Jose Mourinho says there is more to come from Chelsea, as he insisted there has been an "evolution" in the team's mentality.
The league leaders are unbeaten and six points clear of second-placed Southampton, with 10 wins from 12 games. Despite that, Mourinho claimed that the squad's supreme attitude means they can still improve considerably.
The Portuguese cited their age, given that so many key players are in their early or mid-20s, and how they can still mature.
"I'm sure, yes, there is much more...