Reports have claimed that a number of top Premier League sides are convinced that Chelsea will part ways with one big player this summer. According to the Mail Online, they reckon the financial issues surrounding the club will see them cash in on a player whose contract is set to expire in just over a year’s time. It is expected that Chelsea will have to sell this summer before they can spend big again in the upcoming transfer window. For this reason, there may be an appetite to sell players who are homegrown, due to them registering as pure profit as far as financial fair play is concerned. C…