Chelsea have spent some big money in recent transfer windows trying to solve the puzzle of building a squad ready to compete at the top of the English and European game again. This summer saw them spend big, particularly on attackers as they looked to create the perfect squad for Enzo Maresca. Pedro Neto, Joao Felix and Jadon Sancho all joined the club, with it seeming like they are looking to have a team who can matchup well against any opposition. They also invested big money into their future, with Estevao Willian being signed with the intention of joining next summer for a fee of around £5…