Earlier this week AFL club Essendon asked Australia's anti-doping authorities to investigate supplements administered to players last season.

BBC: Australian sport rocked by doping inquiry

Since the release of the report, the Australian Sports Anti-Doping Authority (ASADA) has informed six rugby league teams (Manly, Cronulla, Newcastle, Canberra, North Queensland and Penrith) and one Aussie Rules club (Essendon) that they are under investigation.

BBC: Is Australian sport badly broken?