Manchester City don’t often get things wrong when it comes to buying and selling players, but Cole Palmer has been doing his level best to make the club look silly since joining Chelsea. Palmer left Manchester City in the summer of 2023 to join Chelsea in a £42.5 million transfer deal. The move raised eyebrows at the time, and it was widely suggested that City had done some really good business. Ultimately, Palmer was a fringe player at City and had only made a handful of Premier League appearances. So it was felt that City had really rinsed Chelsea. But that £42.5 million fee now looks like a…