Doubts have been raised over how settled Cristiano Ronaldo is at Manchester United. Following Ronaldo's performance in United's win at Champions League rivals Aalborg, The Sun says on Monday, on the flight out he sat alone and pensive.

On arrival at the small Danish airport he stood apart from the rest of his team-mates, who were joking and signing autographs.

Only when the team began to file out of the baggage area did his Portuguese team-mate Nani go over to Ronaldo and beckon him to join the end of the line.

On the eve of Champions League matches the team always train at the stadium they are to play in.

The first 15 minutes of the session are open to the Press, when players indulge in a footballing game of piggy in the middle.

Ronaldo always used to enjoy this - not on this occasion, however.

Despite the speculation, Ronaldo says: "I feel very comfortable now. I played my first game two weeks ago and all the fans appreciated me.

"I feel very good within the club and very happy. I want to carry on like that."