 On 10 July 2016, it was announced that Castán would be loaned to Sampdoria for the 201617 season - On 10 July 2016, it was announced that Castán would be loaned to Sampdoria for the 201617 season. Zvisinei, musi wa18 Nyamavhuvhu, mazuva maviri chete pamberi pekutanga kwemwaka mutsva, Sampdoria yakasimbisa kuti chikwereti chakamiswa uye kuti mutambi akabatana neTorino pachikwereti pachinzvimbo. Castán akaonekwa mumitambo mitatu kubva pa5 ye blucerchiatis pre-mwaka, kusanganisira yavo 32 kure kukundwa neFC Barcelona muJoan Gamper Trophy. 