“I am delighted to be joining Barcelona this season,” Iwobi told media.
“Barcelona is the biggest club in the world and I am looking forward to working with Ernesto Valverde, Lionel Messi and contributing to the team’s success at this very exciting period in the club’s history.”
Valverde said the signing of Iwobi was key to his plans to strengthen the club and believes the player can join the list of Blaugrana greats.
“Alex is one of the best players in the world and will be a key part of the Barca team I want to build here for the future,” he said.
“He is quick, strong, skillful and reads the game better than many players much older than he is. At 22, he has the chance to make that position his own here over many years.
“He is young and will continue to improve; he has the chance to be at the heart of this club for the next decade and beyond.”
Jeison Murillo, who currently wears the number 17 shirt at Barcelona, has agreed to vacate the number as “a symbolic gift” to his new team-mate.
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