The versatile Belgian spent last season on loan at Tottenham’s Premier League rivals Southampton, and appears to have impressed Spurs boss Mauricio Pochettino with his form in the Premier League as the Saints confounded all expectations by finishing in seventh place, just four points worse off than Spurs.
It is understood that the 26-year-old has told his closest friends that he is very close on securing a move White Hart Lane.
The Saints remain interested in converting the Belgian’s loan deal into a permanent move for £5.7 million, but Atletico are prepred to cancel that option for £1.43 million.
Alderweireld made 27 appearances in all competitions for Southampton under Ronald Koeman last season, scoring once. He has also been capped 47 times by the Belgian national team, and has won domestic honours at both Atletico and his first senior club, Ajax.