Arsenal secured top spot in Europa League Group B as Alexandre Lacazette scored a stunning goal in a 4-1 win over Rapid Vienna.
Tottenham were far from their best at LASK and had to settle for a 3-3 draw, which was still enough to reach the Europa League's last 32
Leicester City would have finished top of Group G with a win, but instead will need to beat AEK Athens next week to secure top spot.
Jens Petter Hauge scored one and created another as Milan sealed their place in the Europa League knockout stages.
Molde took a surprise lead at Emirates Stadium, but Arsenal fought back to make it three Europa League wins from three.
Manchester United dominated Copenhagen in the last eight of the Europa League but needed an extra-time penalty to advance.