Ulises Sierra (17-3-2, 10) was born in San Diego, California, U.S. on January 19, 1989. At the age of 23 years on June 28, 2012, he made his professional boxing debut against Omar Barefield, winning the fight via 4-round unanimous decision.
Sierra's last fight was a 3rd-round KO loss to Bektemir Melikuziev at age 34 on January 28, 2023. He is on a 1-fight losing streak.
Sierra has 3 losses on his boxing record.
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
22  | Jan 28, 2023 34 years 17-3-2 (10) | 26 years, 9 months 10-1 (8) | SMD | 3 | KO | LOSS |
21 | Oct 22, 2021 32 years, 9 months 17-2-2 (10) | Pedro Solis Rodriguez | 6 | MD | WIN | |
20 | Jul 30, 2021 32 years, 6 months 16-2-2 (10) | Carlos Bacasegua Luzania | 4 | TKO | WIN | |
19  | Dec 12, 2020 31 years, 10 months 15-2-2 (9) | 23 years, 6 months 15-0 (15) | 1 | TKO | LOSS | |
18  | Jan 17, 2020 30 years, 11 months 15-1-2 (9) | 28 years, 5 months 9-0 (6) | 10 | UD | LOSS | |
17 | Apr 27, 2019 30 years, 3 months 15-0-2 (9) | Fidel Hernandez | SMD | 10 | UD | WIN |
16 | Dec 22, 2018 29 years, 11 months 14-0-2 (9) | Ivan Mendez Raya | 1 | KO | WIN | |
15 | Oct 6, 2018 29 years, 8 months 13-0-2 (8) | Daniel Yocupicio Mendez | 2 | KO | WIN | |
14 | Nov 17, 2017 28 years, 9 months 12-0-2 (7) | Juan Arce Fernandez | 6 | MD | WIN | |
13 | Oct 13, 2017 28 years, 8 months 11-0-2 (7) | Christian Solorzano | 5 | RTD | WIN | |
12 | Jul 16, 2016 27 years, 5 months 10-0-2 (6) | Jose Hernandez | 1 | KO | WIN | |
11 | Aug 27, 2015 26 years, 7 months 9-0-2 (5) | Alfredo Contreras | 6 | UD | WIN | |
10 | Dec 4, 2014 25 years, 10 months 8-0-2 (5) | Loren Myers | 4 | UD | WIN | |
9 | Aug 16, 2014 25 years, 6 months 7-0-2 (5) | Jas Phipps | 4 | SD | DRAW | |
8 | May 30, 2014 25 years, 4 months 7-0-1 (5) | Cromwell Gordon | 4 | UD | WIN | |
7 | May 15, 2014 25 years, 3 months 6-0-1 (5) | Ruben Porras | 2 | TKO | WIN | |
6 | Feb 28, 2014 25 years, 1 months 5-0-1 (4) | Loren Myers | 3 | TKO | WIN | |
5 | Sep 21, 2013 24 years, 8 months 4-0-1 (3) | Alec Christenberry | 3 | TKO | WIN | |
4 | Jun 21, 2013 24 years, 5 months 3-0-1 (2) | Darnell Walker | 4 | TKO | WIN | |
3 | Mar 29, 2013 24 years, 2 months 2-0-1 (1) | Jose Luis Esparza | 2 | TKO | WIN | |
2 | Nov 3, 2012 23 years, 9 months 1-0-1 (0) | Ricardo Pinell | 4 | MD | DRAW | |
1 | Jun 28, 2012 23 years, 5 months 1-0 (0) | Omar Barefield | 4 | UD | WIN |
