Mainoo's situation is a challenging one for both the player and the club. He has been unable to break into the team under manager Ruben Amorim, who has preferred to play a specific tactical setup that doesn't seem to include Mainoo. With the World Cup looming, Mainoo is weighing his options and considering a move away from Old Trafford.

The club's decision to reject Mainoo's loan request has left his future at the club uncertain. United's need for a midfielder is clear, and they have recently signed Benjamin Sesko for £74 million. However, Sesko's age and lack of Premier League experience make him a "project" for Amorim, and Mainoo's best position in the team is now occupied by other players.

Mainoo's reluctance to leave the club permanently may suggest that he believes he can outlast Amorim at United. With 28 points from 29 Premier League games, Amorim's job is not under immediate threat, but the fans are growing restless. The club's transfer window is still open, and they have accepted a bid for Antony, giving them more flexibility to make new signings.

Parallels with the 2014-15 season are striking. Under Louis van Gaal, United were knocked out of the League Cup by MK Dons and went on to sign several new players, finishing fourth that season. If history repeats itself, United could still bring in a new midfielder and turn their season around.

Mainoo's future is uncertain, and several clubs are likely to be interested in taking him on loan. Real Madrid, Napoli, and Chelsea have all been linked with a move for the midfielder, who has two years left on his contract. A loan move would seem to suit everyone involved, allowing Mainoo to gain experience and United to retain a valuable asset.

Letting him go permanently is not an option, as it would weaken a rival Premier League side and raise questions about the club's commitment to developing its own players. The situation is complex, and only time will tell what the future holds for Kobbie Mainoo.