Sport Integrity Australia (SIA) panyin David Sharpe ka sɛ ɛsɛ sɛ wɔn a wɔyɛ agumadifo a wɔyɛ nnipa mu nyiyim no nya asotwe a wɔde ma wɔn a wɔwɔ tebea a ɛte saa mu no. Sharpe kasa tia nnipa a wɔwɔ nkɛntɛnso wɔ Australia agumadi mu no sɛ wɔremmu nnipa mu nyiyim ho hwee. AFL rehyia sukuu mu asɛm foforo a ɛfa nnipa mu nyiyim a ɛkɔɔ so wɔ North Melbourne's Indigenous Krakouer anuanom, Jim ne Phil, wɔ 1980 mfe no mu ho.