In the other pairings, English champions Manchester United will take on Greek club Olympiakos, while AC Milan take on Atletico Madrid.
Inter Milan face Barcelona, Tottenham Hotspur and PSV Eindhoven in Group B which features three former European champions.
Aston Villa have appointed former Chelsea boss Roberto Di Matteo as their new manager, the BBC reported on Thursday.
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Jose Mourinho stayed on course to become the first coach to win the Champions League with three different clubs when Real Madrid beat Tottenham Hotspur 1-0 on Wednesday to seal a 5-0 aggregate rout in the quarter-finals.
Manchester City's quadruple bid remained intact as Ilkay Gundogan and Kevin de Bruyne secured a 2-0 win at Everton in their FA Cup quarter-final clash
Unai Emery's Villarreal were much improved in the second half and had spurned numerous chances before Moreno's leveller.
Images from the Champions League matches played across Europe on Wednesday.
Bayern Munich eased past Nuremberg 2-0 on Saturday with Franck Ribery and Arjen Robben on target to maintain a perfect start to the season and join a cluster of teams with nine points at the top of the table.
The League champions beat Schalke 04 in the German Cup final on Saturday.
A Roy Makaay hat-trick and Schalke 04's draw sealed their 19th German championship.
Images from the EPL matches played across England on Saturday.
Holders Real Madrid survived a huge scare when they lost 4-3 to Schalke 04 in the Champions League on Tuesday but squeezed into the quarter-finals 5-4 on aggregate thanks to record European marksman Cristiano Ronaldo.
Having seen the domestic league and cup double go to Porto last term, Benfica missed a string of chances against PAOK in a one-sided first half as they enjoyed 72% of possession.
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Manchester United will be clutching at the final straw of a sobering season when they attempt to overturn a 2-0 deficit against Greek side Olympiakos and reach the quarter-finals of the Champions League on Wednesday.
Real Madrid forward Cristiano Ronaldo is itching to get back into action in Wednesday's Champions League last 16, first leg at Schalke 04 after serving a three-match La Liga ban, coach Carlo Ancelotti said on Tuesday.
Bundesliga players are free to show their support for protests over the death of George Floyd, an unarmed black man killed in police custody in the United States, the German Football Association (DFB) said on Wednesday.
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Ten of the 16 sides also reached the same round two seasons ago and, as usual, the big five leagues dominate with 13 clubs hailing from either the English, Spanish, German, French and Italian leagues.
Manchester City manager Pep Guardiola has confirmed he is interested in signing Everton's young centre back John Stones, who has been linked with a 50 million-pounds ($65.72 million) move to the Etihad Stadium.
Celtic winger James Forrest scored a dramatic stoppage time winner to secure his club a Champions League group stage place on Wednesday alongside AC Milan, Real Sociedad, Zenit St Petersburg and Czech champions Viktoria Plzen.
The linesman wrongly signalled off-side in the match between Schalke 04 and Borussia Dortmund.
Champions Bayern Munich scored a goal late in each half to beat promoted Union Berlin 2-0 on their return to the Bundesliga on Sunday after more than two months out due to the COVID-19 pandemic, and protect their four-point lead at the top. League top scorer Robert Lewandowski converted a 40th minute spot kick and Benjamin Pavard headed in a corner in the 80th in an empty stadium, to keep the Bavarians in the driving seat for a record-extending eighth successive league title.
Hulk signs two-year contract with Atletico Mineiro.
Guardiola upbeat despite Man City setback at Tottenham
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Lightning struck twice for Marc-Andre ter Stegen on Saturday when the Borussia Moenchengladbach goalkeeper scored a bizarre own goal in a 1-1 draw at Eintracht Braunschweig and his opposite number also put through his own net.
Images of the Champpions League matches that were played on Tuesday.
Moritz Stoppelkamp scored an extraordinary goal from deep inside his own half, a Bundesliga record 83 metres, to cap a 2-0 win for upstarts Paderborn over Hanover 96 on Saturday, helping the promoted side go to of the table.
French champions Paris St Germain have agreed to sign Germany midfielder Julian Draxler from VfL Wolfsburg on a four-year deal subject to a medical, the Bundesliga club said on Saturday. The 23-year-old, who has 27 caps, made 34 league appearances for Wolfsburg, scoring five goals, after joining from Schalke 04 in August 2015. No financial details were disclosed but French media said the deal was worth 36 million euros ($37.66 million).
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.
Arsenal, aiming for a 16th successive group stage appearance, outclassed Fenerbahce 3-0 in Istanbul to take control of their Champions League playoff tie as the five home teams failed to muster a win between them in Wednesday's first leg matches.
Real Madrid, Manchester City, Arsenal and AC Milan suffered painful Champions League defeats on Wednesday which complicated their chances of progressing from an increasingly intriguing group stage.
Real Madrid's Karim Benzema rescued his side again by scoring two late goals to snatch a 2-1 win at home to Elche in La Liga on Saturday and revive his side's hopes of catching leaders Atletico Madrid.