Claudio Ranieri warns that Cagliari cannot always need a slap in the face to wake up and mount a comeback after their 2-1 defeat to Torino. ‘We make inexplicable errors.’ The Sardinians were 2-0 down by half-time on home turf to goals from Duvan Zapata and Samuele Ricci, while the wonderful Nicolas Viola curler was too little, too late.