Tottenham will this weekend complete the signing of midfielder Pierre-Emile Hojbjerg from Southampton, as Kyle Walker-Peters heading the other way.
British media reports that the two players are not moving in opposite directions on swap deals, but fees of £15million for the Dane and £12m for the English defender have been agreed.
Hojbjerg will now discuss personal terms with Tottenham, which is expected to be a formality given the player's desire to join Jose Mourinho's team.
Mourinho has been an admirer of Hojbjerg for some months, with Spurs registering tentative interest in the 25-year-old during the January transfer window.
The former Bayern Munich star has been vocal about his desire to play at a higher level in the Premier League and in Europe. Spurs will play in next season's Europa League.
Meanwhile, Walker-Peters who has been on loan at Saint Mary's will make his stay permanent, reuniting with Scott Parker who with the midfielder when a coach at Spurs.