Despite the summer transfer window being closed for all European clubs, there are still many clubs who are in need of reinforcements, with Manchester United needing a creative midfielder and Arsenal needing a confident centre-back being 2 examples. After thinking about the transfer window we started to look at managers who have made full use of it, more specifically the managers who have spent the most money during them. Below are the top 10 highest spending managers and their top 10 most expensive signings.