Antoine Griezmann will fit Barcelona "like a ring on a finger", according to his former coach at Real Sociedad.
Griezmann finally completed his long-awaited move from Atletico Madrid to Camp Nou on Friday having seemed set to join Barca last year before opting to stay put.
Barca triggered the €120 million (£107m/$134m) release clause in his contract, although Atletico are demanding a further €80m as one of modern football's longest transfer sagas rumbles on.
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Griezmann will line up for Barca next term, though, bolstering the attack of the La Liga champions, who have also been linked with a deal for Paris Saint-Germain superstar Neymar.