 Nyora kupfuurira kweiyi ndima - Muna Chikunguru 2006, Grosso akabatana neInter kune yakashumwa 5 mamirioni ekuchinjisa mubhadharo kuwedzera Paolo Dellafiore. Zvisinei, Grosso akanga ari mukati-uye-kunze kwekambani yekutanga uye yaishandiswa zvikuru sechinotsiva. Akaita mitambo 23 chete yeInter mumutambo, uye akarova zvibodzwa zviviri, sezvo timu yakatora 2006 Supercoppa Italiana uye zita reSerie A.. Mushure memwaka wakaodza mwoyo neInter, Grosso akasarudza kuenda kunze kwenyika uye akatengeswa kuOlympique Lyonnais muzhizha ra2007, gore rimwe chete mushure mekuenda kwake kuInter. 