THE "world's most beautiful footballer" broke down in tears as she revealed she has been forced to "say goodbye to football for a long time". Ana Maria Markovic has been dubbed football's most glamorous star.But fans are gutted the Croatian international will not be in action on the field for a while. Markovic, 23, suffered a nasty-looking knee injury while in action for Grasshopper - and was visibly emotional as she was treated by medics on the field.