Berba has recovery from a knee injury, while Ronaldo made his comeback against Villarreal last Wednesday in the 1st match of the UCL 2008/2009.
Alex Ferguson has revealed that Cristiano is desesperate to play against The Blues on Sunday.
"Cristiano is nibbling in my ear all the time. He is bursting to play," said The Scot
The United boss also said that Ronaldo has made a good recovery and trained very well.
Jonny Evans could be in the team, because of his good play v Villarreal on Wednesday.
Nemanja Vidic won't play with United because he was suspended with a red card on last weekend.
For view some videos of Giggs or Scolari talking about this game, please click here.
Ref: Mike Riley
Venue: Stamford Bridge
Date: Sunday, 21 September
Kick-off: 14:00 BST
Source: BBC Sports
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