Cesc Fabregas has said he knew instantly that Callum Hudson-Odoi was a special talent.
The 19-year-old has struggled after returning from an Achilles injury in September, although he performed well against Nottingham Forest on Sunday.
Fabregas was at Stamford Bridge when the winger was breaking through the ranks and immediately rated his potential.
"The first time he came to train with us I knew he was different, his finishing and pace were something else for his age," he said.
"He has a long way to go and just came back from a terrible injury. With time and good attitude he can become a terrific player."