Phil Jones and Chris Smalling will face uncertain futures at Manchester United if the Red Devils secure the signature of Everton defender John Stones in this transfer window.
This has been reported by the Independent, who claim that the Red Devils could make a move for the England youngster after missing out Sergio Ramos, who now looks set to stay at Spanish giants Real Madrid for the long-term.
Stones, of course, has been heavily linked with a move to United's Premier League rivals Chelsea of late, but it now appears that Louis van Gaal and Co. at Old Trafford are ready to bring him to Manchester.
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There's no doubt about it, though, it won't be easy for United to secure the player's signature before the close of the window, with Everton seemingly holding out for a huge sum of £34 million for their top talent.
And with Chelsea pushing hard to land the player, it looks set to be an interesting battle on the transfer scene over the coming weeks.
But, if United manage to land him, then the duo of Jones and Smalling will no doubt be looking over their shoulders, as they go about making a success of their careers in Manchester.
Ultimately, with versatile Dutchman Daley Blind now seemingly Van Gaal's No.1 central-defender, it appears that only one of Jones or Smalling will start alongside him in the club's Premier League opener with Tottenham on August 8.
Now or never
And the truth is, the 2015/16 campaign really is a make or break season for both stars, who have endured a roller-coaster ride at the club over the last few years.
Ok, so towards the back-end of last season, Smalling really started to step up for the Red Devils and became a leader at the heart of the defence, but it's crucial he now continues to develop over the next year.
Jones, on the other hand, once again struggled for form and fitness last term, so is in need of producing the goods week in, week out right from the start next term.
Of course, Van Gaal clearly has faith in the duo, who both recently penned new deals with the club, but they must now find consistency in their game and hope their niggling injury problems disappear sooner rather than later. If they fail to deliver in 2015/16, then they will no doubt be replaced by the club's ruthless manager.
Manchester United fans: Do you want Stones to arrive at your club? Have your say below!