Anti-doping investigation sweeps through AFL

Dr Hugh Seward, a Geelong-based GP and executive officer of the AFL Medical Officers Association, said all clubs needed to ensure they knew exactly what was going on inside their organisations to avoid the situation that the Essendon football club now find itself in.

Both the AFL and the Australian Sports Anti-Doping Authority (ASADA) are investigating Essendon over unnamed supplements the club gave to players.

Dr Seward described reports of players being asked to sign waivers and of medical practitioners working without the full knowledge of upper management