Not listed on the current UFC roster

Dennis Olson

Full professional career25 verified opponent profilesRecursive links active
DO
14–12–0PROFESSIONAL RECORD · W–L–D
CAREER SNAPSHOT

THE COMPLETE RECORD

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14Professional wins
12Professional losses
0Draws
0No contests
FULL PROFESSIONAL CAREER

EVERY RECORDED BOUT

Complete professional fight history, including competition before and outside UFC. Use the controls to isolate an opponent, promotion, method or result.

14–12–026 professional boutsNo no-contest results
26 of 26 bouts shown
ResultDate / recordOpponentEventFinish details
L14–12–0 after boutAaron JefferyView status and profile →Combat Zone 71 - PrevailTKO (Corner Stoppage)Round 2 Time 1:43 Referee Not listed
L14–11–0 after boutChuck O'NeilView status and profile →CES MMA 33 - Soukhamthath vs. NordbyDecision (Unanimous)Round 3 Time 5:00 Referee Dan Miragliotta
L14–10–0 after boutBrennan WardView status and profile →Bellator 144 - Halsey vs. CarvalhoKO (Punches)Round 1 Time 4:37 Referee John McCarthy
L14–9–0 after boutPaul DaleyView status and profile →Bellator 140 - Lima vs. KoreshkovTKO (Punches)Round 2 Time 1:12 Referee Dan Miragliotta
W14–8–0 after boutJarod LawtonView status and profile →NEF - Fight Night 17Decision (Split)Round 3 Time 5:00 Referee Not listed
L13–8–0 after boutBrett OteriView status and profile →CES MMA 20 - Classic Entertainment and Sports 20Submission (Kimura)Round 2 Time 2:16 Referee Not listed
W13–7–0 after boutTodd ChattelleView status and profile →CES MMA 16 - Path to DestructionSubmission (North-South Choke)Round 1 Time 2:45 Referee Not listed
L12–7–0 after boutJohn HowardView status and profile →CFA 3 - Howard vs. OlsonDecision (Unanimous)Round 3 Time 5:00 Referee Frank Gentile
W12–6–0 after boutChandler HoldernessView status and profile →CZ 38 - Brawling at The RockSubmission (Guillotine Choke)Round 1 Time 3:26 Referee Not listed
L11–6–0 after boutThomas MoreauView status and profile →GFL 9 - Smith vs. Gonzalez 2TKO (Punches)Round 2 Time 4:38 Referee Not listed
L11–5–0 after boutRick HawnView status and profile →Triumph Fighter 2 - InfernoTKO (Punches)Round 2 Time 2:02 Referee Not listed
L11–4–0 after boutDan CramerView status and profile →BFC - Bellator Fighting Championships 15Decision (Unanimous)Round 3 Time 5:00 Referee Dan Miragliotta
W11–3–0 after boutNuri ShakirView status and profile →Triumph Fighter 1 - SupremacySubmission (Brabo Choke)Round 1 Time 1:55 Referee Not listed
W10–3–0 after boutMike DolceView status and profile →NBF - New Breed Fighters 28Submission (Guillotine Choke)Round 3 Time 3:17 Referee Dan Miragliotta
W9–3–0 after boutJon ManleyView status and profile →CZ 30 - Triple X at The RockDecision (Unanimous)Round 3 Time 5:00 Referee Not listed
W8–3–0 after boutRyan SchiedingView status and profile →WCF - World Championship Fighting 8Submission (Armbar)Round 1 Time 1:04 Referee Not listed
L7–3–0 after boutDavid BranchView status and profile →BFC - Bellator Fighting Championships 11Submission (Rear-Naked Choke)Round 1 Time 2:27 Referee Jerry Krzys
W7–2–0 after boutJeff SoucieView status and profile →CZ 28 - The Rock 3Submission (Rear-Naked Choke)Round 2 Time 2:07 Referee Not listed
W6–2–0 after boutMike LittlefieldView status and profile →GFL 2 - Global Fight League 2Submission (Guillotine Choke)Round 1 Time 0:51 Referee Not listed
W5–2–0 after boutEric HenryView status and profile →Cage Fight - MMA 3Decision (Unanimous)Round 3 Time 4:00 Referee Not listed
W4–2–0 after boutTodd SolekView status and profile →CZ 26 - The RockTechnical Submission (Armbar)Round 1 Time 0:18 Referee Not listed
L3–2–0 after boutWoody WeatherbyView status and profile →Reality Fighting - High ImpactSubmission (Armbar)Round 1 Time 1:52 Referee Not listed
W3–1–0 after boutTodd ChattelleView status and profile →ICE Fighter - Mansfield MassacreDecision (Unanimous)Round Time 0:00 Referee Not listed
W2–1–0 after boutCasey TierneyView status and profile →Reality Fighting - DominationTKO (Punches)Round 1 Time 2:25 Referee Not listed
L1–1–0 after boutEric MageeView status and profile →WFL 11 - Calloway Cup 2TKO (Punches)Round 1 Time 0:00 Referee Not listed
W1–0–0 after boutRafael PortoView status and profile →WFL 9 - Calloway Cup 1Submission (Guillotine Choke)Round 1 Time 0:00 Referee Not listed
DATA CHECKEDAug 20, 2026
PRIMARY RECORD SOURCESherdog Fight Finder

Fight Atlas republishes factual bout results, not source articles or photography. Belt markers appear only when championship status is confirmed by an official promotion source; unverified bouts are never inferred. The matched source name for this profile is Dennis Olson.

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RECURSIVE COVERAGE

Every verified opponent opens another full career

26 professional bout rows are displayed from the source record. 25 unique opponent identities have a stable source ID and an internal Fight Atlas route. Every opponent row has a verified identity link.

Source and correction standard

The complete professional history is retrieved from the established public fight-record source and cached for up to 24 hours. Current-roster status remains separate from historical career data and does not imply retirement.

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