Rangers joined Barca in the last eight despite losing 2-1 at Red Star Belgrade, progressing 3-2 on aggregate.
The win took Barca to the top of the standings on 68 points although Real Madrid, on 65, will reclaim their lead due to their superior head-to-head record if they beat Real Mallorca at home on Wednesday.
Marseille cement second place with Montpellier win
Barcelona great Xavi Hernandez has said it is his dream to coach his former side
IMAGES from the Champions League matches played on Tuesday.
Barcelona will go to the international break on top of the standings on a perfect 12 points from four games, five ahead second-placed Villarreal and seven clear of bitter rivals Real Madrid
'The decision to let me leave was something that not only (Lionel) Messi didn't understand, but many Barcelona fans didn't, either.'
Both managers have struggled in the Champions League this season, with PSG on seven points and 25th in the standings, one place outside the knockout phase playoff zone, while City are one point ahead in 22nd.
But Font believes Messi's love for Barcelona, who he joined aged 13, is so deep that he could lower his salary demands in order to stay.
IMAGES from Europa League matches played on Thursday.
The Barca chief also said that the financial situation that he had inherited from former club president Josep Maria Bartomeu was "far, far worse" than anticipated.
"Both in terms of what you save on the wage bill as well as the money you make, it would've been desirable. But this is something the coaching staff have to consent to and that's not my place.
Lionel Messi became Barca's record appearance maker in the competition with 76 Copa matches.
Paris St Germain buried the ghosts of their embarrassing 2017 exit as they drew 1-1 at home with Barcelona on Wednesday to complete a 5-2 aggregate victory that sent them into the Champions League quarter-finals.
Barca, chasing a third consecutive Spanish title, are on 76 points after 35 games while Real Madrid are top with 77 and can restore their four-point advantage when they host Alaves on Friday.
Lionel Messi was seen smiling as he and his fellow players worked through persistent rain at the club's Joan Gamper training complex under the orders of new coach Ronald Koeman.
Ancelotti's second-string players proved they were up to the task as they secured three points for Real and kept them on course for the inevitable LaLiga title celebrations.
Barca will now visit seventh-placed Osasuna on Saturday before hosting Young Boys in the Champions League next week, when they will look to rebound following a 2-1 loss in their opening match at Monaco.
Barcelona have sacked manager Xavi Hernandez, the La Liga club said on Friday, four weeks after confirming he would honour the last year of his contract and lead them through next season.
Lionel Messi kept his nerve from the penalty spot to give Barcelona a 1-0 win over Real Sociedad in La Liga on Saturday and return his side to the top of the table.
A round-up of Saturday's action in LaLiga, Ligue 1 and Serie A.
When Barca and Neymar were at the peak of their powers in 2017, however, he shook world football by heading to PSG for a record-smashing 222 million euros ($269.89 million).
A round-up of Wednesday's action in the UEFA Champions League.
Barca's Suarez in firing line after European away goals drought
IMAGES from the Champions League matches played on Tuesday.
Barcelona were in danger of being toppled from the top of La Liga standings on Sunday after they suffered a shock 2-1 defeat at Deportivo La Coruna.
According to widespread Spanish media reports, Netherlands coach and former Barca defender Ronald Koeman is set to be named as Setien's successor.
Bartomeu's lawyers could not immediately be reached for comment.
Inter Milan got a crucial 1-0 win at Juventus on Sunday
News of all that's transpired on and off the football field.
'This is very special because of how much I suffered. My statistics show I've won five league titles in seven years.'
Barcelona are top of La Liga and have lifted back-to-back league titles under the Spanish coach, but there are concerns over the team's levels of performance and style.
'I take responsibility for my errors and if they existed, it was only to make Barcelona better and stronger'.
Reuters television footage showed players arriving for the session which began at 1730 local time (1530 GMT) and Messi did not appear.
Messi's damning assessment of the team came home to roost when the season re-started after the coronavirus stoppage and Barca surrendered the league title to Real Madrid, prompting the captain to launch a new tirade against the team.
With the Catalans shorn of three of their top forwards, all eyes will be on Griezmann in his first appearance at the Camp Nou since his 120-million-euro ($133 million) move from Atletico Madrid, and not least because Barca need a win to kickstart their season.
'We're going to work very hard to build a strong team but we'll have to make changes because the image of the other day is not what we want. We'll have to work hard to recover our prestige.'
Neymar's acrimonious split from Barcelona escalated on Thursday as the Paris St Germain forward announced plans to sue the La Liga club, two days after Barca revealed they were suing the Brazilian over breach of contract.
Morata to stay on loan at Juventus for another season
Ferran Torres scored a brace and Ousmane Dembele made two assists as a red-hot Barcelona rolled over Osasuna 4-0 on Sunday to earn their fourth consecutive LaLiga win.
