Tottenham Hotspur have now received a formal offer for one of their players and must now decide whether they want to let him go. The summer window has now opened and Tottenham have made a proactive start to offloading some of the players they no longer want at the club. Up to 15 players are believed to be on the transfer list for Spurs this summer with a number of players having already been let go. Tanguy Ndombele is the most recent to have departed the Tottenham Hotspur Stadium after his contract was torn up earlier this week. The Lilywhites now must sell some of their unwanted players havin…