Chelsea will watch one of their key players leave this summer if one Premier League manager gets his way. The Blues are already losing Thiago Silva after the central defender confirmed that he will be departing Stamford Bridge at the end of the season. In terms of where Silva could end up, he may not actually have to go far. It has been reported that three clubs from London have already made proposals to the Brazilian. So who else could follow Silva out of the Stamford Bridge exit door this summer? Premier League manager interested in Chelsea starChelsea take on Tottenham Hotspur in the Premie…