Cagliari ends the first half trailing Bergamo to Atalanta, 1-0 thanks to a goal from Lookman after 33'.
Ranieri confirms the three-man defence, with Obert replacing the suspended Wieteska, while Shomurodov plays up front alongside Luvumbo.
Cagliari suffers against Atalanta, who comes close to scoring several times. Then in the 33rd minute, the Bergamo players pass with de Ketelaere who escapes the rossoblù defense, service for Lookman and 1-0.
Cagliari only threatened with a header from Shomurodov in the 14th minute.