I am very positive for Atalanta and I am not worried about them at all. Club Brugge were very lucky to win the first leg and they won the match in the last minute. After the two teams were level in the first half, it seemed that the match would end in a draw in the last minute of the second half. But Nilsson's penalty in extra time of the match declared Club Brugge as the winners of the match. I firmly believe that Atalanta will come back stronger in the second leg and avenge the first leg defeat.
Honestly I agree that Brugge were lucky, depth wise Atalanta is better even in their form and strength but it turns out that they just got lucky probably because they had the home advantage but then Atalanta would get a come back in the second leg only that they need to get some good number of goals so it be helpful that's if the need be that it happens that it becomes necessary.