Ku sii qor faqradan - Markii kooxdiisu ay la jirtay kabtanka Brad Jacobs ay ku guuleysteen billado lacag ah tartanka curling-ka ragga adduunka ee 2013
, Matt Dumontelle ayaa laga helay walxaha la mamnuucay methandienone, oo ah steroid anabolic, tijaabada ka dib ciyaarta bilada dahabka adduunka waxaana laga reebay 2 sano, ciqaabtan waxay dhacdaa Maajo 6, 2015. Ilaa waqtigaas ma uusan xaq u laheyn in uu ka qeyb qaato ciyaar kasta oo qeyb ka ah Barnaamijka Canadian Anti-Doping.