Barcelona are sweating over the fitness of striker Samuel Eto'o after he was stretchered off during Wednesday nights Champions League match with Werder Bremen.

The Cameroon international was replaced in the 65th minute of the match after suffering a knee injury while attempting a pass.

The initial assessment is that Eto'o has ruptured the meniscus in his right knee and although the striker will need to undergo further tests, Barcelona doctor Ricard Pruna admitted: "If this diagnosis is confirmed he could be out for between two and three months."