AC Milan's new signing Andre Silva scored a hat-trick to lead the Italian side to a rousing 5-1 win at Austria Vienna in their opening Europa League group stage match on Thursday.

The Portugal forward, signed from Porto in the close season, became the first player to score a European hat-trick for the club since Brazilian Kaka against Anderlecht in 2006.

Hakan Calhanoglu set Milan on their way with a fierce drive in the seventh minute and then set up Silva's first two goals in the 10th and 20th of the Group D game.

Although Alexandar Borkovic pulled one back two minutes after the break, Silva completed his treble in the 56th minute after being sent clear by Franck Kessie's through ball. Suso added the fifth just after the hour before Milan eased up.