Sir Alex Ferguson and his Red Devils are still riding high in the Premier League having earned the maximum points from the season thus far. Topping the league in goals as a team overall and featuring the individual top scorer in Wayne Rooney, things are definitely looking rosy at Old Trafford.
But last week's game against Chelsea, scoreline aside, served as a warning to United that appearances may be deceiving.
The 3-1 scoreline flattered a United team that looked at times sluggish and careless and showed the rest of the league how they can be hurt. It was only Chelsea's lack of clinical finishing that saved the Red Devil's their blushes.
With that in mind, they travel to the Britannia Stadium to face a Stoke team that, while not as skilled as the champions, will look to use their physicality to take advantage. Here are five questions United fans should keep in mind as the match draws closer.