Oscar León
Oscar León Navas is a Colombian former professional boxer who competed from 1996 to 2011. He challenged for the WBA featherweight title in 2003, as the WBA and WBC interim featherweight titles in 2003 and 2006, respectively.
Pro career
WBA Featherweight Championship
In 2003 Oscar lost two very disputed twelve round split-decisions to Derrick Gainer and Chris John for the WBA World Featherweight championship.Interim WBC Featherweight Championship
On February 17, 2006 León was knocked out by Humberto Soto in the ninth round, for the WBC Featherweight championship.Professional boxing record
| No. | Result | Record | Opponent | Type | Round, time | Date | Location | Notes |
| 42 | Loss | 28–14 | Francisco Fuentes | KO | 4, 1:29 | 19 Aug 2011 | Coliseo Miguel "Happy" Lora, Montería, Colombia | |
| 41 | Loss | 28–13 | Pablo César Cano | SD | 10 | 25 Jun 2010 | Auditorio Plaza Condesa, Mexico City, Mexico | For vacant NABF super lightweight title |
| 40 | Loss | 28–12 | Vernon Paris | UD | 6 | 27 Mar 2010 | Joe Louis Arena, Detroit, Michigan, U.S. | |
| 39 | Loss | 28–11 | Ed Paredes | KO | 4, 0:51 | 4 Dec 2009 | La Covacha, Miami, Florida, U.S. | |
| 38 | Loss | 28–10 | Danny García | TKO | 3, 2:59 | 22 Aug 2009 | Toyota Center, Houston, Texas, U.S. |