article_snippet: When you think Manchester City paid £32million for Eliaquim Mangala last summer and David Luiz cost Paris Saint-Germain
article_snippet: Paris Saint-Germain paid £50million for David Luiz, who was considered surplus to requirements at Chelsea .
article_snippet: Manchester City paid £32m for Eliaquim Mangala but didn't feel comfortable starting Eliaquim Mangala against Barcelona .