To a Champions League upset in Lisbon..

The incoming Manchester United manager has sent a message to their City rivals - on DAZN .

Amorim has overseen Sporting's 4-1 trouncing in the Portuguese capital - striker Viktor Gyokeres posted a hat-trick to seal the Premier League champions third straight loss across different competitions.

Hosts Liverpool have piled on four second-half goals to beat Leverkusen 4-nil, while a visiting AC Milan side have tipped over Real Madrid 3-1.

Celtic have beaten Leipzig 3-1, while Juventus have been held to a 1-all draw by Lille .