Golovkin: Rubio is a Mexican fighter, so it's going to be a fight

By Dan Ambrose: Marco Antonio Rubio (59-6-1, 51 KOs) may have failed every time he stepped it up against high quality opposition during his boxing career, but WBA middleweight champion Gennady Golovkin (30-0, 27 KOs) still expects him to make it a difficult fight for him next week in their clash on October 18th on […]