After an even first 45 minutes, strikes from Pablo Sarabia and Wissam Ben Yedder stunned the Catalans and left them needing a second-leg comeback at the Nou Camp for the second consecutive round in the competition.
Nico Rosberg won his home German Grand Prix for Mercedes on Sunday to stretch his overall lead in the Formula One championship to 14 points.
Defending champion Rafa Nadal recovered from losing the opening five games against Ernests Gulbis to book his place in the quarter-finals of the Rome Masters on Thursday.
Here is a timeline of Djokovic's decline since the last of his 12 Grand Slam titles.
Agustin Mazzilli and Gonzalo Peillat scored a brace each to help Olympic champions Argentina eke out a 4-3 win over Spain, while New Zealand scrapped past France 2-1.
A stoppage-time goal from Branislav Ivanovic helped Chelsea become the first English club to win all three of UEFA's major trophies as they beat Benfica 2-1 in the Europa League final.
"I don't know what can happen in the future or not. But yeah, 11 here already is something really unbelievable. I always say the same. It looks, for the most of you, and even for me, looks so difficult to increase that number for anyone in the future. But if I did it, and I consider myself a normal person, probably someone else is gonna do it."
The Indian pair of Mahesh Bhupathi and Rohan Bopanna entered the quarter-finals of the men's doubles event while Leander Paes and Sania Mirza made exit with their respective partners at the Madrid Open, on Wednesday.
On Friday, Colombian President Juan Manuel Santos won the Nobel Peace Prize for "his resolute efforts to bring the country's more than 50-year-long civil war to an end, a war that has cost the lives of at least 2,20,000 Colombians and displaced close to six million people". For those who don't know about the situation in Colombia, here's a simple explainer.
A late own goal from Phil Jones secured Chelsea a 1-0 victory at Manchester United on Sunday to leave the Londoners poised for a top-four finish and a Champions League place next season.
Spaniard Juan Mata's late strike secured Chelsea a 1-0 victory at Manchester United on Sunday to leave the Londoners poised for a top-four finish and a Champions League place next season. Mata settled a poor game when his left-foot shot in the 87th minute took a slight deflection off United defender Phil Jones and beat keeper Anders Lindegaard.
Novak Djokovic extended his winning streak to 17 matches by beating Juan Martin del Potro 6-3, 7-6 in the Dubai tennis championship semi-finals on Friday to stay on track for a potential final with holder Roger Federer.
P V Sindhu reaffirmed her status as the rising star of Indian badminton as she lifted her maiden Grand Prix Gold title in Malaysia after getting the better of Juan Gu of Singapore in a gruelling final in Kuala Lumpur on Sunday.
Top seed P V Sindhu stormed into the final of the women's singles event at the Malaysia Grand Prix Gold badminton tournament with a straight-game win over Sapsiree Taerattanachai of Thailand in Kuala Lumpur.
Images from Friday's play at the US Open.
Rediff.com gives you a glimpse of the jubilant Catalan team...
India's Somdev Devvarman entered the second round of the Dubai Duty Free Tennis Championship beating Russia's Igor Kunitsyn in straight sets, in Dubai.
News of all that's transpired on and off the football field
The Premier League's big-hitters restored some normality to the FA Cup on Sunday with holders Chelsea crushing third tier Brentford 4-0 in a fourth round replay while Manchester City also dismissed Leeds United 4-0 in a fifth round tie.
Argentine Juan Martin del Potro is favourite to add his name to the banner of champions wrapped around the Ahoy Arena after beating Bulgaria's Grigor Dimitrov 6-4, 6-4 at the World Indoor Tournament on Saturday.
Fernando Torres scored twice as third-placed Chelsea won 3-1 at Sunderland to record their first English Premier League victory under interim manager Rafael Benitez.
Sarri was without Cristiano Ronaldo for the trip to the Gewiss Stadium as the Portuguese forward recovers from a knee problem ahead of Tuesday's Champions League meeting with Atletico Madrid in Turin.
Paris St Germain's trip to Valencia in the Champions League on Tuesday pits the wealthy French team against one of many La Liga clubs struggling to stay competitive after years of financial struggle.
Rafael Nadal made a successful comeback after a seven-month injury absence with victory in the first round of the Chilean Open doubles on Tuesday.
Mahesh Bhupathi returned to Grand Slam action with a first-round win at the Australian Open but Leander Paes' bid fell flat at the first hurdle, in Melbourne, on Wednesday.
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.
Novak Djokovic believes he has left his recent poor form behind and will be in top shape when he leads Serbia in this weekend's Davis Cup quarter-final tie against the United States.
News of all that's transpired on and off the football field
The eight top men to watch at the World Athletics Championships in Doha, from September 27 to October 6.
Here are images from a hot, hot day from Melbourne Park...
For the second time in three days at the ATP Finals, Rafael Nadal fought off one of the game's rising powers but beating Greek Stefanos Tsitsipas proved in vain as his semi-final hopes vanished on Friday.
The fist pump was back, along with the crunching forehand crosscourt winners, energetic movement and the never-say-say-die attitude.
Novak Djokovic sat out last year's U.S. Open to rest an elbow injury that eventually required surgery, but that pain and frustration felt like a distant memory on Friday when the Serb completed his march to the New York final with authority.
World number one Novak Djokovic's unbeaten run of 22 matches came to an end on Saturday when he was upset 4-6, 6-4, 6-4 by Argentina's Juan Martin Del Potro in the BNP Paribas Open semi-finals in Indian Wells.
United youth product Gomes, 18, struck after Spurs' Lucas Moura cancelled out Anthony Martial's first-half opener and gave the 20-time Premier League champions another victory after they beat Perth Glory, Leeds United and Inter Milan.
Defending US Open champion Rafael Nadal and twice winner Novak Djokovic are one victory away from renewing their rivalry in the final with both expected to get through their semis on Friday.
A spectacular piledriver from Juan Cuadrado gave Serie A leaders Juventus a 1-0 win over Inter Milan, ending a run of seven successive Serie A wins for their opponents in a pulsating end-to-end match on Sunday.
Rafael Nadal has pulled out of next week's ATP Tour Finals in London due to injury, so Novak Djokovic will end the year as world number one having returned to the top of the rankings on Monday.
German 11th seed Angelique Kerber became the highest-ranked player to reach the women's quarter-finals after she outclassed Switzerland's Belinda Bencic 6-3, 7-6 (7-5) at Wimbledon on Monday.
Third seed Tomas Berdych saved three match points before beating defending champion Roger Federer in the semi-finals of the Dubai championships on Friday to set up a final against Novak Djokovic.