| Last Fight: | Jonathan Martinez |
| Age: | 41 |
| Height | 5'8" |
| Weight | 135 lbs |
| Nick Name: | "Killer" |
| Nationality: | United States |
| Association: | UFC Gym Costa Mesa |
| Residence | Palm Springs, California, United States |
| Reach | 70 in (178 cm) |
| Team | Jackson Wink MMA (until 2018) The Treigning Lab (2017–2019) UFC GYM Costa Mesa (2017–present) |
| Trainer | Greg Jackson Joel Díaz Rigan Machado |
| Rank | Black belt in Brazilian Jiu-Jitsu under Rigan Machado |
| Years active | 2004–present |
| Spouse | Kenda Perez |
| Children | Royal Rae Swanson King Cub Swanson Saint Cub Swanson |
| W / L | Opponent | Event/Date | Method | Referee | Round | Time |
|---|---|---|---|---|---|---|
| loss | Jonathan Martinez | UFC Fight Night 212 - Grasso vs. Araujo Oct/15/2022 |
TKO (Leg Kick) | Herb Dean | 2 | 4:19 |
| win | Darren Elkins | UFC Fight Night 199 - Lewis vs. Daukaus Dec/18/2021 |
TKO (Spinning Wheel Kick and Punches) | Herb Dean | 1 | 2:12 |
| loss | Giga Chikadze | UFC on ESPN 23 - Reyes vs. Prochazka May/01/2021 |
TKO (Body Kick and Punches) | Jason Herzog | 1 | 1:03 |
| win | Daniel Pineda | UFC 256 - Figueiredo vs. Moreno Dec/12/2020 |
KO (Punches) | Mark Smith | 2 | 1:52 |
| win | Kron Gracie | UFC Fight Night 161 - Jedrzejczyk vs. Waterson Oct/12/2019 |
Decision (Unanimous) | Kevin MacDonald | 3 | 5:00 |
| loss | Shane Burgos | UFC Fight Night 151 - Iaquinta vs. Cowboy May/04/2019 |
Decision (Split) | Yves Lavigne | 3 | 5:00 |
| loss | Renato Carneiro | UFC 227 - Dillashaw vs. Garbrandt 2 Aug/04/2018 |
Submission (Rear-Naked Choke) | Blake Grice | 1 | 4:15 |
| loss | Frankie Edgar | UFC Fight Night 128 - Barboza vs. Lee Apr/21/2018 |
Decision (Unanimous) | Marc Goddard | 3 | 5:00 |
| loss | Brian Ortega | UFC Fight Night 123 - Swanson vs. Ortega Dec/09/2017 |
Submission (Guillotine Choke) | Mike Beltran | 2 | 3:22 |
| win | Artem Lobov | UFC Fight Night 108 - Swanson vs. Lobov Apr/22/2017 |
Decision (Unanimous) | Herb Dean | 5 | 5:00 |
| win | Doo Ho Choi | UFC 206 - Holloway vs. Pettis Dec/10/2016 |
Decision (Unanimous) | Dan Miragliotta | 3 | 5:00 |
| win | Tatsuya Kawajiri | UFC Fight Night 92 - Rodriguez vs. Caceres Aug/06/2016 |
Decision (Unanimous) | John McCarthy | 3 | 5:00 |
| win | Hacran Dias | UFC on Fox 19 - Teixeira vs. Evans Apr/16/2016 |
Decision (Unanimous) | Herb Dean | 3 | 5:00 |
| loss | Max Holloway | UFC on Fox 15 - Machida vs. Rockhold Apr/18/2015 |
Submission (Guillotine Choke) | Gasper Oliver | 3 | 3:58 |
| loss | Frankie Edgar | UFC Fight Night 57 - Edgar vs. Swanson Nov/22/2014 |
Submission (Neck Crank) | Dan Miragliotta | 5 | 4:56 |
| win | Jeremy Stephens | UFC Fight Night 44 - Swanson vs. Stephens Jun/28/2014 |
Decision (Unanimous) | Herb Dean | 5 | 5:00 |
| win | Dennis Siver | UFC 162 - Silva vs. Weidman Jul/06/2013 |
TKO (Punches) | Herb Dean | 3 | 2:24 |
| win | Dustin Poirier | UFC on Fuel TV 7 - Barao vs. McDonald Feb/16/2013 |
Decision (Unanimous) | Kevin Mulhall | 3 | 5:00 |
| win | Charles Oliveira | UFC 152 - Jones vs. Belfort Sep/22/2012 |
KO (Punch) | Yves Lavigne | 1 | 2:40 |
| win | Ross Pearson | UFC on FX 4 - Maynard vs. Guida Jun/22/2012 |
TKO (Punches) | Yves Lavigne | 2 | 4:14 |
| win | George Roop | UFC on Fox 2 - Evans vs. Davis Jan/28/2012 |
TKO (Punches) | John McCarthy | 2 | 2:22 |
| loss | Ricardo Lamas | UFC on Fox 1 - Velasquez vs. Dos Santos Nov/12/2011 |
Submission (Arm-Triangle Choke) | John McCarthy | 2 | 2:16 |
| win | Mackens Semerzier | WEC 52 - Faber vs. Mizugaki Nov/11/2010 |
Decision (Split) | Herb Dean | 3 | 5:00 |
| loss | Chad Mendes | WEC 50 - Cruz vs. Benavidez 2 Aug/18/2010 |
Decision (Unanimous) | Josh Rosenthal | 3 | 5:00 |
| win | John Franchi | WEC 44 - Brown vs. Aldo Nov/18/2009 |
Submission (Guillotine Choke) | Herb Dean | 3 | 4:50 |
| loss | Jose Aldo | WEC 41 - Brown vs. Faber 2 Jun/07/2009 |
TKO (Flying Knee and Punches) | Steve Mazzagatti | 1 | 0:08 |
| win | Hiroyuki Takaya | WEC 37 - Torres vs. Tapia Dec/03/2008 |
Decision (Unanimous) | Steve Mazzagatti | 3 | 5:00 |
| win | Donny Walker | IFBL - Fight Night 11 Feb/23/2008 |
Submission (Rear-Naked Choke) | 3 | 1:24 | |
| loss | Jens Pulver | WEC 31 - Faber vs. Curran Dec/12/2007 |
Submission (Guillotine Choke) | Steve Mazzagatti | 1 | 0:35 |
| win | Micah Miller | WEC 28 - WrekCage Jun/03/2007 |
Decision (Unanimous) | Jon Schorle | 3 | 5:00 |
| win | Tommy Lee | WEC 26 - Las Vegas Mar/24/2007 |
Submission (Guillotine Choke) | Steve Mazzagatti | 1 | 3:17 |
| win | Chuck Kim | BIB - Beatdown in Bakersfield Nov/17/2006 |
KO (Punch) | 1 | 4:51 | |
| win | Charlie Valencia | KOTC - BOOYAA Oct/13/2006 |
TKO (Punches) | 1 | 4:52 | |
| win | Richard Montano | KOTC - Rapid Fire Aug/04/2006 |
Decision (Unanimous) | 2 | 5:00 | |
| win | Shannon Gugerty | TC 13 - Anarchy Mar/11/2006 |
TKO (Punches) | Nelson Hamilton | 2 | 3:40 |
| win | Fernando Arreola | KOTC 63 - Final Conflict Dec/02/2005 |
TKO (Submission to Punches) | 1 | 3:21 | |
| win | Mike Corey | KOTC 61 - Flash Point Sep/23/2005 |
TKO (Cut) | 2 | 2:52 | |
| win | Armando Sanchez | KOTC 58 - Prime Time Aug/05/2005 |
TKO (Submission to Punches) | 1 | 1:59 | |
| win | Martin Bautista | TC 7 - Total Combat 7 Jan/29/2005 |
Submission (Rear-Naked Choke) | 2 | 1:04 | |
| win | Joe Morales | TC 6 - Total Combat 6 Oct/24/2004 |
TKO (Submission to Punches) | 1 | 2:28 | |
| loss | Shannon Gugerty | TC 4 - Total Combat 4 Jul/25/2004 |
Submission (Rear-Naked Choke) | Herb Dean | 1 | 0:30 |