At age 17 , Valdez came to upset 2007 PanAm champion Carlos Cuadras at the semifinal of the 2007 National Championships .
At age 17 , Valdez winning the bantamweight championship in his next bout .
At age 17 , Valdez came to upset 2007 PanAm champion Carlos Cuadras at the semifinal of the 2007 National Championships and winning the bantamweight championship in his next bout .