 He moved to Sydney and joined St. George-Budapest between 1969 and 1976 where he was part of three NSW State League titles, before finishing his career with Sydney Croatia between 1977 and 1979.In June 1975, Abonyi made a guest appearance for a touring Manchester United side, coming on as a substitute for David McCreery against Queensland.He scored United's third goal in a 3–0 win.