Based on?
They've not kept a clean sheet away from home in Europe this season, and the two they kept at home were against LASK of Austria and Union Saint-Gilloise of Belgium in the group stage.
They've kept just four cleans sheets away from home in the league, against Forest, Bournemouth, Burnley and Sheffield United.
They've won by four or more goals six times, but only twice away from home (Bournemouth and Sparta Prague).
Atalanta have kept 16 clean sheets this season, are unbeaten in Europe having scored in every game, they've scored in all but one home game this season (a 0-0 draw with Juventus) and the only game they've lost by four goals was away to Inter Milan, the team currently running away with Serie A.