Martin Day (8-7, 5) was born in Nagoya, Japan on November 10, 1988. At the age of 26 years on January 17, 2015, he made his professional MMA debut against Dylan Morgan, winning the fight via 3-round split decision.
On November 24, 2018, 30-year old Martin Day made his UFC debut on his 11th professional MMA fight at UFC Fight Night: Blaydes vs. Ngannou 2 against a 25-year old Liu Pingyuan but lost the fight via split decision.
Day's last fight was a 1st-round submission loss to Ramon Taveras at age 33 on April 30, 2022. He retired on a 5-fight losing streak.
He has fought four times in the UFC, and has a record of 4 losses in the promotion.
Day has 7 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
15 | Apr 30, 2022 33 years, 5 months 8-7 (5) | Ramon Taveras | FT | 1 | SUB | LOSS Guillotine choke | |
14  | Feb 6, 2021 32 years, 2 months 8-6 (5) | 31 years 16-2 (7) | UFC | FT | 3 | UD | LOSS |
13  | Nov 28, 2020 32 years 8-5 (5) | 35 years, 4 months 20-8 (15) | UFC | BT | 1 | SUB | LOSS Guillotine choke |
12  | Jul 12, 2020 31 years, 8 months 8-4 (5) | 34 years, 6 months 9-4 (7) | UFC | BT | 3 | KO | LOSS Punch |
11  | Nov 24, 2018 30 years 8-3 (5) | 25 years, 9 months 14-4 (10) | UFC | BT | 3 | SD | LOSS |
10 | Aug 4, 2018 29 years, 8 months 8-2 (5) | Brady Huang | BT | 2 | TKO | WIN | |
9 | Jun 23, 2018 29 years, 7 months 7-2 (4) | Shojin Miki | FL | 3 | UD | WIN | |
8 | Feb 17, 2018 29 years, 3 months 6-2 (4) | Richard Barnard | FL | 1 | SUB | WIN Guillotine choke | |
7 | Aug 15, 2017 28 years, 9 months 5-2 (3) | Jaime Alvarez | FL | 3 | SD | LOSS | |
6 | Jun 9, 2017 28 years, 6 months 5-1 (3) | Shojin Miki | FL | 1 | KO | WIN Punches | |
5 | Mar 18, 2017 28 years, 4 months 4-1 (2) | Nohelin Hernandez | BT | 2 | TKO | LOSS Punches | |
4 | Aug 4, 2016 27 years, 8 months 4-0 (2) | Richard Parra III | BT | 3 | SD | WIN | |
3 | May 7, 2016 27 years, 5 months 3-0 (2) | Anthony Torres | BT | 1 | TKO | WIN Punches | |
2 | Oct 30, 2015 26 years, 11 months 2-0 (1) | Jeffery Oher | BT | 2 | TKO | WIN Punches | |
1 | Jan 17, 2015 26 years, 2 months 1-0 (0) | Dylan Morgan | 3 | SD | WIN |
