16–5| Rolles Gracie Jr.| KO (punch)| WSOF 5| | align=center| 2| align=center| 2:40| Atlantic City, New Jersey, United States| |-| Win| align=center| 15–5| Louis DeWerdt| Decision (unanimous)| Pinnacle Combat 13| | align=center| 3| align=center| 5:00| Dubuque, Iowa, United States| |-| Win| align=center| 14–5| Patrick Harman| Submission (rear-naked choke)| Pinnacle Combat 11| | align=center| 1| align=center| 4:20| Dubuque, Iowa, United States| |-| Win| align=center| 13–5| John Reed| TKO (punches)| Iowa Challenge 71| | align=center| 1| align=center| 1:12| Cedar Rapids, Iowa, United States| |-| Loss| align=center| 12–5| Gian Villante| Decision (unanimous)| | | align=center| 3| align=center| 5:00| San Jose, California, United States| |-| Loss| align=center| 12–4| Rodney Wallace| Decision (unanimous)| WMMA 1: Fighting for a Better World| | align=center| 3| align=center| 5:00| El Paso, Texas, United States| |-| Win| align=center| 12–3| Roy Jones| Decision (unanimous)| Strikeforce Challengers: Gurgel vs. Duarte| | align=center| 3| align=center| 5:00| Las Vegas, Nevada, United States| |-| Win| align=center| 11–3| Matt Thompson| Decision (unanimous)| Fight Time 4: MMA Heavyweight Explosion| | align=center| 3| align=center| 5:00| Fort Lauderdale, Florida, United States| |-| Loss| align=center| 10–3| Gareth Joseph| Decision (split)| World Extreme Fighting 45| | align=center| 3| align=center| 5:00| Jacksonville, Florida, United States| |-| Win| align=center| 10–2| Chase Waldon| TKO (punches)| Brutaal: Fight Night| | align=center| 1| align=center| 1:14| Red Wing, Minnesota, United States| |-| Win| align=center| 9–2| Demetrius Richards| TKO (punches)| The Cage Inc: Battle at the Border 5| | align=center| 1| align=center| 4:09| Hankinson, North Dakota, United States| |-| Loss| align=center| 8–2| David Branch| Submission (rear-naked choke)| Bellator 15| | align=center| 2| align=center| 0:26| Uncasville, Connecticut, United States| Catchweight of 190 lbs.|-| Win| align=center| 8–1| Eric Poling| TKO (punches)| Soldiers of Fortune 1| | align=center| 1| align=center| 2:50| Coralville, Iowa, United States| |-| Win| align=center| 7–1| Todd Monaghan| TKO (punches)| Mainstream MMA: Mehmen vs. Monaghan | | align=center| 1| align=center| 1:33| Dubuque, Iowa, United States| |-| Win| align=center| 6–1| Kyle Davis| Submission (choke)| Brutaal Fight Night: David and Goliath| | align=center| 3| align=center| 0:42| Ames, Iowa, United States| |-| Win| align=center| 5–1| Lamar Coleman| TKO (punches)| Brutaal Fight Night: March Badness| | align=center| 1| align=center| 2:00| Maplewood, Minnesota, United States| |-| Loss| align=center| 4–1| Mike Ciesnolevicz| Submission (guillotine choke)| Adrenaline MMA 2: Miletich vs. Denny| | align=center| 1| align=center| 1:46| Moline, Illinois, United States| |-| Win| align=center| 4–0| Karl Kelly| TKO (punches)| Mainstream MMA 10: Reloaded| | align=center| 1| align=center| N/A| Dubuque, Iowa, United States| |-| Win| align=center| 3–0| Rashad Brooks| TKO (punches)| Mainstream MMA 9: New Era| | align=center| 1| align=center| N/A| Cedar Rapids, Iowa, United States| |-| Win| align=center| 2–0| Pete Staranko| TKO (punches)| Mainstream MMA 5: Heavy Duty| | align=center| 1| align=center| N/A| Cedar Rapids, Iowa, United States| |-| Win| align=center| 1–0| Jeremy Norwood| TKO (punches)| Iowa Challenge 30| | align=center| 2| align=center| 0:53| Waterloo, Iowa, United States|