McWilliams Arroyo (21-4, 16) was born in Ceiba, Puerto Rico on December 5, 1985. At the age of 24 years on February 27, 2010, he made his professional boxing debut against Eliecer Sánchez, winning the fight via 1st-round KO.
Arroyo's last fight was a flyweight world-title fight against Julio Cesar Martinez for Martinez' WBC title on November 19, 2021. The fight ended in a no contest. He retired with a 4-fight winning streak.
Some of McWilliams Arroyo's best fights have been against Carlos Cuadras, Luis Maldonado, Froilan Saludar, Román González, Kazuto Ioka and Amnat Ruenroeng.
Arroyo has 4 losses on his boxing record.
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
26  | Nov 19, 2021 35 years, 11 months 21-4 (16) | 26 years, 9 months 18-1 (14) | FL | 3 | NC | NC For WBC |
25 | Feb 27, 2021 35 years, 2 months 21-4 (16) | Abraham Rodriguez | FL | 5 | TKO | WIN Won WBC InterimVacant |
24 | Dec 7, 2019 34 years 20-4 (15) | Juan Gabriel Medina | 5 | RTD | WIN | |
23 | Jun 15, 2019 33 years, 6 months 19-4 (14) | Carlos Buitrago | FL | 10 | UD | WIN |
22 | Feb 16, 2019 33 years, 2 months 18-4 (14) | Carlos Maldonado | FL | 10 | UD | WIN |
21  | Sep 8, 2018 32 years, 9 months 17-4 (14) | 29 years, 5 months 22-1 (13) | SFL | 10 | UD | LOSS |
20  | Feb 24, 2018 32 years, 2 months 17-3 (14) | 29 years, 6 months 36-2-1 (27) | SFL | 10 | MD | WIN |
19  | Apr 23, 2016 30 years, 4 months 16-3 (14) | 28 years, 10 months 44-0 (38) | FL | 12 | UD | LOSS For WBC, The Ring |
18 | Apr 11, 2015 29 years, 4 months 16-2 (14) | Victor Ruiz | 3 | TKO | WIN | |
17  | Sep 10, 2014 28 years, 9 months 15-2 (13) | 34 years, 8 months 13-0 (5) | FL | 12 | SD | LOSS For IBF |
16  | Jun 19, 2014 28 years, 6 months 15-1 (13) | 25 years, 2 months 19-0-1 (12) | 2 | TKO | WIN | |
15 | Feb 2, 2013 27 years, 1 months 14-1 (12) | Jose Miguel Tamayo | FL | 4 | TKO | WIN Interim |
14 | Sep 27, 2012 26 years, 9 months 13-1 (11) | Ronald Ramos | 5 | TKO | WIN | |
13 | Jun 9, 2012 26 years, 6 months 12-1 (10) | Rigoberto Casillas | 7 | TKO | WIN | |
12  | Mar 10, 2012 26 years, 3 months 11-1 (9) | 34 years 36-7-1 (27) | 10 | UD | WIN | |
11 | Feb 3, 2012 26 years, 1 months 10-1 (9) | Gilberto Mendoza | 3 | RTD | WIN | |
10 | Jul 1, 2011 25 years, 6 months 9-1 (8) | Lorenzo Trejo | 2 | TKO | WIN | |
9 | May 6, 2011 25 years, 5 months 8-1 (7) | Rigoberto Casillas | 7 | TKO | WIN | |
8 | Apr 1, 2011 25 years, 3 months 7-1 (6) | Erickson Martell | 5 | TKO | WIN | |
7 | Feb 5, 2011 25 years, 2 months 6-1 (5) | Manuel Galaviz | 1 | TKO | WIN | |
6 | Nov 6, 2010 24 years, 11 months 5-1 (4) | Cesar Grajeda | 1 | TKO | WIN | |
5 | Aug 28, 2010 24 years, 8 months 4-1 (3) | Jovany Fuentes | 6 | UD | WIN | |
4 | Jun 12, 2010 24 years, 6 months 3-1 (3) | Takashi Okada | 4 | UD | LOSS | |
3 | May 29, 2010 24 years, 5 months 3-0 (3) | Samuel Gutiérrez | 2 | TKO | WIN | |
2 | Apr 17, 2010 24 years, 4 months 2-0 (2) | Francisco Rosario | 3 | KO | WIN | |
1 | Feb 27, 2010 24 years, 2 months 1-0 (1) | Eliecer Sánchez | 1 | KO | WIN |
