Carlos Tevez has been ruled out for up to a month with a hamstring injury.
While the news is a major blow to Roberto Mancini, the City boss is hoping to have his captain back for the last two or three games - and the FA Cup final, if the Blues beat United on Saturday.
On a brighter note, Micah Richards has made an incredible recovery from his hamstring injury and is availble for selection.
View the full semi-final press conference.