"It's a bit of luck for us because he is a fantastic striker," Vucinic grinned on Sky Sport Italia. "However, if Theo Walcott is fully fit then he could put us under some pressure instead.
"It will be a very difficult game. Arsenal are a great team with such a history.
"The important thing for us will be to get level as quickly as possible and then to look for a second goal calmly. We are hoping that Francesco Totti recovers because everyone knows how important he is for us.
"We have a tough task awaiting us, but I am dreaming of Champions League glory."