AC Milan chief Leonardo says they won't be taking Europa League opponents Dudelange lightly.

Milan have been grouped with the Luxembourg outfit, plus Olympiakos and Real Betis.

"There are a lot of Milan fans in Luxembourg," Leonardo told rtbf.be.

“They're a team we know and it's not easy to play against them, especially in European competition.

“They'll compete with Betis and Olympiakos too, it's a difficult group."