Notable AFL anti-doping shocks
2019 - West Coast's Willie Rioli returns an adverse analytical finding for urine substitution in a routine ASADA test, and faces a ban of up to four years.
2019 - Gold Coast's Brayden Crossley tests positive to cocaine during a match-day test, and faces a ban of up to four years.
2018 - Collingwood's Sam Murray tests positive to an illicit substance, and faces a ban of up to four years.
2016 - 34 current and former Essendon players accept 12-month bans for the 2012 supplements saga.
2015 - Fremantle's Ryan Crowley suspended for 12 months after testing positive to a painkiller containing methadone.
2015 - Collingwood duo Lachie Keeffe and Josh Thomas banned for two years for testing positive to the drug clenbuterol.
2013 - St Kilda's Ahmed Saad banned for 18 months for taking the banned stimulant methylsynephrine, contained in the pre-workout drink 'Before Battle'.
2010 - Hawthorn's Travis Tuck banned for 12 months after recording three strikes under the AFL's illicit drugs policy
1997 - Richmond's Justin Charles receives a 16-game ban after testing positive to steroids.