Dutch international Kevin Strootman may be taken off Manchester United's shopping list unless he speeds up his recuperation from a cruciate injury.
Strootman has been sidelined since sustaining a serious knee injury last March, which ruled him out of the rest of the season and the World Cup.
The problem may have prevented Manchester United making a move in the summer transfer window, but the Premier League side are still said to be interested.
Roma have stated that they have no intention of selling Strootman, but the player's own physical condition may be more off-putting than the Italian club's statements.
According to Il Tempo, Strootman is behind schedule for a usual recovery from a cruciate injury, which is starting to cause concern.
The injury was sustained seven months ago and Strootman has been in the rehabilitation phase for two months, but the player is reportedly worried about taking things too quickly.
It is suggested that Strootman will only be back in provisional training in a month, which means a December return to the pitch, as was targeted, looks like a tough ask.
Manchester United may wait until June to make a decision on whether they are still interested and if there are fears over Strootman's durability they may look elsewhere.
While the midfielder's talents are clear to see, United reportedly moved away from Juventus star Arturo Vidal due to fears over his knee and Strootman's is if anything more of a concern at this stage.