Ansu Fati is the second-youngest player to represent the Catalan giants in La Liga aged 16 years and 298 days.

Barca, who were without injured talisman Lionel Messi, started on the back foot and fell behind when Nabil Fekir netted with a sublime angled strike in the 15th minute. Griezmann, who joined Barca last month from rivals Atletico Madrid, scored four minutes before halftime to level the scores.

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.

La Liga champions Barcelona fell to their first opening day defeat of the season in 11 years when they were beaten 1-0 at Athletic Bilbao thanks to a sensational late overhead kick from veteran striker Aritz Aduriz.

Valverde refused to answer questions about the club's interest in Neymar and lamented the fact that the Spanish transfer window does not shut before the season starts, as it does in England.

The Catalans will not just be looking to extend their domestic hegemony, though, as they have spent a combined 250 million euros ($280 million) on a renewed bid to win the Champions League.

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De Jong is proud to join the likes of compatriots Ronald Koeman, Frank de Boer and Patrick Kluivert in heading to the Nou Camp, having dreamed of wearing Barca colours.

Barcelona have been very active in the transfer market in recent years, completing three of the top six most expensive transfers ever.

Barcelona announced the signing of Griezmann this month for 120 million euros

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France forward Griezmann, 28, rejected a move to Barcelona last year but announced in May he was leaving the Madrid side, where he has spent the last five seasons since signing from Real Sociedad in 2014.

Moreno, who holds a degree from the University of Barcelona in trade and international relations, began working alongside Luis Enrique with Barcelona's B team in 2010 in the scouting department.

A summary of Saturday's football action across the world.

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'A ridiculous goal conceded from a corner will be the epitaph of this team, which repeated the mistakes of Rome'

'We have to do a lot of self criticism because this is the second time that the same thing has happened to us. We cannot commit the same mistake two years in a row, there are many things we need to consider and think about'

The victory saw the unfashionable Madrid club tighten their grip on the coveted fourth spot in the table by moving on to 58 points after 36 games, three points clear of nearest challengers Sevilla, who lost to Leganes on Friday.

Atletico Madrid fell to their heaviest league defeat of the season

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Messi's first act as Barcelona captain was to tell the club's fans at a pre-season friendly in August against Boca Juniors that he and his teammates "will do everything possible so that beautiful and desired cup returns here to the Nou Camp".

'They were better than us for some spells and we know what awaits us over there' Valverde pointed to his team's sensational exit from last year's competition to AS Roma after a 4-1 cushion from the first leg and said they would be taking nothing for granted in Tuesday's return game at Anfield.

IMAGES from the Champions League 2nd semi-final first leg match between Barcelona and Liverpool at Nou Camp on Wednesday

Leeds United manager Marcelo Bielsa asked his players to allow the visitors to score unchallenged when the game was restarted.

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Real Madrid dropped points for the third time in seven games since Zinedine Zidane's return as they were held to a 0-0 draw away to Getafe in La Liga on Thursday, which harmed their neighbours' hopes of a top-four finish.

Atletico Madrid delayed Barcelona's La Liga title celebrations by beating Valencia 3-2 at home in an entertaining game on Wednesday at a sparsely attended Wanda Metropolitano stadium.

Barcelona have one hand firmly on the La Liga title after winning 2-0 at Alaves on Tuesday, leaving them 12 points clear at the top of the table with four games to play.

Karim Benzema made history at Real Madrid, the battle for the top four continues to heat up

'He's an exceptional talent, him and Cristiano have been the best players in the world the last decade and he showed why we think that and why this team have won the Champions League so many times'

IMAGES from the UEFA Champions League quarter-final 2nd leg matches played on Tuesday

'We want not only to defend it but also show that we are superior and we need to have a good game'

La Liga leaders Barcelona drew 0-0 at Huesca on Saturday and are nine points clear of second-placed Atletico Madrid, who cut the gap by beating Celta Vigo 2-0.

An early own goal by Luke Shaw, who deflected in a header from Luis Suarez, decided a tight first leg and gave Barca their first victory at Old Trafford in five attempts in European competition.

Images from the UEFA Champions League quarter-final first leg matches played on Wednesday

'I arrived at Manchester United a boy, and I left a man'

Former India captain and current Under-19 coach Rahul Dravid visited Camp Nou to witness Barcelona playing against Athletico Madrid in the La Liga clash on Sunday.

Barcelona closed in on the La Liga title after beating 10-man Atletico Madrid 2-0 in Saturday's top-of-the-table showdown at the Nou Camp as late strikes by Luis Suarez and Lionel Messi gave the Catalans an 11-point lead at the top of the table.

Diego Simeone called on his Atletico Madrid side to show their true colours when they face La Liga leaders Barcelona on Saturday in a crucial title clash.

IMAGES from the La Liga matches played on Tuesday