After playing junior football for Cambridge Park and Emu Plains JRLFC, Waterhouse made his first grade début against Melbourne Storm at Olympic Park on 17 August 2002 in round 23, which was also the same game in which Steve Turner debuted.
After playing junior football for Cambridge Park and Emu Plains JRLFC, Waterhouse made his first grade debut against Melbourne Storm at Olympic Park on 17 August 2002 in round 23, which was also the same game where Steve Turner made his debut.