Marten De Roon believes Atalanta have now shown they are at Champions League level after claiming their first ever win in the competition.
Atalanta lost 5-1 to Manchester City two weeks ago but boss Gian Piero Gasperini has no intention of going defensive in Wednesday's meeting.
Atalanta have no points after two Champions League matches, but Gian Piero Gasperini does not believe his side are inferior to opponents.
Roma were said to be interested in Gian Piero Gasperini, but Atalanta have announced he will lead them in the Champions League next season.
It is set to be a new-look AC Milan in 2019-20 but who will lead the Rossoneri after Gennaro Gattuso's exit?
Atalanta have thrilled in Serie A this season, but Gian Piero Gasperini is desperate to ensure they do not fall short of the top four.
Atalanta head coach Gian Piero Gasperini blasted officials after a Coppa Italia final defeat to Lazio.
Lazio were second best for much of the Coppa Italia final in Rome but a pair of late goals downed Atalanta 2-0 on Wednesday.
Atalanta booked their place in the Coppa Italia final on Thursday and Gian Piero Gasperini wants his players to seize their opportunity.
Atalanta twice threw away the lead in their Coppa Italia clash with Fiorentina, much to the frustration of coach Gian Piero Gasperini.