Tanner Boser (22-10-1, 14) was born in Bonnyville, Alberta, Canada on August 2, 1991. At the age of 21 years on September 5, 2012, he made his professional MMA debut against Mike Cobey, winning the fight via 3rd-round TKO.
On October 18, 2019, 28-year old Tanner Boser made his UFC debut on his 23rd professional MMA fight at UFC on ESPN: Reyes vs. Weidman against Daniel Spitz, winning the fight via 3-round unanimous decision.
Boser's last fight was a 3rd-round TKO win against Vinicius Moreira at age 33 on June 13, 2025. He is on a 2-fight winning streak.
He has fought ten times in the UFC, and has a record of 5 wins and 5 losses in the promotion.
Some of Tanner Boser's best fights have been against Philipe Lins, Raphael Pessoa, Ovince Saint Preux, Daniel Spitz, Aleksa Camur and Vinicius Moreira.
Boser has 10 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
33  | Jun 13, 2025 33 years, 10 months 22-10-1 (14) | 36 years, 3 months 14-8 (14) | HW | 3 | TKO | WIN Retirement | |
32  | Aug 5, 2023 32 years 21-10-1 (13) | 27 years, 10 months 6-2 (5) | UFC | LHW | 3 | UD | WIN |
31  | Apr 15, 2023 31 years, 8 months 20-10-1 (13) | 29 years, 4 months 16-9-1 (14) | UFC | LHW | 1 | TKO | LOSS Punches |
30  | Sep 17, 2022 31 years, 1 months 20-9-1 (13) | 29 years, 9 months 8-1 (8) | UFC | HW | 3 | SD | LOSS |
29  | Jun 26, 2021 29 years, 10 months 20-8-1 (13) | 38 years, 2 months 25-15 (18) | UFC | HW | 2 | KO | WIN Punches |
28  | Jun 5, 2021 29 years, 10 months 19-8-1 (12) | 37 years, 10 months 14-8 (9) | UFC | HW | 3 | SD | LOSS |
27  | Nov 7, 2020 29 years, 3 months 19-7-1 (12) | 41 years, 9 months 29-19 (20) | UFC | HW | 3 | UD | LOSS |
26  | Jul 26, 2020 28 years, 11 months 19-6-1 (12) | 31 years, 4 months 10-1 (7) | UFC | HW | 2 | TKO | WIN Punches |
25  | Jun 27, 2020 28 years, 10 months 18-6-1 (11) | 34 years, 10 months 14-4 (12) | UFC | HW | 1 | KO | WIN Punches |
24  | Dec 21, 2019 28 years, 4 months 17-6-1 (10) | 29 years, 8 months 5-0 (5) | UFC | HW | 3 | UD | LOSS |
23 | Oct 18, 2019 28 years, 2 months 17-5-1 (10) | Daniel Spitz | UFC | HW | 3 | UD | WIN |
22 | May 24, 2019 27 years, 9 months 16-5-1 (10) | Jared Kilkenny | HW | 4 | TKO | WIN Leg kicks | |
21 | Mar 8, 2019 27 years, 7 months 15-5-1 (9) | Zaur Gadzhibabayev | M-1 | HW | 3 | UD | DRAW Majority |
20 | Nov 10, 2018 27 years, 3 months 15-5 (9) | Salimgerey Rasulov | HW | 3 | UD | LOSS | |
19  | Jun 16, 2018 26 years, 10 months 15-4 (9) | 34 years, 10 months 14-7 (6) | HW | 3 | UD | WIN | |
18 | Feb 28, 2018 26 years, 6 months 14-4 (9) | DJ Linderman | HW | 3 | UD | WIN | |
17 | Sep 14, 2017 26 years, 1 months 13-4 (9) | Dave Cryer | HW | 2 | KO | WIN Punches | |
16 | May 20, 2017 25 years, 9 months 12-4 (8) | Denis Smoldarev | HW | 3 | UD | LOSS | |
15 | Mar 11, 2017 25 years, 7 months 12-3 (8) | Mukhamad Vakhaev | HW | 3 | SD | LOSS | |
14 | Dec 16, 2016 25 years, 4 months 12-2 (8) | Rakim Cleveland | HW | 3 | UD | WIN | |
13 | Sep 30, 2016 25 years, 1 months 11-2 (8) | Joey Yager | HW | 5 | UD | WIN | |
12 | Jun 3, 2016 24 years, 10 months 10-2 (8) | Tony Lopez | HW | 3 | UD | WIN | |
11 | Apr 9, 2016 24 years, 8 months 9-2 (8) | Kazbek Saidaliev | HW | 3 | UD | LOSS | |
10 | Feb 4, 2016 24 years, 6 months 9-1 (8) | Tim Hague | HW | 2 | KO | WIN Elbows | |
9 | Sep 25, 2015 24 years, 1 months 8-1 (7) | Victor Valimaki | HW | 2 | TKO | WIN Leg kicks | |
8 | Jun 12, 2015 23 years, 10 months 7-1 (6) | Jared Henderson | KOTC | HW | 1 | TKO | WIN Elbows |
7  | Mar 27, 2015 23 years, 7 months 6-1 (5) | 31 years, 10 months 19-9 (17) | HW | 1 | KO | LOSS Punches | |
6 | Sep 26, 2014 23 years, 1 months 6-0 (5) | Jordan Tracey | HW | 3 | TKO | WIN Punches | |
5 | Mar 28, 2014 22 years, 7 months 5-0 (4) | Nick Campbell | LHW | 2 | SUB | WIN Rear-naked choke | |
4 | Dec 14, 2013 22 years, 4 months 4-0 (3) | William Carriere | HW | 3 | UD | WIN | |
3 | Sep 25, 2013 22 years, 1 months 3-0 (3) | Matthew Swimmer | KOTC | HW | 1 | TKO | WIN Punches |
2 | Jun 21, 2013 21 years, 10 months 2-0 (2) | Dell Knebush | HW | 1 | SUB | WIN Rear-naked choke | |
1 | Sep 5, 2012 21 years, 1 months 1-0 (1) | Mike Cobey | HW | 3 | TKO | WIN Punches |
