Navas sprained his ankle in the 2-0 defeat to Espanyol and has to be replaced just 18 minutes into the game.
A scan on Sunday revealed that Navas will be out of action for up to four weeks.
Navas sprained his ankle in the 2-0 defeat to Espanyol and has to be replaced just 18 minutes into the game.
A scan on Sunday revealed that Navas will be out of action for up to four weeks.
