Chelsea boss Antonio Conte has enjoyed a dig at Manchester United after victory over Middlesbrough.
Among the list of Chelsea's victims are Everton, champions Leicester and Jose Mourinho's Manchester United.
But Conte, when asked whether the victory against Boro was the toughest of the winning run, said: "For sure, it was very difficult.
"This team has good organisation and have a great physical aspect.
"But we deserved to win and we created many chances to score a second goal.
"Now it's important to continue to work."