World Boxing Federation
Sonia Osorio
WBF Fights
Women's World Flyweight Title: December 9 / 2016, Monterrey, Mexico.
Isabel Millan W DQ 10 Sonia Osorio
Referee: Sergio Hernandez (Mexico). Judge: Luciano Rocha (Mexico): 88 - 82. Judge: Enrique Sotelo (Mexico): 90 - 80. Judge: Manuel Rincon (Mexico): 89 - 81.
Promoter: Ana Maria Gonzalez