Manchester United are ready to trigger Toby Alderweireld's £25million release clause this summer.

Tottenham chose to extend the centre-back's contract by an additional year in January but it meant the inclusion of a release clause.

United have long been interested in the 30-year-old and are ready to pay the fee, according to The Sun.

Toby Alderweireld could leave Tottenham and join Manchester United in the summer

ALDERWEIRELD'S 2018-19 PREMIER LEAGUE STATS: Appearances - 29 Clean sheets - 11 Goals conceded - 27 Advertisement

Talks between Alderweireld's representatives and Spurs broke down over a fresh long-term deal and Mauricio Pochettino is confident in Davinson Sanchez combining with Jan Vertonghen next season.

Alderweireld played in the 1-0 Champions League win over Manchester City on Tuesday night and has been hugely impressive during his four years at the club.

United are in the market for defenders and at a cut-price, so it seems logical that they would move for the experienced Spurs stalwart.

The Belgian central defender now has a £25million release clause that United can trigger

Ole Gunnar Solskjaer has radically improved the defence that was so leaky under Jose Mourinho earlier in the campaign.

But while there has been increased solidity, the feeling is that an experienced top-level defender such as Alderweireld would be a solid addition to the squad.

Both Tottenham and Manchester United are vying for Champions League football next season and the final positions could have a bearing on Alderweireld's decision in June.