Toby Alderweireld is seeking a new contract to put him in line with Tottenham’s top earners, Harry Kane and Hugo Lloris.

Spurs are keen to agree a deal for the centre-half after details of his current contract were leaked late last year, including a £25million release clause that would become active in summer 2019, when the Belgian will be 30.

Alderweireld is the only key first-team player who has not signed an extension since the start of 2016 - with the exception of Victor Wanyama who has been at Spurs for just nine months.

Alderweireld’s deal, worth about £50,000 a week, expires in two years but the club hold an option to prolong it until 2020.

Both Kane and Lloris have deals that could earn them in excess of £100,000 per week, though Spurs say their basic salaries fall within the club’s wage structure.

Recent history suggests that player and club will find common ground. It is very rare for Spurs to allow an important to player to drift into the final 18 months of his contract.

Negotiations for Kane, Lloris and Christian Eriksen, who signed a new deal last September, took considerable time but, in the end, chairman Daniel Levy secured the signatures of all three. Yet it is likely Alderweireld would need a substantial pay rise to re-sign.

The Tottenham stars who signed new contracts | 2016/17 16 show all The Tottenham stars who signed new contracts | 2016/17 1/16 The Tottenham stars who signed new contracts in the 2016-17 season... Tottenham Hotspur FC via Getty Images 2/16 Kyle Walker-Peters Tottenham Hotspur FC via Getty Images 3/16 Ben Davies Tottenham Hotspur FC via Getty Images 4/16 Danny Rose Rex Features 5/16 Kyle Walker Getty Images 6/16 Dele Alli Tottenham Hotspur FC via Getty Images 7/16 Harry Kane Getty Images 8/16 Hugo Lloris Getty Images 9/16 Jan Vertonghen Tottenham Hotspur FC via Getty Images 10/16 Christian Eriksen Getty Images 11/16 Eric Dier Julian Finney/Getty Images 12/16 Harry Winks Getty Images 13/16 Tom Carroll Michael Regan/Getty Images 14/16 Cameron Carter-Vickers Getty Images 15/16 Michel Vorm Chris Brunskill/Getty Images 16/16 Mauricio Pochettino Tottenham Hotspur FC via Getty Images 1/16 The Tottenham stars who signed new contracts in the 2016-17 season... Tottenham Hotspur FC via Getty Images 2/16 Kyle Walker-Peters Tottenham Hotspur FC via Getty Images 3/16 Ben Davies Tottenham Hotspur FC via Getty Images 4/16 Danny Rose Rex Features 5/16 Kyle Walker Getty Images 6/16 Dele Alli Tottenham Hotspur FC via Getty Images 7/16 Harry Kane Getty Images 8/16 Hugo Lloris Getty Images 9/16 Jan Vertonghen Tottenham Hotspur FC via Getty Images 10/16 Christian Eriksen Getty Images 11/16 Eric Dier Julian Finney/Getty Images 12/16 Harry Winks Getty Images 13/16 Tom Carroll Michael Regan/Getty Images 14/16 Cameron Carter-Vickers Getty Images 15/16 Michel Vorm Chris Brunskill/Getty Images 16/16 Mauricio Pochettino Tottenham Hotspur FC via Getty Images

Thanks to their new deals this season, the majority of Spurs’ key first-teamers are now in the £60-75,000 per week bracket. After Lloris and Kane, Mousa Dembele and Eriksen are among the higher earners.

Alderweireld has been a vital player for Spurs since he moved from Atletico Madrid, following a season-long loan at Southampton, for £11.5m in the summer of 2015.

The nerve damage to his knee that Alderweireld suffered in the 1-1 draw at West Brom in October ended a run of 46 straight league appearances for Spurs.

He has played 58 games in all in the Premier League for the club, finishing on the losing side only eight times and proving himself one of the most accomplished Premier League defenders.

Alderweireld was at fault for Southampton’s goal in Spurs’ 2-1 win at White Hart Lane last Sunday, failing to cut out a left-wing cross. According to one statistics group, however, this was the first time in the 28-year-old’s Premier League career that he had made a mistake that led directly to a goal.