The head coach has opened the door for the veteran to return to the club where he began his career this summer.

Erik ten Hag has revealed that Ajax are keeping tabs on Jan Vertonghen, whose current contract at Tottenham is supposed to expire at the close of the season.

Vertonghen climbed through the youth ranks at Ajax before graduating to the group in 2006 and proceeded to create over 250 looks across all contests for the club.

The Belgium global decided to tackle a new challenge in 2012, swapping the Eredivisie for the Premier League by joining up with northwest London outfit Spurs.

He has since established himself as among the most consistent performers in British football, assisting Spurs to emerge as top-four regulars in the process.

The 32-year-old has, nevertheless, just featured in 16 Premier League matches for Tottenham this season, and will become a free agent in June unless an expansion could be agreed upon within another few months.

More questions were raised over Vertonghen’s future following his furious reaction to being substituted at the 54th minute of an FA Cup fourth-round replay triumph over Southampton a week, but head coach Jose Mourinho has previously stated that he wants to keep the defender’s services.

Ajax boss Ten Hag is now seeking to capitalise on Vertonghen’s situation, declaring that the defender is an”option” to the Dutch winners when everything”comes together” this summer.

“Jan has a history at Ajax,” Ten Hag informed Ziggo Sport.

“Obviously we are following his position very closely, but you also have to look at the position in which somebody performs.

“If this comes collectively, the availability and also the position where he performs, then he is an alternative.

“There is not any question of any age limit here. If somebody is good enough, then it doesn’t matter how old he is.”

Vertonghen’s agent Tom De Mul has insisted that his client could perpetrate to new terms in the Tottenham Hotspur Stadium, asserting he is still”very happy” in north London and eager to maintain playing regular football in the lead up to Euro 2020.