"Usually a team of Claudio's is really very solid".
This reality has reportedly forced the 18-year-old to consider his future with a club which has a longstanding history of signing young talent to long-term contracts, before allowing them to sit on the bench or go out on loan for years.
'He is a good player with a high quality, but I want more from him, ' said Ranieri.
Chelsea's Eden Hazard should be available after an ankle injury, with head coach Maurizio Sarri set to rotate his squad again after making 10 changes for the midweek Europa League win.
"Two strikers scored in this match".
"Usually you can live very well for two, three months, then you're in trouble", said Sarri.
BATE's win over Hungary's Vidi earlier on Thursday meant Chelsea were already top of the group before kick-off and ahead of the December 13 trip to Budapest.
Sarri believes a "mental problem" with their approach to matches has hampered Chelsea in recent weeks, culminating in last Saturday's comprehensive loss to rivals Tottenham, and the Italian was particularly satisfied to see a markedly different attitude against PAOK.
"He makes assists but also he can score goals, these are important because he has very good timings to arrive, he has a good left foot and I say to him 'try, try" but, it's a little hard'. "I am very happy with this because, in the last three matches, we had big problems to get into the match". So it wasn't very easy to find a big motivation.
The best moment was Giroud's second goal, volleying in an exquisite Cesc Fabregas pass.
Fulham manager Claudio Ranieri: "Whenever I play my former teams, it's always special".
While Chelsea offered him a five-year deal in the summer and would consider loaning him out in January, the England Under-17 World Cup victor is reluctant to sign as things stand.