When Tottenham Hotspur chairman Daniel Levy spent £22m on the signing of Son Heung-min back in the summer of 2015, Spurs fans would have been forgiven for not being overly aware of the talent the then-23-year-old forward possessed.

The South Korea international had shown flashes of brilliance during his time in Germany - scoring 20 goals and registering three assists over 78 appearances for Hamburger SV, as well as bagging 29 goals and providing 11 assists over 87 outings for Bayer Leverkusen - although few would have predicted the winger would go on to become the player he is today.

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Indeed, since his move to north London, the now-29-year-old has developed into one of the most efficient and effective wide attackers in world football, scoring an enormous 129 goals and registering an incredible 74 assists over 324 fixtures for the Lilywhites - boasting a record of one direct goal contribution every 109 minutes of football played for Spurs.

The £72m-rated talent has particularly impressed over the last 12 months, with FBref ranking the forward in the top 3% of wingers and attacking midfielders in Europe's big five leagues for non-penalty goals per 90 minutes, as well as the top 5% for npxG, the top 20% for xA, the top 7% for npxG+xA and the top 24% for shot-creating actions over the last 365 days.

Son has also been in breathtaking form in Antonio Conte's attacking trio over his 34 Premier League outings this season, scoring 21 goals, registering seven assists and creating ten big chances for his teammates, as well as taking an average of 2.3 shots, making 2.1 key passes and completing 1.5 dribbles per fixture.

These returns have seen the £140k-per-week sensation average a quite remarkable SofaScore match rating of 7.49, not only ranking him as Tottenham's best performer in the top flight but also as the third-best player in the league as a whole - behind only Manchester City's Kevin De Bruyne and Liverpool's Trent Alexander-Arnold.

As such, when taking into account the returns of the player who Adam Smithy dubbed "one of the most underrated players in world football" and an "unreal" talent, in addition to the fact he is now worth £50m more - a 227% increase - than the £22m Levy coughed up for his signing, it is clear to see that the Spurs chairman very much hit the jackpot when bringing Son to north London almost seven years ago.

AND in other news: Fabrizio Romano relays major Spurs update that will leave supporters buzzing