The Belgium international started his career at Dutch club Ajax and spent five seasons in Amsterdram.
Alderweireld moved to La Liga side Atletico Madrid in a £6.6m deal in September 2013.
However, he was sent out on loan to Southampton in 2014-15 before Tottenham Hotspur beat the Saints to a permanent transfer for Alderweireld.
Toby forged an impressive partnership with compatriot Jan Vertonghen in the Tottenham defence.
Alderweireld made his debut against Czech Republic in 2009. The centre-half has scored three times in 75 games for the Belgium national team.
• Date of birth: 2 March 1989
• Age: 29 years old
• Place of birth: Antwerp, Belgium
• Nationality: Belgian
• Height: 187cm / 6ft 2 ins
• Weight: 91kg / 201 lbs
• Transfer value: £55m
• Wages: £80,000 a week
Toby moved to the Ajax youth academy from Antwerp in 2004.
Alderweireld signed his first professional contract with Ajax in 2007 to secure his future in Holland until 2010.
He made his first appearance for Ajax in a 4-2 victory over NEC in January 2009.
Toby’s European debut came in a 1-1 draw with Serie A giants Fiorentina in the Europa League a month later.
He finished his first season with eight appearances in all competitions.
Alderweireld established himself as a regular in the Ajax team in the 2009-10 campaign. His only Eredivisie goal came in a 3-0 away win at Heracles.
Toby continued to build a promising reputation alongside his compatriot in the 2010-11 season.
Alderweireld scored Ajax’s 100th Champions League goal in a 2-1 win against French club Auxurre in November 2011. The Belgian defender netted a long-range strike in a 2-0 win against Serie A giants AC Milan at the San Siro.
He netted two goals in 26 outings in Eredivisie to help the Dutch club win the title.
Toby endured an injury-hit second season as Ajax retained the top-flight crown. He made just 22 appearances in all competitions.
Alderweireld was a big success at Ajax in his third season after the Belgian defender helped the Dutch club to win a third successive Eredivisie title.
Alderweireld attracted a lot of interest from top European clubs after he opted not to sign a contract extension with Ajax.
Toby moved to Atletico Madrid in a £6m transfer from Ajax in the 2013 summer transfer window.
He signed a five-year contract with los Rojiblancos.
Alderweireld made a mere 12 appearances in La Liga in the 2013-14 season.
He made a further 10 appearances in the Champions League and the Copa del Rey.
Toby played in the final seven minutes of Atletico Madrid’s 4-1 extra-time loss to Real Madrid in the Champions League final in 2014.
Alderweireld moved to Southampton on a season-long loan deal with a view to a permanent transfer at the end of the 2014-15 season.
He made his debut in a 4-0 win against Newcastle United at St Mary’s in September 2014.
Toby scored his first goal for the Saints in a 3-1 win against Crystal Palace at Selhurst Park in December 2014.
He missed two months due to a serious knee injury that he suffered during Southampton’s 1-0 win at Manchester United in January 2015.
Alderweireld scored one goal in 32 games in all competitions.
Atletico paid £1.5m to remove a £6.8m clause in his deal with the Saints to allow los Rojiblancos to sell to the highest bidder.
Tottenham managed to beat Southampton to the £11.5m signing of Alderweireld in July 2015. He penned a five-year deal with the Saints.
He made his Premier League debut for Spurs in a 1-0 loss at Manchester United in the opening game of the campaign.
Alderweireld teamed up with his former Ajax defensive partner Vertonghen at the north London club.
He opened his account for Tottenham in a 4-1 win against Manchester City at White Hart Lane in September 2015.
Alderweireld scored his second goal in a 4-1 win against West Ham before he found the net in a 2-2 draw with Arsenal in the 182nd north London derby in March 2016.
Toby started all 38 of Tottenham’s Premier League games as well as 16 outings in the Europa League. Alderweireld helped Spurs to keep their best defensive record in Premier League history after shipping a mere 25 goals.
Alderweireld continued to impress in the Spurs team before he suffered a serious injury in at West Brom in October 2015.
Toby did find the net in a 2-1 loss to Ligue 1 side AS Monaco in the Champions League at Wembley.
His only goal of the Premier League season came in a 7-1 win over Hull City in May 2016.
Alderweireld started all of Tottenham’s games in the Champions League and the Premier League before he suffered a hamstring problem in a 3-1 win against Real Madrid in the Champions League at Wembley in November 2017.
He made his return to the Spurs team in a 2-0 win over Newport Town in the FA Cup third round.
However, Toby struggled to win back his spot in Mauricio Pochettino’s team with just three appearances in the Premier League in 2018.
Alderweireld became embroiled in a bitter contract dispute with Spurs after he failed to commit to a new long-term deal.
Alderweireld’s contract will expire at the end of the 2018-19 season but Spurs do have the option to extend the Belgium international’s contract by an extra 12 months.
However, if Spurs do opt to activate the clause in Alderweirld’s contract then the 29-year-old would be available for a cut-price £25m deal in the 2019 summer transfer window.
Manchester United were heavily linked with a £55m swoop to sign the Tottenham centre-half in June 2018.
Alderweireld was a regular in the Belgium’s youth ranks after he made appearances for the Under-16 side all the way up to the Under-21 team.
Toby made his first appearance for the Belgium senior team against Czech Republic in 2009.
He was used largely as a substitute in the 2010 World Cup qualifying campaign.
However, Toby was a regular in the Belgium team when the major tournament headed to Brazil in 2014.
Alderweireld started all five of Belgium’s games in the 2014 World Cup as the Red Devils were eliminated in the round of 16. Their tournament came to an end after a 1-0 loss to eventual finalists Argentina.
He has scored three goals in 75 appearances for the Belgium national team.
Alderweireld’s partner is Shani van Mieghem.
• Alderweireld was named the Ajax talent of the year in 2010. He won three Eredivisie titles, the Dutch Cup and Ajax’s player of the year award.
• Toby has a tattoo of Antwerp’s Catherdral.
• Toby was named in the PFA Premier League team of the year in 2015-16 following an impressive first season at Spurs.
• He was named the north London side’s player of the year following his debut campaign.
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