It may be too early to regard this weekend’s clash at Old Trafford as a title decider, but once the 90 minutes are up, it should shed light on whether Chelsea can be considered as Manchester United’s main title threat.
Despite being unbeaten under new manager Andre Villas Boas, the Blues have been largely unimpressive thus far this season.
Manchester United, on the other hand, has been in imperious form. They have not just defeated all of their opponents; they have destroyed them. Arsenal, Tottenham and Bolton have all been routinely thrashed by the Red Devils, and it is difficult to see how Chelsea can neutralise the attacking flair of Wayne Rooney, Chicharito, Ashley Young and Nani.
This is slideshow will analyse five of the most important pre-match talking points ahead of the monster clash on Sunday.