The top two face off on Sunday at Stamford Bridge, and Ferguson is promising United will improve on their performance in their recent defeat to Liverpool at Anfield.
"It's always a hard game at Chelsea, but we'll deal with it better than we did at Anfield, I'm sure of that," Ferguson told Inside United magazine.
"They're shaping up to be the main challengers. It seems they'll be the ones to get in front of. "Their consistency, compared to last season, has probably been a bit better under Ancelotti.
- Chelsea home
- Manchester United home
"He's brought in the system he used at AC Milan of the diamond in the middle of the pitch. It's hard to break down when you get into their third, because they've got bodies compacted into the central area of the pitch.
"Ancelotti's got the two strikers, and that is a major change compared to Scolari and Ranieri."
YOU CAN FOLLOW LIVE TEXT COMMENTARY OF CHELSEA V MANCHESTER UNITED AT FOOTBALL.CO.UK
Source: DSG
