AFL.com.au has asked the clubs whether they have been contacted by the Australian Crime Commission or the AFL and told if a player is being investigated for the use of performance-enhancing drugs. Here are their responses:

Adelaide: Declined to comment.

Brisbane Lions: Declined to comment.

Carlton: "The club has not been contacted by the AFL or ACC in regards to any investigation." - Football manager Andrew McKay.

Collingwood: Declined to comment.

Essendon: "The Essendon Football Club is fully co-operating with the AFL and ASADA investigation and is not in a position to make any further comment." - Club statement.

Fremantle: Has not been contacted by the ACC.

Geelong: Has not been contacted by the ACC.

Gold Coast: Has not been contacted by the ACC

Greater Western Sydney: "We've had no contact with the ACC and we're not aware of any issue at our club." - GWS spokesperson.

Hawthorn: Has not been contacted by the ACC.
 
Melbourne: Has not been contacted by the ACC.

North Melbourne: "At this stage we have not been contacted by the AFL or ACC in relation to any specific investigation into our club. The only correspondence we have received has been for the AFL's audit of all clubs in the coming weeks." – Media manager Heath O'Loughlin.

Port Adelaide: "As previously indicated, Port Adelaide player Angus Monfries will co-operate with any investigation that covers his time at the Essendon Football Club. Port Adelaide has not been contacted by the ACC with regard to any other investigation." – Port Adelaide spokesperson.

Richmond: Has not been contacted by the ACC.

St Kilda: "St Kilda is not being investigated." - St Kilda spokesperson.

Sydney Swans: "We've got no reason to believe we have any issues. We're not aware of any investigation into our club by the ACC." – Sydney Swans spokesperson.  

West Coast: Declined to comment.

Western Bulldogs: The Dogs declined to comment but AFL.com.au understands the club has not been contacted by the ACC.