Kammala jumla mai zuwa: Ta lashe zinare a gasar zakarun duniya na mata na U18 na 2009 na IIHF. A ranar 28 ga Janairu, 2011, an ba da sanarwar cewa an sanya sunan Decker a cikin jerin sunayen farko na Kungiyar 'Yan Mata ta Amurka. Daga Afrilu 4 zuwa 12, 2011, ta kasance ɗaya daga cikin 'yan wasa 30 da suka halarci zaɓe / sansanin horo kuma aka sanya sunanta a jerin sunayen da suka halarci gasar
Gasar Kofin Duniya ta Mata ta IIHF ta 2011. A Gasar Cin Kofin Duniya ta Mata ta IIHF ta 2011, Brianna Decker tana cikin manyan 'yan wasa biyar na gasar. Decker ta maki 11 (ƙwallaye huɗu, tallafi bakwai) ya sanya ta ta biyu.