Real Madrid sent a warning to Barcelona just two weeks ahead of El Clasico by storming back into form as Cristiano Ronaldo scored twice in a 5-0 thrashing of Sevilla on Saturday.
"Dembele travelled on Monday morning to Helsinki, Finland, where he will undergo surgery to repair a rupture of the biceps femoris tendon in his left thigh," Barcelona said in a statement on Monday.
Given Real could feature in the Club World Cup final in Japan on 17 December , the European champions have been given extra recovery time.
Legends of Spanish giants Barcelona and Real Madrid were to play an exhibition match in memory of Dutch legend and Barcelona star Johan Cryuff.
Real Madrid coach Zinedine Zidane confirmed on Saturday he will sign a contract extension in the near future with the club he has guided to back-to-back Champions League titles
Pre-season friendlies: Barcelona and Real Madrid to lock horns on Sunday as El Clasico fever grips Miami
They have played Super Bowls, World Series and NBA championships in Miami but on Saturday, one of soccer's great rivalries will be the hot ticket when Real Madrid and Barcelona meet in a rare El Clasico away from Spanish soil.
Barcelona coach Luis Enrique revelled in turning the tables on bitter rivals Real Madrid as Lionel Messi struck deep into stoppage time to edge a thrilling El Clasico 3-2 on Sunday.
El Clasico: Lionel Messi's 500th goal hands Barcelona lifeline in La Liga title race with Real Madrid
Lionel Messi handed Barcelona a vital win over Real Madrid with his second goal, which was also his 500th for the club, coming in the last minute of stoppage time.
La Liga: Lionel Messi revives Barcelona's title hopes with late winner against Real Madrid in El Clasico
Lionel Messi struck his 500th Barcelona goal with almost the last kick of the game to blow the La Liga title race wide open with a thrilling 3-2 win at Real Madrid.
Ahead of a hotly contested El Clasico clash between Real Madrid and Barcelona, ex-Real player Christian Karembeu talks to Firstpost about the importance of the match.
Barcelona trail Madrid by three points at the top of La Liga and have played a game more than their title rivals.
Barcelona made a last-gasp bid to have star striker Neymar back for Sunday's critical Clasico clash with an appeal to a Spanish sports court against his three-game ban
"This is a team that never gives up, that fights for every title, doesn't relax and always accepts the challenge," Luis Enrique said after Barcelona's ouster from the Champions League.
Lionel Messi kept Barcelona's title hopes alive with two goals and an assist to see off Real Sociedad 3-2.
Neymar was shown the first red card of his Barcelona career for two bookable offences as Barca's title defence suffered a big blow in a 2-0 defeat at Malaga on Saturday.
Spain have put everything in football: Frederic Kanoute talks to Firstpost about La Liga's supremacy and El Clasico giants
Kanoute was in Mumbai to host the El Clásico screening on 4 December and Firstpost caught up with the former Sevilla man to discuss Spanish football, challenges of facing the La Liga behemoths Barcelona and Real Madrid, the difference between the football cultures in England and Spain, his development into a deadly striker at Sevilla and much more.
Playing at Camp Nou hasn't always been a pleasant experience for Barcelona this season.
A 90th minute goal from Real Madrid's Sergio Ramos cancelled out Luis Suarez's opening goal for FC Barcelona to ensure honours were shared at the Camp Nou.
Barcelona boss Luis Enrique believes the Spanish champions need a dramatic improvement in their home form if they are to prevent Real Madrid winning La Liga
As Barcelona hosted Real Madrid, here are some memorable pictures from the thrilling encounter.