Liverpool are facing a major dilemma ahead of their game against Southampton on Saturday (18 November) after the Senegal Football Association revealed that the hamstring injury that Sadio Mane sustained while on worldwide duty in October could have recurred.
The Senegalese FA issued a statement regarding the matter on Sunday, citing "an old injury" as the reason for his early departure from the squad, after he starred in their triumphant 2-0 victory over South Africa on Friday, securing their place at the World Cup Finals for the first time since 2002.
A statement reads: "The Senegalese Football Federation informs the national and global opinion that, following the match South Africa against Senegal on Friday, November 10, 2017, in Polokwane, the player Sadio Mane was slightly felt (sic) from his old injury".
Has he suffered a recurrence of his hamstring injury? We respect how important he is for Senegal and therefore it must always be the case that they get to make the decision when he is under their care. He is so proud of his country and recognises what a role model he is for them.
Mane has only recently returned from a separate injury he sustained during the previous worldwide break, but Liverpool are once again sweating over the fitness of one of their key players.
Mane played 77 minutes against the Hammers, whom they beat 4-1 and he looked back to full fitness despite returning after a two-week layoff.
The extent of the injury remains unknown and Mane will be assessed at Melwood before a decision is made on whether or not he will be available to feature against former club Southampton on Saturday afternoon.