CNN  — 

Few clubs in world football do business better than Borussia Dortmund.

In Jadon Sancho and Erling Braut Håland, the German club boasts the two most expensive youngsters in the sport with a combined value of almost €300 million ($324M), according to the CIES Football Observatory.

Dortmund reportedly paid just €28 million ($30.2M) for the pair.

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Since signing for Dortmund in 2017 as a 17-year-old, Sancho has developed into one of the most exciting attacking talents on the continent and is regularly linked with a transfer to Europe’s biggest clubs.

The CIES Football Observatory, an independent study center in Switzerland, now values Sancho at €198.5 million ($214M), less than three years after Dortmund paid Manchester City just €8 million ($8.6M) for the Englishman.

Jadon Sancho signed for Borussia Dortmund in 2017.

In January, Dortmund also beat some of Europe’s leading clubs – including Real Madrid and Manchester United – to the signature of Håland, whose domestic and Champions League goalscoring form for Red Bull Salzburg made him the most sought-after youngster in world football.