Cech is looking forward to working with Jose Mourinho again.
He told the Daily Mail: "(Manchester) City have the same squad, Carlos Tevez apart, and they will bring players in to make the team as strong as possible. They have a great, experienced manager.
"David Moyes is experienced and he will find a great team, so if he wants to add players he will. I still see those two as the main threat.
"Arsenal are now under pressure. The manager is under pressure as everyone keeps reminding him of all the time since he won a title. They will want to show that they are there to challenge. It will be Chelsea and those three teams. Tottenham will be there, and Liverpool will want to improve."