Kobbie Mainoo is a Manchester United bound player and would end up being a legendary player for Manchester United just like the likes of Wayne Rooney, Roy Keane, Paul Scholes and Co's.
How would you know that, Kobbie Mainoo is just 18 years of old, so how can you predict the long future he has ahead of him. Kobbie Mainoo is a brilliant footballer and Manchester United will definitely want to keep him for as long as possible, but who knows what will happen in the future, he might develop so well and at a time in his career, he could leave the club and go somewhere else.