| Real name | : Marcos René Maidana |
| Nickname | : El Chino |
| Rated at | : Light Welterweight / Welterweight |
| Height | : 5 ft 7 in (1.70 m) |
| Nationality | : Argentine |
| Born | : July 17, 1983 (age 30) Margarita, Santa Fe, Argentina |
| Stance | : Orthodox |
| Record | : 35W 31KOs 3L |