Tottenham Hotspur selling both Mousa Dembele and Toby Alderweireld would be an error

Manchester United's Belgian striker Romelu Lukaku (L) vies with Tottenham Hotspur's Belgian defender Toby Alderweireld during the English Premier League football match between Manchester...

Tottenham Hotspur are said to be considering offers for the key pair.

Mousa Dembele of Tottenham Hotspur is challenged by Kevin De Bruyne of Manchester City during the Premier League match between Tottenham Hotspur and Manchester City at Wembley Stadium on...

According to the Daily Mirror, Mousa Dembele could be put up for sale by Tottenham Hotspur in the summer, and selling him in the same transfer window as Toby Alderweireld would be an awful decision.

Both Alderweireld’s and Dembele’s contracts expire at the end of next season, which has led to Spurs contemplating whether to cash in on the pair.

Spurs are now said to be willing to listen to offers for the duo, but letting them both go would be a huge error.

Toby Alderweireld of Belgium moves away from Salman Muwashar during the international friendly match between Belgium and Saudi Arabia at the King Baudouin Stadium on March 27, 2018 in...

Replacing one of Alderweireld and Dembele will be a hard task for Tottenham, but to find cover for them both in the same transfer window would be practically impossible.

Alderweireld and Dembele are two of the finest players in their respective positions in the Premier League, and without paying huge fees, scouting players of similar quality would be a huge challenge.

Mousa Dembele of Tottenham Hotspur during the Premier League match between Tottenham Hotspur and Burnley at Wembley Stadium on August 27, 2017 in London, England.

If Tottenham believe they could cope with the loss of two of their finest players, without their form suffering, then they are taking a massive risk.

And, given that Spurs are just starting to establish themselves as the top club in London, they really need to avoid losing two of their key players in the same transfer window to prove their ambition.

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