By Nicolas Samuilov, notifight.com

The world flyweight champion of the World Boxing Association (WBA) and World Boxing Organization (WBO), undefeated Argentine star Yesica "La Tuti" Bopp (21-0, 9KOs) stepped on hostile soil in Mexico to win a ten round unanimous decision over hometown boxer Yesenia "Little" Martinez Castrejon (11-11, 9KOs) - with scores of 100-90, 100-89 and 100-90. The fight took place at the Forum Polanco in Mexico City. They met last June in Argentina, which Bopp won by a ninth round TKO at Estadio Luna Park in Buenos Aires.