Australian born and of Croatian parentage, he signed for Croatia Zagreb from Melbourne Knights in 1995 where his three year stay yielded 40 goals in 84 games. He signed with Glasgow Celtic for �3.5m and took the Scottish league by storm, scoring 27 goals and winning Scottish Player of the Year. He was signed by United in 2000 for �6m to add the power to an otherwise lightweight forward line. A memorable four goals at home to Liverpool gained him instant approval from the Leeds fans and he finished with an impressive 22 goals in that first season. 2001-02 yielded a further 16 and he was constantly linked with AS Roma. Fortunately for United he was there to help stave off relegation with 22 goals in all in 2002-03. After his most unproductive season in 2003-04 he left for Middlesborough for �4.5m. He made 162 starts, and 4 from the bench and scored 72 times.