The Dutch centre-back will move to Anfield in a transfer that is understood to be worth £75million, the highest price ever paid for a defender.
Southampton announced: “Southampton football Club can confirm it has reached an agreement with Liverpool over the transfer of Virgil van Dijk.
“Southampton have agreed a fee that will set a new world-record for a defender. The club wishes Virgil well in his future when the deal is completed on January 1st 2018.”
Provided by Press Association Sport