Van Dijk's length of absence due to injury is confirmed by Jurgen Klopp.
Speaking on Virgil Van Dijk's injury Jurgen Klopp said: "It was a surprise to us, he didn’t feel anything.
"It was a harsh diagnosis. We talk about weeks, more than a month but I hope it goes quickly. We have other centre halves,” Klopp said.
Van Dijk picked up an injury in the game against Brentford which Liverpool eventually lost 3-1.
The big defender will now be ruled out until early February at the earliest, It's a massive blow for Liverpool.