Manchester United fans are becoming increasingly concerned when it comes to the future of Anthony Martial, who continues to be linked with a move away from Old Trafford.

Indeed, speculation that the Red Devils could move for Real Madrid's Gareth Bale have led to suggestions that Martial will be sold in this summer's transfer window.

The 22-year-old, who is valued at £58.5m by transfermarkt.co.uk, will be out of contract at the end of next season, and it is thought that talks over a new deal have stalled.

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Alexis Sanchez's arrival in the January transfer window has made it difficult for Martial to secure a regular spot in Jose Mourinho's starting XI, but the Frenchman has still managed 11 goals and 10 assists in all competitions during a decent season.

There is no question that Martial is a hugely popular figure with the club's supporters, and many are becoming frustrated with the latest rumours surrounding his future.

A selection of the Twitter reaction can be found below: