Journalist Simon Johnson has claimed that one Chelsea youngster was actually supposed to be involved with the Blues during their FA Cup match at the weekend against Preston North End. He took to Twitter to state that Leo Castledine has now picked up an injury in training, and therefore wasn’t able to make an appearance for the club. Castledine is one of the youngsters those at Stamford Bridge have the most faith in right now, with him being involved in first team training for the majority of the campaign. They have even opened talks over the youngster signing a new contract, despite the fact t…