The Blues' new midfielder is far from the finished article but then, so was the club's all-time record goalscorer when he arrived at Stamford Bridge
Ross Barkley is finally a Chelsea player, with the midfielder's long-mooted move from Everton to Stamford Bridge having been confirmed on Friday evening.
The fee is 'just' £15 million, which is a remarkable figure for a young English player in the modern transfer market, but Antonio Conte will have to do an awful lot of work with the 24-year-old if the Liverpool native is to become the great player he has long threatened to become.