For Manchester City, due to the team's obvious downward trend this season, a complete rebuild has actually begun. After the transfer window opened, Manchester City took the lead among all major clubs, operating multiple important signings simultaneously. At present, after the transfer of Kusano is basically settled, their adjustments on the forward line and defensive line are still ongoing, with at least two important signings expected to be completely finalized in a short time. In the eyes of outsiders, Manchester City has fallen into its biggest trough in recent years, which can be traced back to earlier signs. On the one hand, since last season, the team's injuries have become increasingly serious, mainly because many of the main players' physical functions have passed their peak with age, making them susceptible to injuries in high-intensity and high-density matches; On the other hand, some core-level players have shown a significant decline in form, making it difficult for them to meet Guardiola's tactical requirements. In this situation, last season's Manchester City actually showed signs of being "at the end of its strength." This season, Rodri's injury became the straw that broke the camel's back. According to The Telegraph, two key players could leave the Etihad Stadium in this transfer window. First is Kyle Walker. It cannot be denied that during his peak, Kyle Walker was one of the most outstanding right-backs in European football, excelling both in defensive recovery and in assisting attacks. However, since last season, Kyle Walker's performance has taken a sharp turn for the worse, becoming the most obvious weakness…