Philippe Coutinho has completed his move from Liverpool to Barcelona for a fee understood to be £146m.
The Brazil international underwent a two-part medical early on Monday, which revealed he had a thigh injury which will delay his debut by three weeks.
Coutinho then headed to the Nou Camp where he joined Barcelona president Josep Maria Bartomeu to sign a contract until summer 2023 before a formal presentation in front of supporters.
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The 25-year-old's Barcelona contract includes a 400m Euros (£354.6m) buyout clause.
Inter Milan did not have a significant sell-on clause in the deal that saw Coutinho move to Liverpool for £8.5m in 2013.
Coutinho was the subject of three failed bids from Barcelona in the summer, the largest of which was worth £113m, and he handed in a transfer request in an attempt to force a move but was unsuccessful.
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The midfielder has already played for Liverpool in this season's Champions League, and will therefore be ineligible to play for Barcelona in the competition during the current campaign.
Liverpool, meanwhile, will not be able to move Naby Keita's transfer from RB Leipzig forward, according to Sky in Germany.
The transfer has already been agreed for the summer at 75m euros (£66.4m) but the club are not willing to let him go in January, even for an improved fee.
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