Manchester City manager Pep Guardiola says tomorrow's game against Manchester United is not about his rivalry with Jose Mourinho.
Branded as "Mourinho against Guardiola", tomorrow's Manchester derby could see one of the two teams open a 3-point gap at the top of the table.
Chelsea, also with three wins out of three, are away at Swansea City on Sunday afternoon.
"At the end of the day it's my players play against their players, and the end of the day that's what's important," Guardiola told reporters.
"There were a lot of games between me and him. He wanted to win, and I wanted to win. It's part of our job.
"I have respect for my colleagues, I try to have a good relationship with them, and of course they want to win, and sometimes you make actions in the game in the moment and I understand that.
"I come here to be coach of Manchester City and train these players, that's the reason I am here.
"Tomorrow is a derby at Old Trafford against one of the biggest teams in the world, we're playing away. I see the players, [Eric] Bailly, [Daley] Blind, the goalkeeper, the full-backs, [Marouane] Fellaini, [Paul] Pogba, I see that.
"In these last days analysing United I was focused on Jose and their team, and from experience I know what he likes to do on the pitch, and when Mr Clattenburg decides to start the game we will be focused on the game, not my colleague."