Sergio Pettis (25-8, 8) was born in Milwaukee, Wisconsin, U.S. on August 18, 1993. At the age of 18 years on September 9, 2011, he made his professional MMA debut against Kyle Vivian, winning the fight via 1st-round TKO.
On November 16, 2013, 20-year old Sergio Pettis made his UFC debut on his 10th professional MMA fight at UFC 167 against a 27-year old Will Campuzano, winning the fight via 3-round unanimous decision.
Pettis' last fight was a 3-round unanimous decision loss to Mitchell McKee at PFL Chicago: Pettis vs. McKee at age 32 on April 11, 2026. He is on a 1-fight losing streak.
He has fought 14 times in the UFC, and has a record of 9 wins and 5 losses in the promotion.
Some of Sergio Pettis' best fights have been against Patrício Pitbull, Kyoji Horiguchi, Juan Archuleta, Joseph Benavidez, Chris Cariaso, Tyson Nam and John Moraga. For details about these fights refer to "Best fights of Sergio Pettis".
Pettis has 8 losses on his MMA record. For details about these losses refer to "Sergio Pettis Losses".
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
33 | Apr 11, 2026 32 years, 7 months 25-8 (8) | Mitchell McKee | PFL | BT | 3 | UD | Loss |
32  | Oct 3, 2025 32 years, 1 months 25-7 (8) | 33 years, 9 months 21-4 (14) | PFL | BT | 2 | KO | Win Spinning back elbow and punch |
31  | Jun 27, 2025 31 years, 10 months 24-7 (7) | 36 years, 6 months 21-2 (9) | PFL | BT | 3 | UD | Win |
30  | Jun 9, 2024 30 years, 9 months 23-7 (7) | 33 years, 7 months 32-5 (19) | Rizin | BT | 3 | UD | Loss |
29  | Nov 17, 2023 30 years, 2 months 23-6 (7) | 30 years, 3 months 18-1 (13) | Bellator | BT | 2 | SUB | Loss Rear-naked choke Lost Bellator World bantamweight title |
28  | Jun 16, 2023 29 years, 9 months 23-5 (7) | 35 years, 11 months 35-5 (22) | Bellator | BT | 5 | UD | Win Defended Bellator World bantamweight title |
27 | Dec 3, 2021 28 years, 3 months 22-5 (7) | 31 years, 1 month 29-3 (18) | Bellator | BT | 4 | KO | Win Spinning backfist Defended Bellator World bantamweight title |
26  | May 7, 2021 27 years, 8 months 21-5 (6) | 33 years, 7 months 25-2 (12) | Bellator | BT | 5 | UD | Win Won Bellator World bantamweight title |
25 | Jul 24, 2020 26 years, 11 months 20-5 (6) | Ricky Bandejas | Bellator | FL | 3 | UD | Win |
24 | Jan 25, 2020 26 years, 5 months 19-5 (6) | Alfred Khashakyan | Bellator | FL | 1 | CKO | Win Guillotine choke |
23  | Sep 21, 2019 26 years, 1 months 18-5 (6) | 35 years, 11 months 18-9-1 (11) | UFC | FL | 3 | UD | Win |
22  | Dec 15, 2018 25 years, 3 months 17-5 (6) | 31 years, 5 months 15-4 (11) | UFC | BT | 3 | UD | Loss |
21  | Oct 6, 2018 25 years, 1 months 17-4 (6) | 33 years, 5 months 21-5 (9) | UFC | FL | 3 | UD | Loss |
20  | Jun 9, 2018 24 years, 9 months 17-3 (6) | 33 years, 10 months 25-4 (15) | UFC | FL | 3 | SD | Win |
19  | Dec 2, 2017 24 years, 3 months 16-3 (6) | 30 years, 9 months 11-2 (5) | UFC | FL | 3 | UD | Loss |
18  | Aug 5, 2017 23 years, 11 months 16-2 (6) | 23 years, 7 months 14-3 (10) | UFC | FL | 5 | UD | Win |
17 | Jan 15, 2017 23 years, 4 months 15-2 (6) | John Moraga | UFC | FL | 3 | UD | Win |
16  | Apr 23, 2016 22 years, 8 months 14-2 (6) | 35 years, 2 months 9-2 (5) | UFC | FL | 3 | UD | Win |
15  | Oct 3, 2015 22 years, 1 months 13-2 (6) | 34 years, 4 months 17-7 (5) | UFC | FL | 3 | UD | Win |
14  | Mar 14, 2015 21 years, 6 months 12-2 (6) | 25 years, 6 months 7-3 (7) | UFC | FL | 2 | TKO | Loss Punches |
13  | Dec 6, 2014 21 years, 3 months 12-1 (6) | 27 years, 10 months 9-2 (5) | UFC | BT | 3 | UD | Win |
12  | Jun 7, 2014 20 years, 9 months 11-1 (6) | 33 years, 4 months 20-8 (12) | UFC | BT | 3 | UD | Win |
11  | Jan 25, 2014 20 years, 5 months 10-1 (6) | 25 years, 7 months 9-5 (6) | UFC | BT | 3 | SUB | Loss Rear-naked choke |
10  | Nov 16, 2013 20 years, 2 months 10-0 (6) | 27 years, 5 months 13-4 (9) | UFC | BT | 3 | UD | Win |
9 | Sep 27, 2013 20 years, 1 months 9-0 (6) | James Porter | BT | 1 | SUB | Win Kimura | |
8 | Jun 20, 2013 19 years, 10 months 8-0 (5) | Dillard Pegg | FL | 1 | TKO | Win Punches Won RFA flyweight title | |
7 | Mar 28, 2013 19 years, 7 months 7-0 (4) | Josh Robinson | FL | 3 | UD | Win | |
6 | Nov 1, 2012 19 years, 2 months 6-0 (4) | Jimmy Jones | BT | 3 | UD | Win | |
5 | Jun 15, 2012 18 years, 9 months 5-0 (4) | Tom McKenna | BT | 1 | SUB | Win Guillotine choke | |
4 | May 3, 2012 18 years, 8 months 4-0 (3) | Chris Haney | FL | 3 | UD | Win | |
3 | Jan 6, 2012 18 years, 4 months 3-0 (3) | Mike Lindquist | BT | 1 | SUB | Win Arm-triangle choke | |
2 | Nov 17, 2011 18 years, 2 months 2-0 (2) | Tony Zelinski | BT | 2 | TKO | Win Head kick | |
1 | Sep 9, 2011 18 years 1-0 (1) | Kyle Vivian | BT | 1 | TKO | Win Head kick |
