William Macário (11-7, 8) was born in Rio de Janeiro, Brazil on July 1, 1991. At the age of 19 years on August 15, 2010, he made his professional MMA debut against Gilmar Milhorance, winning the fight via 1st-round TKO.
On June 8, 2013, 21-year old William Macário made his UFC debut on his 7th professional MMA fight at UFC on Fuel TV: Nogueira vs. Werdum against a 33-year old Leonardo Santos but lost the fight via submission in the 2nd round.
Macário's last fight was a 1st-round KO loss to Luan Santiago at age 31 on September 25, 2022. He is on a 2-fight losing streak.
He has fought four times in the UFC, and has a record of 1 win and 3 losses in the promotion.
Some of William Macário's best fights have been against Bobby Voelker.
Macário has 7 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
18 | Sep 25, 2022 31 years, 2 months 11-7 (8) | Luan Santiago | WL | 1 | KO | LOSS Punches | |
17 | Dec 18, 2021 30 years, 5 months 11-6 (8) | Shimon Smotritsky | WL | 2 | TKO | LOSS Punches | |
16 | Jul 29, 2021 30 years 11-5 (8) | Lucas Paredes | WL | 1 | KO | WIN Punch | |
15 | Oct 30, 2020 29 years, 3 months 10-5 (7) | Rico Farrington | 3 | UD | LOSS | ||
14  | May 10, 2019 27 years, 10 months 10-4 (7) | 39 years, 1 months 28-17 (16) | 3 | SD | WIN | ||
13  | Aug 10, 2018 27 years, 1 months 9-4 (7) | 25 years, 8 months 6-1 (6) | 2 | CKO | LOSS Guillotine choke | ||
12 | Apr 28, 2017 25 years, 9 months 9-3 (7) | Handeson Ferreira | 3 | SD | WIN | ||
11 | Nov 4, 2016 25 years, 4 months 8-3 (7) | Bojan Kosednar | 1 | TKO | WIN Punches | ||
10  | Feb 22, 2015 23 years, 7 months 7-3 (6) | 25 years, 2 months 7-2 (7) | UFC | 1 | KO | LOSS Superman punch | |
9  | Oct 25, 2014 23 years, 3 months 7-2 (6) | 27 years, 2 months 12-3 (5) | UFC | 3 | TKO | LOSS Punches | |
8  | Dec 28, 2013 22 years, 5 months 7-1 (6) | 34 years, 8 months 24-10 (19) | UFC | 3 | UD | WIN | |
7  | Jun 8, 2013 21 years, 11 months 6-1 (6) | 33 years, 4 months 11-3 (6) | UFC | 2 | SUB | LOSS Arm-triangle choke | |
6 | Jun 30, 2012 20 years, 11 months 6-0 (6) | Paulo Silva | 1 | SUB | WIN Rear-naked choke | ||
5 | Dec 17, 2011 20 years, 5 months 5-0 (5) | Roger Berger | 1 | TKO | WIN Punches | ||
4 | Mar 26, 2011 19 years, 8 months 4-0 (4) | Gabriel Monkey | 2 | TKO | WIN Punches | ||
3 | Jan 29, 2011 19 years, 6 months 3-0 (3) | Lucas Rosa | 1 | TKO | WIN Punches | ||
2 | Nov 27, 2011 20 years, 4 months 2-0 (2) | Romulo Silva | 1 | TKO | WIN Punches | ||
1 | Aug 15, 2010 19 years, 1 months 1-0 (1) | Gilmar Milhorance | 1 | TKO | WIN Punches |
