Sergio Aguero will be out up to 10 weeks after suffering a calf injury during Sunday\'s training session.
Aguero was unable to make his debut in Barca\'s 3-0 victory over Juventus in the Joan Gamper trophy.
Ronald Koeman described Aguero\'s injury on Sunday as a \"setback.\"
\"It\'s a pity he got injured and could not play 30 minutes at the Gamper,\" Koeman said. \"It\'s a setback as he was training and can bring a lot to the team with his quality up front.\"