Napoli begin their title defence at Sassuolo on Saturday.
Robin van Persie's hat-trick lifted the gloom surrounding Manchester United and manager David Moyes as the English side beat Olympiakos Piraeus 3-0 to overturn a 2-0 first-leg deficit and reach the Champions League quarter-finals on Wednesday.
Manchester City squandered a three-goal lead to draw 3-3 with Feyenoord in the Champions League on Tuesday.
Manchester United breezed into the next round with a 6-1 aggregate win over Club Brugge
Jose Mourinho's side top Group G with a maximum nine points, three clear of second-placed Slavia.
In the other pairings, English champions Manchester United will take on Greek club Olympiakos, while AC Milan take on Atletico Madrid.
Holders Real Madrid will start their attempt to win a record third straight Champions League title in a group with Borussia Dortmund, Tottenham Hotspur and Apoel Nicosia after Thursday's draw.
Manchester United's hat-trick hero Robin van Persie was carried off on a stretcher in the final minutes of their Champions League second leg against Olympiacos.
Manchester United kept their season alive by reaching the Champions League quarter-finals with a memorable victory over Olympiakos Piraeus on Wednesday, but under-pressure manager David Moyes was not getting too carried away.
Real Madrid's Cristiano Ronaldo set a Champions League group phase scoring record on Tuesday as Bayer Leverkusen and Olympiakos Piraeus reached the last 16 and snow forced Galatasaray's match with Juventus to be abandoned.
Manchester United striker Robin van Persie will be sidelined for up to six weeks after spraining his knee in the midweek Champions League win over Olympiakos Piraeus, the club said on Friday.
Images from the Champions League matches played across Europe on Wednesday.
It was an epic night of high drama, and Robin van Persie was at his lethal best. The Dutch striker came up with a stunning hat-trick to lift the pressure on David Moyes and gloom surrounding Manchester United.
Olympiakos Piraeus may never have a better chance to overcome their Manchester United hoodoo than in Tuesday's first leg of their last-16 Champions League tie.
Arsenal have left six first-team regulars in London ahead of their final Champions League group stage match against Olympiakos Piraeus in a bid to avoid fatigue following the home defeat to Swansea City.
In the third-tier Europa Conference League, English Premier League club Leicester City will face Danish side Randers and Scottish club Celtic will take on Norwegian champions Bodo/Glimt in the knockout playoff round.
Arsenal defender Andre Santos will undergo ankle surgery this week and is expected to be sidelined for around three months, the Premier League club said on Monday.
Valencia have agreed to appoint Ernesto Valverde to replace Mauricio Pellegrino as their new coach until the end of the season, the Spanish club said on Monday.
European champions Real Madrid will face former champions Liverpool, FC Basel and debutants Ludogorets of Bulgaria following the draw for the group stage of the Champions league on Thursday.
Panathinaikos won the Greek title for the first time in six years by beating Iraklis 2-0 on Sunday.
Arsenal, VfB Stuttgart and Olympiakos Piraeus all scored 2-0 away wins in their final Champions League playoff matches on Tuesday to take a big stride towards the group stage before next week's second legs.
Girondins Bordeaux survived a second-half scare to grab a 2-1 win over Olympiakos Piraeus on Wednesday and give France a second team in the Champions League quarter-finals.
Girondins Bordeaux are on course to reach the Champions League quarter-finals for the first time after Michael Ciani's first-half header earned Laurent Blanc's side a 1-0 victory at Olympiakos Piraeus on Tuesday.
Holders Barcelona booked a Champions League last 16 berth with a 2-1 win at Dynamo Kiev on Wednesday and were joined by Group F rivals Inter Milan, who sealed their passage with a 2-0 home defeat of Rubin Kazan.
Twice UEFA Cup winners Sevilla failed to reach the knockout phase after a 1-0 defeat at Sampdoria eliminated the Spaniards. Sampdoria's victory sent them through from Group C along with VfB Stuttgart, who thumped Standard Liege 3-0 to progress to Friday's last 32 draw. Paris St Germain, twice winners Tottenham Hotspur, NEC Nijmegen and Olympiakos Piraeus also sealed places in the first knockout round.
Primera Liga champions and leaders Real are at home to Greek title-holders Olympiakos Piraeus while injury-hit Barcelona are away to Rangers in this week's Champions League fixtures.
Ricardo Quaresma scored a stoppage-time goal to give Porto a 1-0 victory over Besiktas.
Roma knocked Real Madrid out of the Champions League and reached the quarter-finals, where they were joined by Chelsea and Schalke 04.
Roma came from behind to beat Real Madrid while Chelsea were held in Tuesday night's Champions League matches.
The former Brazil international pulled a groin muscle in Sunday's 2-1 home defeat by PAOK Salonika.
After damaging losses to Dinamo Zagreb and Olympiakos Piraeus in their first two fixtures, the Gunners have to win to advance to the knock-out stages
A rare headed goal from Rivaldo earned Olympiakos Piraeus a 1-0 win over Akratitos in the Greek first division.
\nArgentine forward Javier Saviola clinched a 1-0 win in Champions League Group A match.