The Senegal international picked up the injury during last weekend’s 3-1 win over Everton in the Merseyside derby and sat out the midweek draw with Bournemouth.
But a demoralised the 24-year-old requires surgery on the ligament injury and is unlikely to be available for Liverpool’s final seven games of the season.
Sadio Mane needs surgery. We're not 100% sure when it will happen. It's clear - season over.
The winger’s absence will be a huge blow to Liverpool’s top four hopes.
Klopp’s side have not won any of the games that Mane has missed this season, averaging just 1.3 goals per game in those matches – a whole goal-a-game less than their season average.
And Wednesday's 2-2 draw with Bournemouth saw that unwanted streak stretch to four games.
Read the full article on eurosport.co.uk: Liverpool’s Sadio Mane ruled out for the rest of the season