Chelsea have completed the £30m signing of Ipswich striker Liam Delap.
The 22-year-old moves to Stamford Bridge after just one season of Premier League football, in which he scored 12 goals in 37 matches for Ipswich, who finished second bottom and were relegated back to the Championship.
That triggered a £30m relegation clause in his contract, with Chelsea, Manchester United and Newcastle all willing to pay that fee.
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But Chelsea moved quickly to sign Delap after their season ended with the UEFA Conference League final win over Real Betis, with their fourth-place Premier League finish and Champions League qualification also a big boost for the club.
Delap will be reunited at Chelsea with Enzo Maresca, Cole Palmer and Romeo Lavia - who he knows from playing at youth level with Manchester City.
Why Delap is playing at Club World Cup - and not U21s Euros
Delap will be free to play for Chelsea at the Club World Cup, with the FA unable to enforce his involvement in the England squad for the U21s European Championship.
That is because the junior European tournaments fall outside the FIFA international window.
FIFA rules dictate that national associations can tell selected players to put their country ahead of club commitments, but only within the pre-agreed dates for international competition.
The U21s Euros will begin in Slovakia on June 11, but the official FIFA international window runs until June 10.
Three Manchester City players are affected by the clash with the Club World Cup - James McAtee, Nico O'Reilly and Rico Lewis were all part of Lee Carsley's plans.
But only McAtee will be part of the U21s squad, after City reached agreement with the FA on his situation. O'Reilly and Lewis will travel with Pep Guardiola's squad for the inaugural FIFA club tournament in America.
Carsley is understood to be fairly relaxed with the situation, knowing that some other national teams at the U21s Euros will be more heavily affected than England.