Those 'individual battles' will be hard fought, as Sevilla will surely be desperate to take advantage of a crippled Barcelona side who are just coming off a 3-1 thrashing against Manchester City in the Champions League.
Barcelona travel to the Etihad stadium for their fourth Champions League group-stage match, where a win would more or less secure the top spot in the group for the Blaugranas.
The complete team news from Barcelona's trip to the Mestalla Stadium on Saturday.
Barcelona humbled former manager Pep Guardiola with a 4-0 win against his Manchester City team at Camp Nou. However the victory wasn't without any casualties.
The Spanish defender has revealed the former Manchester United coach once told him he was not strong enough to play for Barcelona.
Barcelona are reportedly lining up a £20m move for shock target Chelsea defender Andreas Christensen, who is currently on loan at Borussia Monchengladbach.
Here are 5 talking points from Barcelona's 1-2 victory against Borussia Monchengladbach.
Barcelona emerged as the victors from a thrilling encounter at Borussia Park as they came back from behind to beat Borussia Monchengladbach 1-2 in their Champions League tie.
Defending champions Spain take on Turkey in a Group D clash on Friday, hoping to take control of the group that also comprises of Croatia and the Czech Republic.
Defending Champions Spain managed a narrow 1-0 victory of the Czech Republic in their opening game of the tournament. Even though the Spaniards were in complete control of the match, there were clear problems upfront and Vicente del Bosque's men had to be saved by a Gerard Pique header.