Olivier Giroud's powerful header early in the second half gave AC Milan a 2-1 Champions League home win over PSG in a pulsating Group F contest on Tuesday.
Celtic suffered Champions League heartache as Pedro's stoppage-time header saw Lazio snatch victory at Parkhead.
Lazio goalkeeper Ivan Provedel secured a crucial point for his team in the closing moments of their Champions League Group E match against Atletico Madrid.
Arsenal have been drawn against Sporting Lisbon in the Europa League last 16, with Manchester United facing Real Betis.
Toni Kroos claimed a goal and an assist as Real Madrid beat second-bottom Cadiz 2-1 in their last La Liga match before the World Cup break.