Kevin de Bruyne says Manchester City cannot relax, despite going top of the table.
City appear a class above the rest of the Premier League.
But De Bruyne, a £54million summer signing from Wolfsburg, said: “We will be one of the favourites. But you need to be 100 per cent every game here.
“Each team has a lot of good players. The Premier League is not for nothing, one of the toughest.
“Every match in the Premier League is difficult and we must just stay focused.
“We play so many matches, hopefully we can get this momentum to continue."