<prompt> Pedzisa mutsara unotevera: Mwaka unotevera, Riva akaita Serie A yake yekutanga kuCagliari musi wa13 Gunyana, 1964, mukurasikirwa ne2 × 1 kurwisa Roma, uye akabatsirawo kirabhu kudzivirira kudzikiswa, achitungamira timu kunzvimbo yechitanhatu yakagadzikana mutafura, achihwina zvibodzwa zvipfumbamwe zvinokurudzira mumitambo makumi matatu nemaviri aine makore makumi maviri. Izvi zvakateverwa nenzvimbo yegumi neimwe, yechitanhatu, uye yechipfumbamwe muligi pakati pa1965 na1968, nepo Riva akapedzawo semutambi wepamusoro weligi kekutanga mumwaka wa1966-67 aine zvibodzwa gumi nesere, sezvo kirabhu yakatanga kuvaka chinzvimbo chinogona kuhwina mukwikwidzi wavo nyeredzi: Riva akakwezva vatambi venhabvu vanoverengeka kuCagliari, uye timu panguva ino yaive nevatambi vakakosha vakaita saEnrico Albertosi, Roberto Boninsegna, Ricciotti Greatti, Comunardo Niccolai, Mario Martiradonna, Mario Brugnera, Pierluigi Cera, naNené. Riva akazoita kuti Cagliari ipedzise nzvimbo yechipiri muCoppa Italia, shure kweRoma, uye muligi, mapoinzi mana shure kweFiorentina, panguva ye  <response>: 1968-69 mwaka, kuhwina capocannoniere zita kechipiri ne 20 zvibodzwa mumitambo makumi maviri nemapfumbamwe; Cagliari anga achitungamira muligi kusvika musi we 21st, apo kurasikirwa kumba kuJuventus kwakaita kuti timu ibvise kutungamira kwavo. 