Spurs were linked with a move for the Frenchman in January, and a move could be on the cards in the coming months as boss Jose Mourinho is a huge fan of his.
The Hammers signed Diop from Toulouse in the summer of 2018 for £22 million, and it will take a juicy offer from suitors to lure them into selling.
Tottenham are looking for a long-term replacement for Jan Vertonghen, and the French defender fits the bill given his performances for West Ham since his arrival in England.
Breaking into the France national team ahead of next year’s European Championship will be on Diop’s mind, and his chances of doing so remain slim at relegation-fighting West Ham.
While they could miss out on next season’s Champions League, Tottenham remain one of the biggest clubs in England, and playing for them will excite such a promising defender.