Chelsea are notorious for their loan farm system, having made a habit of signing up young players from around Europe before sending them out to other clubs. The Blues have been known to have in excess of ten players out on loan, and currently have 33 playing elsewhere.Chelsea have often been known to keep players on their books long-term despite not including them in their matchday squads, with Lucas Piazon spending nine years at Stamford Bridge with just one Premier League appearance to show from it.
