Five superstars Manchester United could start negotiating with in January to save millions

Once again, Manchester United spent a whole lot of money in the summer transfer window yet there remain gaps in the squad.

The signings of Mason Mount, Andre Onana, Rasmus Hojlund, Altay Bayindir and a loan move for Sofyan Amrabat have taken Erik ten Hag's spending well over £400m since he took charge at Old Trafford just over a year ago. But United have made an uninspiring start to the season.

A near-unprecedented number of players unavailable due to injury or off-the-field issues has hamstrung the side but even when nearly everyone was available they have been flat and frail. They have already lost four matches and the three wins they have managed were all against relegation contenders and they were still only narrow.

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Given United's spending, they may welcome the chance to sign some bargains over the next year, especially as they fight to remain within FFP boundaries. As they discovered with the additions of Christian Eriksen and Jonny Evans, some diamonds can be found in the rough of the free agent market.

From January, United will be able to negotiate with players outside of the Premier League whose contracts are due to expire next summer. Here are some of the superstar names who currently find themselves in that position:

Kylian Mbappe (PSG) - Given Kylian Mbappe has been in this position before and inexplicably decided to sign a new deal, he could very well end up staying at Paris Saint-Germain. He is now after all, following the departures of Lionel Messi and Neymar, the main man he always wanted to be.

But the relationship between club and player has never seemed on sturdy ground and now he has the