18-year-old Ivorian has signed a contract at Old Trafford until June 2025, with the option of an extra year the Premier League club said on Thursday.
— Manchester United (@ManUtd) January 7, 2021
United said an agreement had been reached between the clubs on the last day of the summer transfer window in October, with personal terms and his work permit now finalised for a visa application.
Financial details of the deal are yet to be ascertained, it is understood that United agreed to pay a base fee of €21 million ($25.77 million) with €20 million as add-ons.
United boss Ole Gunnar Solskjaer said the teenager had been on the club’s radar for a number of years.
“Having watched him myself, I believe he is one of the most exciting young prospects in the game.”
“It will take time for him to adapt but his speed, vision and fantastic dribbling ability will stand him in good stead to make the transition. He is a player with all of the raw attributes that are needed to be an important player for Manchester United in the years to come.”
Diallo said the move was a “dream come true”.
Manchester United are second in the points table in level with leaders Liverpool on 33 points with a game in hand, and host Watford in the FA Cup on Saturday.