£67m midfielder and star defender - Man United have already made 2 transfer mistakes this summer

With just over a week to go until the summer transfer window opens, football fans all over the world are waiting to see what business Manchester United will do this summer.

As reported by the Manchester Evening News in February, sales could reach double figures this summer, with Ineos determined to improve the club's productivity in the seller's market. United have not been proactive enough when it comes to getting players off the books in recent years.

United are understood to be prepared to listen to offers for all but four first-team players this summer, with only Andre Onana, Kobbie Mainoo, Rasmus Hojlund and Alejandro Garnacho off-limits. However, there are other members of the squad who can count themselves unfortunate not to have been included on the Reds' list of untouchables.

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With that in mind, our United writers have had their say on who they believe should have made the list.

Tyrone Marshall

The FA Cup final was further evidence that the player United have missed more than any other this season is Lisandro Martinez. He is transformative to how this team plays, both with the ball at his feet and in terms of the aggression he shows when defending.

The Argentine is a leader on and off the pitch and someone who sets the standards in training. He makes every session more competitive and that kind of attitude and spirit are invaluable in every squad.

He is also a left-footed centre-back and there aren't many of those about now. He is excellent when in possession and can help the team build-up play. Onana will benefit from having Martinez