Following this stunning turn-around of fortunes for Barcelona, here is a flashback of some of the best come-from-behind wins recorded in Europe's premier club competition.
Kylian Mbappe became France's youngest scorer at a World Cup when he put Les Bleus 1-0 ahead at halftime against Peru in their second Group C game on Thursday.
Coach Maurizio Sarri was sent off as Napoli wasted a chance to return to the top of Serie A when they were held 1-1 at home by AC Milan in a tense encounter.
IMAGES from soccer matches played across Europe on Saturday.
Lazio survived a storming Napoli fight back, including a missed penalty, as they won 4-2 on Sunday to finish third in Serie A and qualify for the Champions League playoff round after both teams finished with 10 men.
Chelsea's Petr Cech was named the best goalkeeper from last season's tournament.
Napoli squandered a two-goal halftime lead, then scored two late goals to beat nine-man AC Milan 4-2 in a stormy Serie A match which saw eight other players booked on Saturday.
Images from football matches played in La Liga and Serie A in Spain and Italy on Wednesday.
Francesco Totti's free-kick gave AS Roma a thrilling 3-2 win at AC Milan on Sunday to seal the final Europa League spot and ruin Paolo Maldini's last home appearance before retirement.
Chile qualified for the Copa America final after two goals from Eduardo Vargas gave them a 2-1 win over Peru in an action-packed semi-final marked by another controversial refereeing decision.
Juventus beat Napoli 4-3 on penalties at home on Wednesday after a goalless draw to book a meeting with Lazio in the Italian Cup semi-finals.
Cristiano Ronaldo continued from where he left off in the early stages of the UEFA Champions League, adding to his goal tally as Real Madrid beat AS Roma 2-0 in their round of 16, first leg tie on Wednesday.
The football fever reaches sky-high with all eyes on Euro 2016. Tournament host France will play the opener against Romania, which will be aired in India post mid-night on June 11. As the UEFA braces for the 15th edition of the European continental championship, the tournament organisers have revealed the all time XI to play in Euro's history.
A round-up of matches played in the Serie A and French Ligue 1 on Sunday
Fourteen-time Grand Slam champion Rafael Nadal has entered the quarter-finals of the ATP Acapulco tournament with a comprehensive straight-sets victory over Italy's Paolo Lorenzi.
The world No 1 is certainly buoyed by the prospect of emulating his achievement of holding all four majors but knows that nothing less than perfection will be required.
Serena Williams will try to take a step closer to history on Saturday when she plays her third-round match at the US Open.
News of all that's transpired on and off the football field
David Beckham has said he is very honoured to be on the verge of a loan move to AC Milan and is especially excited about playing alongside defender Paolo Maldini.
Look beyond Shanghai for the next big thing.
India has become a focus of private equity firms with deals worth more than $5.9bn this year, 50 per cent more than the total for all last year. Most of the leading firms have set up in India or are finalising plans to do so.
Arsenal coach Arteta has said that Granit Xhaka will stay at the London club while United have new headaches with injuries to Paul Pogba and Scott McTominay.
In search of the next big opportunity? From Poland to Brazil, a look at some of the world's second-tier cities that are becoming first-class destinations for business.
McLaren have formally lodged an appeal against the decision not to penalise three drivers in the Brazilian Grand Prix because of fuel irregularities.
Myanmar's Foreign Minister Nyan Win, in a letter sent to Secretary-General Ban Ki-Moon on Friday, confirmed his nation had agreed to the visit by Paolo Sergio Pinheiro, the S-G's Special Rapporteur on Human Rights in Myanmar. The announcement comes as Ibrahim Gambari, UN's Special Envoy for Myanmar, continued his consultations with the troubled country's neighbours and regional partners ahead of a planned return trip to Myanmar next month.
Lazio thumped Empoli 4-0, their eighth successive league win, to go second in Serie A on Sunday and Napoli ended their dismal run with a 3-0 win over Fiorentina despite being denied a clear goal.
Genoa ended a seven-match run without a Serie A victory by winning 1-0 at Lazio on Monday after the hosts had goalkeeper Federico Marchetti sent off in the first half.
Barcelona's inconsistency over the season had cost them the La Liga title, coach Luis Enrique has said.
Troubled AC Milan slipped back to sixth in Serie A on Sunday after they lost 2-1 at home to Atalanta and rivals Udinese beat Fiorentina 3-1.
Struggling holders AC Milan will be without suspended goalkeeper Dida for the Champions League group match against Shakhtar Donetsk.
Injury-hit English clubs, Liverpool and Chelsea also open their European campaign on Tuesday.
Roberto Firmino had a goal chalked off late in the first half after the referee awarded a foul against the hosts, before substitute Gabriel Jesus found the net on the hour mark only for a Video Assistant Referee (VAR) review to deem Firmino offside in the build-up. Brazil meet Peru in their final group game on Saturday with both sides needing only a draw to seal their place in the quarter-finals
Former Brazil and Inter Milan striker Adriano could be the latest high-profile footballer to join Indian Super League.
A late strike by Gervinho sent AS Roma into the Italian Cup semi-finals with a 1-0 win over league title rivals Juventus in a tense atmosphere at a packed Olympic Stadium on Tuesday.
Serge Gnabry scored twice as Bayern Munich beat Chelsea 3-0, while Antoine Griezmann's second-half equaliser handed Barcelona a vital away goal and earned them a 1-1 draw at Napoli in their Champions League last 16, first leg on Tuesday.
The 38-year-old defender became only the fifth player, and first Italian, to notch up 100 Champions League appearances.
'When I signed, I only knew that East Bengal are a big club with great history. I have no idea about ISL or any other tournament. I came here because East Bengal are a big club'.
The Italian defender collected 40 percent of the readers' vote conducted annually by a British-based sports magazine.
The 38-year-old is struggling to shake off a knee injury he picked up in Milan's 3-2 defeat at Old Trafford last week.
Rome's bid to host the 2024 Olympic Games was unanimously endorsed by the Italian Olympic Committee (CONI) in what bid president Luca di Montezemolo described as an important signal of support.