By James Cormack Celtic are hoping to enjoy a less scarring European away day on Wednesday evening when they take on Atalanta in the Champions League. After starting their league phase campaign with a rousing 5-1 victory over novices Slovan Bratislava, Brendan Rodgers’ side were brought back down to earth on Matchday 2 as they conceded seven to Borussia Dortmund in a humiliating defeat. It was one of those nights when everything went in for the home side. The Scottish champions are once again the favourites to claim domestic success this season but a fresh contender has emerged in the form of …