The 27-year-old sustained the setback during a training session on Wednesday and, following a visit to specialist Dr Ramon Cugat in Barcelona on Thursday, City have confirmed his diagnosis.
"I don't know, we are going to adapt if we can adapt and of course we are going to think of ourselves as well, and of course the Premier League".
The Red Devils have just begun their third campaign under new boss Jose Mourinho as they look to try and mount a serious Premier League title challenge this term.
"Delph: "'F****** exhausted? It's simple, it's straightforward. Shut up please. No because you, because you, because you.
"I don't know how you can prepare [against that]". I think they will run Manchester City very close.
Delph: "I'm not blaming anyone, it's just the basics of football".
"Winning our individual battles, sticking together as a unit, f****** defenders defending, midfielders box to box, f****** keepers".
Pentagon warns China training for strikes on United States targets
In regards to Taiwan , the reports warns that China "is likely preparing for a contingency to unify Taiwan with China by force". Chinese foreign ministry officials have claimed the United States is "running amok" in the region.
"When we go behind, or something comes against us, we freeze". We tried to build something good and you did do good.
Asked if City might reverse the fixtures, and switch October's game to the Etihad Stadium, Guardiola said: "I don't know - I can only say, if that happened, then four of our final five matches of the season would be away".
"You have to make the last level guys, everyone together".
Liverpool beat West Ham 4-0 at Anfield at the weekend, with the front three of Salah, Mané and Firmino combining once again to secure three points for their side.
'He's one of those who wants to learn and I think he shows that in his performances - he's keen, he's energetic, he's keeping people on their toes really'.
Kompany opened scoring for the hosts through a fine header in the 25th minute, while Gundogan's clinical finish ensured Pep Guardiola's men won the first half of the game.