Manchester city have good qualities players, and one of the prominent coach with lengthy experience in football space, with his presence everything is working smoothly for city. The citzyens performance will reduce without the master planner, Guardiola. He's the brain behind their triumphant prospects over the years, perhaps he got more achievements to accomplished. Manchester City will be too recalcitrant to let Pep Guardiola leave them so soon, after all he achieved the significant trophies that was the primary goals. He's a free man and he can decides to leave any time he feels the time is right.
Their team and tactics have been built by Pep Guardiola and the coach philosophy helps Manchester City to dominate Premier League in the last six seasons by winning five titles and they just won a first ever Champions League in their history.
By building Manchester City, dominating Premier League and winning a first Champions League, Pep proved that he can succeed beyond Barcelona. We can not reduce his achievement by saying he got too good transfer budget in Manchester City. First he is a good coach and second with deep transfer budget, he has a good squad to use and can alternate his players without too significant impacts on Manchester City performance.