Buuxi weedha soo socota: Ka dib markii uu England u matalayay heerka U18 iyo U20, Vunipola waxaa loogu yeeray England Saxons Squad bishii Janaayo 2013. Wuxuu tababar la qaatay kooxda England intii lagu jiray
2013 Six Nations Championship wuxuuna sameeyay kulankiisii ugu horeeyay ee England intii lagu jiray safarkii England ee Argentina ee tijaabada ka dhanka ah Argentina ee Salta bishii Juun 2013, isagoo ka soo baxay kursiga keydka si uu u dhaliyo isku dayga guusha 32-3 ee England. Horraantii dalxiiska wuxuu ciyaaray kulan aan la dabooli karin oo ka dhan ah Consur XV, wuxuuna dhaliyay hat-trick isku day ah lix daqiiqo.