The world 's top - ranked middleweight Gennady Golovkin wants another fight in Britain after stopping Kell Brook .
The world 's top - ranked middleweight Gennady Golovkin is targeting a unification bout with Billy Joe Saunders , AFP report .
The world 's top - ranked middleweight Gennady Golovkin wants another fight in Britain after stopping Kell Brook and is targeting a unification bout with Billy Joe Saunders , AFP report .