Mezue ahịrịokwu na-esonụ: Mgbe ndị otu ya na onyeisi Brad Jacobs meriri ọlaọcha na
2013 World Men's Curling Championship, Matt Dumontelle nwalere mma maka ihe a machibidoro iwu methandienone, steroid anabolic, na ule na-eso egwuregwu ọla edo ụwa na a chụrụ ya n'afọ 2, ntaramahụhụ a na-agwụ na Mee 6, 2015. Ruo mgbe ahụ, o rughị eru ikere òkè n'egwuregwu ọ bụla nke so n'Ihe Omume Mmegide Ihe Ndị Na-akpali Akpali nke Canada.