Steven Peterson (19-11, 12) was born in Redondo Beach, California, United States on May 29, 1990. At the age of 20 years on August 4, 2010, he made his professional MMA debut against Marcus Dupar, winning the fight via 3rd-round submission.
On February 18, 2018, 27-year old Steven Peterson made his UFC debut on his 23rd professional MMA fight at UFC Fight Night: Cowboy vs. Medeiros against a 27-year old Brandon Davis but lost the fight via unanimous decision.
Peterson's last fight was a 3-round unanimous decision loss to Lucas Alexander at UFC on ESPN: Vera vs. Sandhagen at age 32 on March 25, 2023. He is on a 2-fight losing streak.
He has fought seven times in the UFC, and has a record of 2 wins and 5 losses in the promotion.
Some of Steven Peterson's best fights have been against Martín Bravo, Matt Hobar, Ernest de la Cruz, Chase Hooper, Matt Bessette, Irwin Rivera and Luis Peña. For details about these fights refer to "Best fights of Steven Peterson".
Peterson has 11 losses on his MMA record. For details about these losses refer to "Steven Peterson Losses".
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
30 | Mar 25, 2023 32 years, 9 months 19-11 (12) | Lucas Alexander | UFC | FT | 3 | UD | Loss |
29  | Feb 5, 2022 31 years, 8 months 19-10 (12) | 32 years, 6 months 26-9 (23) | UFC | FT | 3 | SD | Loss |
28  | Jun 12, 2021 31 years 19-9 (12) | 21 years, 8 months 10-1-1 (8) | UFC | FT | 3 | UD | Win |
27  | Sep 21, 2019 29 years, 3 months 18-9 (12) | 26 years 11-2 (9) | UFC | FT | 2 | KO | Win Spinning back fist |
26  | Jul 20, 2019 29 years, 1 months 17-9 (11) | 31 years, 1 month 14-12 (8) | UFC | FT | 3 | UD | Loss |
25  | Mar 23, 2019 28 years, 9 months 17-8 (11) | 25 years, 8 months 5-1 (5) | UFC | FT | 3 | UD | Loss |
24  | Jul 6, 2018 28 years, 1 months 17-7 (11) | 33 years, 6 months 22-8 (15) | TUF | FT | 3 | SD | Win |
23  | Feb 18, 2018 27 years, 8 months 16-7 (11) | 27 years, 9 months 8-4 (5) | UFC | FT | 3 | UD | Loss |
22 | Dec 8, 2017 27 years, 6 months 16-6 (11) | Dustin Winter | FT | 2 | TKO | Win Punches | |
21  | Aug 22, 2017 27 years, 2 months 15-6 (10) | 23 years, 4 months 7-0 (5) | BT | 3 | SD | Loss | |
20 | Jul 14, 2017 27 years, 1 months 15-5 (10) | Ryan Hollis | BT | 2 | SUB | Win Rear-naked choke | |
19  | Jan 13, 2017 26 years, 7 months 14-5 (9) | 27 years, 11 months 16-2 (12) | BT | 5 | UD | Loss For LFA bantamweight title | |
18 | Jun 24, 2016 26 years 14-4 (9) | Manny Vasquez | BT | 4 | CKO | Win Rear-naked choke Won Legacy FC bantamweight title | |
17  | Oct 2, 2015 25 years, 4 months 13-4 (9) | 26 years, 7 months 4-0 (2) | FT | 3 | UD | Win | |
16 | Feb 13, 2015 24 years, 8 months 12-4 (9) | Caio Machado | FT | 1 | SUB | Win Guillotine choke | |
15 | Jul 18, 2014 24 years, 1 months 11-4 (8) | Ray Rodriguez | FT | 3 | UD | Win | |
14 | Feb 21, 2014 23 years, 8 months 10-4 (8) | Ray Rodriguez | FT | 2 | TKO | Win | |
13 | Aug 17, 2013 23 years, 2 months 9-4 (7) | Nelson Salas | BT | 4 | TKO | Win Punches | |
12 | Apr 12, 2013 22 years, 10 months 8-4 (6) | George Pacurariu | BT | 1 | KO | Loss Punch | |
11  | Dec 14, 2012 22 years, 6 months 8-3 (6) | 25 years, 11 months 5-1 (4) | BT | 3 | MD | Loss | |
10 | Sep 14, 2012 22 years, 3 months 8-2 (6) | Cody Williams | BT | 2 | SUB | Win Omoplata | |
9 | Aug 17, 2012 22 years, 2 months 7-2 (5) | 25 years, 7 months 5-0 (4) | BT | 1 | TKO | Win Arm injury | |
8 | Mar 23, 2012 21 years, 9 months 6-2 (4) | Chris Jones | Bellator | FT | 3 | SD | Loss |
7 | Sep 16, 2011 21 years, 3 months 6-1 (4) | Steve Garcia | BT | 1 | SUB | Win Guillotine choke | |
6 | Jul 23, 2011 21 years, 1 months 5-1 (3) | Alex Russ | FT | 1 | SUB | Win Rear-naked choke | |
5 | Apr 9, 2011 20 years, 10 months 4-1 (2) | Douglas Frey | FT | 4 | MD | Win | |
4 | Jan 29, 2011 20 years, 8 months 3-1 (2) | Quaint Kempf | FT | 1 | SUB | Win Armbar | |
3 | Oct 9, 2010 20 years, 4 months 2-1 (1) | Brad Mitchell | FT | 3 | UD | Loss | |
2 | Sep 2, 2010 20 years, 3 months 2-0 (1) | Ernest de la Cruz | Bellator | FT | 3 | UD | Win |
1 | Aug 4, 2010 20 years, 2 months 1-0 (1) | Marcus Dupar | 3 | SUB | Win Armbar |
