Christian played 82 games for East Perth in the WAFL from 1981 to 1986 and then crossed to Collingwood in the VFL/AFL to play out his football career. Christian would play full-back for the majority of his career, but was used sparingly as a forward. Christian would be part of the 1990 premiership side and represented Western Australia on 3 occasions.
After retiring, Christian became a football commentator, and has commentated on radio for Triple M and Geelong station K-Rock (3GL). He currently commentates football matches for Network Ten), as well as hosting the breakfast program, Prime Time Sports Interactive on Sport 927 with Angela Pippos and has hosted AFL post-game analysis show The Fifth Quarter with Andrew Maher since 2004.