Rooney, 27, was working with United physios at the club’s Carrington training complex on Wednesday as he recovers from the deep cut to his head after an accidental clash with Phil Jones almost two weeks ago.
But the United striker is rated 50-50 for the game against Manuel Pellegrini’s City at the Etihad Stadium on September 22.
On the mend: Wayne Rooney poses with a fan after recovering from his head injury - he was back in training for the first time on Wednesday
Nasty: Wayne Rooney's head injury kept him out of England's matches but he is now back in training
R and R: Rooney spent the international break on holiday in the Algarve
Wary:
Rooney is understood to be training on his own away from the first team
squad, with David Moyes not willing to rush him back into actionMoyes is already resigned to being without Rooney for Saturday’s Barclays Premier League game at home to Crystal Palace and he is unlikely to feature in the Champions League against Bayer Leverkusen at Old Trafford next Tuesday.
The striker has started just one United game this season, producing a Man of the Match performance in the 0-0 draw with Chelsea at Old Trafford.
He came on as a substitute in the opener against Swansea, having a hand in two of his teams four goals.
Prepared: Marouane Fellaini has taken part in his first United training session and is in line to make his debut
Unlikely: Rooney is not likely to feature against Crystal Palace or Bayer Leverkusen next week
50/50: Rooney may well return for the Manchester derby on September 22
