If he is, they believe that a last-minute offer for the 26-year-old could be successful.
The former Tottenham man is apparently rated at £95 million, and if signed would be a major statement to the rest of the division. It could even help the Red Devils challenge Chelsea and Manchester City for the Premier League title.
Last season, Bale came in for criticism from the Bernabeu faithful after failing to hit the heights of the campaign before. If this negativity continues, it could make president Florentino Perez rethink his desire to keep the forward, according to the Mirror.
This could well happen, with fans dropping him from their prefered line up in a MARCA poll. United will be happy with that result, with it giving them hope of a transfer that Louis van Gaal thinks could transform his team, according to the Daily Mail.
United appear to be on the lookout for a marquee signing as the transfer window draws to a close. They have also been linked with a move for Bayern Munich ace Thomas Muller, and have already seen a £60 million bid for the German forward rejected [Daily Express].