He however advised Mikel Arteta’s men not to entertain thoughts of winning the title.
The Gunners will regain their eight-point lead over Manchester City if they beat United on Sunday.
“Arsenal are the favourites for the title. But if I was in that dressing room, I wouldn’t be talking about it.
“Of course, it would flash up in your mind now and again, but there is such a long way to go this season that they just need to take it game-by-game and they will be on the right path.
“If they can keep their feet on the ground and take it a game at a time, they will be there or thereabouts come the business end,” Ferdinand told William Hill.