Concise News learnt that the Gunners are willing to pay £50m for the England defender.
However, the Leicester City defender is wanted by United and Manchester City this summer and is valued at a stunning £85m.
Maguire is thought to be open to the idea of switching club, but will not force his way out.
United are the current frontrunners, but it is now being claimed that Arsenal have now entered the race.
Leicester have rejected United’s bid for Maguire and are set to dismiss Arsenal’s enquiry.