Davinson Sanchez has joined the list of the most expensive defenders in world football after completing a club-record move to Tottenham from Ajax.
The 21-year-old is the youngest player in our top 10, eight of whom were part of deals involving Premier League clubs and four of those featuring Manchester City.
Sanchez's move ensures that five of the 10 priciest deals involving defenders in football history have all been completed in the current transfer window, as spending across Europe – and England in particular – continues to skyrocket.
Here are the 10 most expensive defenders ever, as things stand – are they worth the money?
BENJAMIN MENDY – Monaco to Manchester City, £51.75m
Pep Guardiola broke the record for a defender when he signed Mendy from Monaco on July 24 this year, the left-back having quickly himself as one of Europe's most exciting attacking full-backs in 2016-17 as his side won the Ligue 1 title and reached the Champions League semi-final.
His arrival was part of a spectacular overhaul of the City backline, which has seen them spend close to £165m on three defenders and goalkeeper Ederson.
DAVID LUIZ – Chelsea to PSG, £50m
Mendy's fee eclipses the whopping £50m Paris Saint-Germain paid to sign Brazil international Luiz from Chelsea in 2014.
Luiz won the Ligue 1 title in both of his seasons at PSG and he made it three in a row after he returned to Chelsea for £34m in a surprise move in August 2016, claiming his first Premier League winners' medal.
KYLE WALKER – Tottenham to Manchester City, £50m
When Walker joined Spurs from hometown club Sheffield United for £5m in 2009, few would have guessed he would one day become the most expensive English player ever.
The significant sum means Walker – who has never won a trophy in his career – has a massive price tag to live up to at the Etihad Stadium.
JOHN STONES – Everton to Manchester City, £47.5m
City have shown a willingness to pay massive amounts for English talent, with Stones having joined the club from Everton last year.
But the 23-year-old had a difficult first year as Guardiola's side under-performed, conceding far too many sloppy goals as they finished third in the table. Stones' potential should still see him develop into a top talent, however.
DAVINSON SANCHEZ – Ajax to Tottenham, £36.6m
Spurs waited weeks to make their first signing of the transfer window, but did so in some style, smashing their club record to bring Sanchez to north London.
The former Atletico Nacional man reportedly caught Barcelona's attention during Ajax's run to the Europa League final last year, but, after Manchester United beat them 2-0, Jose Mourinho cast doubt on the player's ability with the ball at his feet.
2018 - Davinson Sanchez was the only player in the Eredivisie last season to play more than 2000 successful passes (2018). Composure. pic.twitter.com/zpSjPPg3EH— OptaJoe (@OptaJoe) August 18, 2017
LEONARDO BONUCCI – Juventus to AC Milan, £35.2m
A row with Juve head coach Massimiliano Allegri saw Bonucci allowed to join Serie A rivals AC Milan, who have been splashing the cash in a bid to return to the Champions League.
Bonucci has won six Serie A titles at Juventus, but he twice lost in the Champions League final. Signing the Italy international – a reported target for Chelsea – constituted a massive coup for Milan.
SHKODRAN MUSTAFI – Valencia to Arsenal, £35m
Arsenal are not normally known for their big spending, with Arsene Wenger one of world football's more parsimonious managers, but they forked out £35m to sign Mustafi from Valencia in August 2016.
The Germany international had a solid first campaign at the Emirates Stadium, but the Gunners missed out on Champions League qualification for the first time since 1997.
ANTONIO RUDIGER – Roma to Chelsea, £34m
With club icon John Terry having left Stamford Bridge, Chelsea were in need of a new defensive lynchpin and they turned to Mustafi's international colleague Rudiger, who joined from Roma.
The 24-year arrived in London fresh from Germany's success at the Confederations Cup.
THIAGO SILVA – Milan to PSG, £33m
PSG's second entry is their club captain, Thiago Silva, with the Brazilian having been a major success since joining in 2012.
Although PSG were unceremoniously overhauled by Monaco to end their dominance of Ligue 1 last season, the 32-year-old has won four league titles and three Coupes de France in Paris.
ELIAQUIM MANGALA – Porto to Manchester City, £32m
A huge flop, Mangala's fee of £32m to join City from Porto looked overpriced enough after he was allowed to join Valencia on loan. But subsequent leaked documents suggested the total cost of Mangala's move rose to £42m as City had to buy out third party owners.
Mangala is expected to be allowed to leave by Pep Guardiola, having made 48 Premier League appearances for the club.
Si quieres ganar mi camiseta firmada, mira mi página de Facebook https://www.facebook.com/eliaquim.mangala.officiel Si tu veux gagner mon maillot dédicacé, regarde ma page facebook https://www.facebook.com/eliaquim.mangala.officiel If you want to win my signed shirt, take a look at my facebook page https://www.facebook.com/eliaquim.mangala.officiel
(*Prices are as reported at the time of transfers being completed.)
|Ronaldo´s ego is his biggest motivator - Valdano|
|Bayern threaten legal action over Leno transfer rumours|
|Potter delighted by underdog Ostersunds´ trip to Arsenal|
|Chelsea can bounce back from West Ham loss, says Conte|
|Real Madrid will relish PSG test, says Xabi Alonso|
|Conte urges Chelsea to be ´positive´ over Barca Champions League draw|
|Heynckes wary of Besiktas threat|
|Ostersunds handed fairytale Arsenal tie, Napoli face Leipzig|
|Emery: PSG ´can compete with Real Madrid´|
|Totti urges Roma focus on Serie A despite encouraging Champions League draw|
|Europa League: Last 32 draw in full|
|Messi faces toughest foe in Champions League|
|AC Milan signed too many players, admits Fassone|
|Real Madrid face PSG, Chelsea drawn with Barcelona|
|FA seeking information over Manchester derby incident|
|He is one of the best strikers in the Premier League - Wilshere hails Giroud|
|Mata: No time to mourn derby defeat|
|Hitzfeld tells Nagelsmann to honour Hoffenheim contract|
|Amor: Mascherano future to become clear soon|
|Huddersfield confident of Chelsea scalp - Ince|
|De Bruyne: Man City have to enjoy derby victory|
|There is no-one like Messi – Alcacer|
|Kane: Bring on the best in Champions League|
|Neville: Lukaku needs to believe amid Man United struggles|
|Messi best player of all time – Rakitic|
|Gattuso: I´m even tense playing football with my son|
|Suarez admits Villarreal red swung it for Barcelona|
|Villarreal win ´crucial´ for Barcelona boss Valverde|
|Villarreal 0 Barcelona 2: Suarez, Messi restore five-point LaLiga lead|
|AC Milan 2 Bologna 1: Bonaventura brace breaks Gattuso´s duck|
|Guardiola: Man City are an honest team|
|Mourinho: Herrera denied clear penalty in derby defeat|
|Mourinho admits title race ´probably´ over|
|Simeone defends Atleti´s style after battling win over Betis|
|Manchester City´s 14th win on the spin sets new top-flight record|
|Manchester United 1 Manchester City 2: Otamendi strikes massive blow in Premier League title race|
|Allardyce praises ´brave´ Pawson after penalty decision|
|Atletico Madrid set club-record unbeaten run in LaLiga|
|Ajax 3 PSV 0: Eredivisie title race gets new lease of life|
|Klopp involved in post-match spat with reporter|
|Rooney backs awarding of ´clear penalty´|
|Real Betis 0 Atletico Madrid 1: Rojiblancos make history to assuage Champions League pain|
|Klopp rages at referee after late penalty denies Liverpool|
|Liverpool 1 Everton 1: Late Rooney penalty secures unlikely derby draw|
|Napoli 0 Fiorentina 0: Sarri´s men miss chance to usurp Inter|
|Martial and Rashford both start Manchester derby as Jesus edges out Aguero|
|Neuer in no doubt over World Cup fitness|
|Wenger labels Saints sinners over time-wasting|
|Super-sub Giroud celebrates being Arsenal´s saviour again|
|Southampton 1 Arsenal 1: Super-sub Giroud rescues last-gasp point|
|Firmino and Coutinho on bench for Merseyside derby|
|Stoger ready to grab ´incredible opportunity´ at Dortmund|
|Courtois keen to resolve Chelsea future|
|Borussia Dortmund sack Bosz, bring in Stoger|
|Melbourne City 1 Central Coast Mariners 0: McCormack eases Cahill blues|
|Dortmund to hold news conference with Bosz on the brink|
|Guardiola: I would retire if possession football did not work|
|There´s no comparison, Ronaldo is best – Marcelo|
|Baker Mayfield wins Heisman Trophy|
|Bradley revels in ´dream´ MLS Cup success|
|Valverde unsure about Mascherano future|
|Allegri pleased with Juve display|
|Mourinho highlights City´s tactical fouls to ramp up ref pressure|
|Spalletti makes his point as Inter show they belong in Serie A title race|
|Toronto FC 2 Seattle Sounders 0: Altidore and Vazquez seal MLS Cup and historic treble|
|Guardiola: Wins over Mourinho aren´t special ones|
|No regrets over joining City - Guardiola remembers Ferguson advance|
|Juventus 0 Inter 0: Nerazzurri stay top as Derby d´Italia ends in stalemate|
|Valencia 2 Celta Vigo 1: Parejo keeps his cool to put the heat on Barca|
|Benitez rues same old story for struggling Newcastle|
|Verratti puts faith in Emery|
|Champions League focus has cost Spurs in the Premier League, admits Pochettino|
|Championship Review: Ten-man Sunderland hold Wolves, Adkins starts with a win|
|Home win ´has to be a springboard´ for Swansea - Clement|
|Newcastle United 2 Leicester City 3: Perez misery heightens Benitez woes|
|Fifty and counting - Kane brings up his half-century in style|
|Zidane: I warned you about Ronaldo!|
|West Ham spirit key to Chelsea win – Moyes|
|Bosz braced for the boot as Dortmund lose again|
|Watford boss Silva slams ´harsh´ Zeegelaar dismissal|
|Nacho revels in Real Madrid´s Sevilla thrashing|
|Hard-earned Frankfurt victory pleases Bayern boss Heynckes|
|Al Jazira 1 Urawa Reds 0: Mabkhout books Real Madrid clash|
|Spurs on fire, beams goal-hungry Kane|
|Ulreich doubtful for Cologne clash|
|Wagner praises ´brave´ Huddersfield after returning to winning ways|
|Hodgson slams Benteke after penalty miss sends Palace bottom|
|Schmelzer slams ´joke´ Dortmund performance|
|Paris Saint-Germain 3 Lille 1: Emery´s December blues eased|
|Aubameyang becomes Bundesliga´s record African goalscorer|
|Swansea City 1 West Brom 0: Bony lifts Swans off the bottom|
|Real Madrid 5 Sevilla 0: Ronaldo leads blistering Bernabeu rout|
|Crystal Palace 2 Bournemouth 2: Begovic denies Benteke in stoppage time after Defoe´s double|
|Burnley 1 Watford 0: High-flying Clarets back to winning ways as Arfield returns in style|
|The best are at Barcelona, starting with Messi – Valverde rejects Ronaldo claim|
|Tottenham 5 Stoke City 1: Kane at the double to pile pain on Potters|
|Huddersfield Town 2 Brighton and Hove Albion 0: Mounie double helps Wagner´s men end slump|
|Eintracht Frankfurt 0 Bayern Munich 1: Vidal strikes again as goalkeeper crisis deepens|
|Borussia Dortmund 1 Werder Bremen 2: Defeat leaves Bosz on the brink|
|Conte accepts title ´impossible´ for Chelsea after West Ham loss|
|Pachuca 1 Wydad Casablanca 0 (after extra time): Guzman sets up Gremio showdown|
|Everton heading in the right direction - Sigurdsson ready for derby debut|
|Chelsea ´miles´ from their best, concedes Cahill|
|West Ham 1 Chelsea 0: Arnautovic gives Moyes first win as Hammers boss|
|Fornals to miss Barcelona game after fainting in training|
|A-League Review: The force is strong with Sydney FC|
|Hart dropped by West Ham for Chelsea clash|
|Guardiola´s Manchester City head to United a team transformed|
|Wenger admits to frank talks with Arsenal players after United loss|
|Racing criticise Atletico Madrid over unauthorised Martinez medical|
|Musonda handed new four-and-a-half-year Chelsea deal|
|United still Manchester´s top side ahead of City, says Giggs|
|Wantaway Barca veteran Mascherano ´too old´ for Tianjin Quanjian|
|Ederson: Man City eyeing nothing less than derby glory|
|Chelsea´s Kante should win Ballon d´Or, says Conte|
|Salinas: Ronaldo not among best ever and doesn´t deserve Ballon d´Or awards|
|Milinkovic-Savic not for sale at any price amid Man United links, insists agent|
|Giggs interested in Wales job|