Christian Pulisic admits the opportunity to link up with Chelsea in 2019 was too good to turn down, with the United States international having always wanted to test himself in the Premier League.
The 21-year-old saw a transfer door open after proving his worth at Bundesliga giants Borussia Dortmund.
Having broken through in Germany under Jurgen Klopp, impressive progress has been made for club and country over recent years.
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Chelsea were happy to buy into that potential, with a £58 million ($71m) deal put in place.