The Champions League play-offs are set to deliver high-octane drama as Manchester City prepare to battle European heavyweights Real Madrid, while Celtic brace for a daunting clash against Bayern Munich, with last-16 spots on the line.
Even as Portugal clubs began training last week and players found COVID-19 positive, the Portuguese government has issued guidelines for restart of the Primeira Liga.
With the away goals rule no longer in place this season, PSV missed a string of chances to force extra time with Eran Zahavi hitting the crossbar from three metres with the goal at his mercy in the 62nd minute.
Fans had gathered outside the gates of Benfica's stadium in Lisbon to support the team because restrictions imposed due to the coronavirus outbreak prevented them entering the ground.
Benfica's Primeira Liga match at Belenenses on Saturday was abandoned amid extraordinary scenes after their COVID-19-hit opponents were forced to name a team of nine players - including two goalkeepers.
The three Premier League and three La Liga clubs in the last eight avoided each other, with Manchester City up against Atletico Madrid and Liverpool to face Portuguese side Benfica.
The prosecutor general's office said Benfica Vice President Fernando Tavares was also a suspect in the case, along with a high-ranking judge and nine other people, five of whom were detained in a police operation on Tuesday.
A round-up of Tuesday's action in the UEFA Champions League.
Crowd trouble forced Benfica's Primeira Liga match at Academica Coimbra to be interrupted for five minutes late in the second half on Sunday, prompting the Lisbon club to protest at heavy-handed policing.
IMAGES from the UEFA Champions League matches played on Wednesday.
Manchester City came from behind to beat Club Brugge 3-1 and secure their place in the Champions League playoffs
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.
Ruben Amorim is set to become the next manager of Manchester United with the Premier League club prepared to pay Sporting the 10 million euros ($10.79 million) release clause, the Portuguese club said on Tuesday.
IMAGES from the Champions League matches played on Wednesday.
News of all that's transpired on and off the football field
Barcelona snapped their four-match winless streak in LaLiga with an emphatic 7-1 victory over Valencia on Sunday.
Lewandowski strike gives Barcelona 1-0 win over Alaves
Visitors Ajax had looked comfortable after former Southampton winger Tadic set up the first goal with a swerving cross before drilling home the second himself.
Premier League champions Manchester City were drawn on Thursday with Juventus, Wydad AC and Al Ain in Group G for next year's FIFA Club World Cup in the United States.
Benfica confirmed on Thursday they had talked to Manchester City's Swedish coach Sven-Goran Eriksson about a possible return to Portugal, the club said in a statement.
Twice European champions Benfica reached the UEFA Champions League quarter-finals for the first time since 2006 when goals by Uruguay's Maxi Pereira and Portugal's Nelson Oliveira secured a convincing 2-0 win over Russia's Zenit St Petersburg.
Benfica, helped by an excellent Champions League debut from goalkeeper Ederson, clung on desperately then scored two late goals to beat Zenit St Petersburg 2-1 and reach the quarter-finals on Wednesday.
Manchester City have one just victory from their last 10 games across all competitions.
Nine players from the Premier League have been called up including Ruben Dias, Diogo Dalot, Bruno Fernandes, Bernardo Silva and Diogo Jota. Goncalo Inacio is the only Sporting player in the squad.
A first-half penalty earned Lille a shock 1-0 home victory over holders Real Madrid in the Champions League group phase on Wednesday.
An Aaron Ramsey strike and a Kalidou Koulibaly own goal gave Arsenal a 2-0 victory over Napoli in the first leg of their Europa League quarter-final, while Chelsea beat a stubborn Slavia Prague 1-0.
A thunderous free-kick by Paraguay striker Oscar Cardozo gave Benfica a 2-1 first-leg home win over Braga in their all-Portuguese Europa League semi-final on Thursday.
A thrilling draw away to Salzburg enabled Serbian champions Red Star Belgrade to reach the Champions League group stage for the first time where they will be joined by Portugal's Benfica and Dutch side PSV Eindhoven. Red Star, who won the European Cup in 1991, came back from two goals down in an electrifying second leg in Austria to draw 2-2 and go through on away goals.
Paraguay striker Oscar Cardozo's well-taken double fired Benfica into a Europa League final with Chelsea after they beat Fenerbahce 3-1 in Lisbon to win their semi-final 3-2 on aggregate.
Images from the Europa League matches played across Europe on Thursday.
IMAGES from the UEFA Champions League matches played on Wednesday
Benfica's Oscar Cardozo scored a hat-trick in a 4-3 extra-time win over Lisbon rivals Sporting in the Portuguese Cup last 32 on Saturday with Luisao grabbing the winner after a blunder by visiting keeper Rui Patricio.
Argentina host Chile at the Monumental stadium in Buenos Aires on September 5 before facing Colombia five days later in Barranquilla.
Porto clinched their 26th Portuguese Premier League title after fierce rivals Benfica slipped to a 2-2 draw at Rio Ave on Sunday, extending their decade-long domination of Portuguese football.
IMAGES from the UEFA Champions League matches played on Wednesday.
Goals from Hulk and Axel Witsel helped Zenit St Petersburg get their Champions League campaign off to the perfect start as they beat 10-man Benfica 2-0 away on Tuesday.
Photos from the UEFA Champions League round of 16 first leg match played between Benfica and Zenit St Petersburg at the Stadium of Light in Lisbon on Tuesday
Eriksson, known in Sweden simply as "Svennis", led England to the 2002 and 2006 World Cup quarter-finals, and to the 2004 European Championship, managing a golden generation of players that besides Beckham included stars such as Frank Lampard, Wayne Rooney and Steven Gerrard.
UEFA banned two Girondins Bordeaux players on Tuesday for a total of five European club matches after ugly scenes during their UEFA Cup defeat by Anderlecht.