Couto shined during the World Cup, and it only took one match for City scouts to make a decision on their future star.
On March 1, the club announced that they’d won the race to sign the in-demand youngster.
“Manchester City are delighted to announce Yan Couto will be joining the Club this summer,” said a club statement.
“The 17-year-old Brazilian, who currently plays for Serie A side Coritiba FC, has agreed a five-year deal.