Chelsea manager Thomas Tuchel insists he is happy with his current squad as the transfer deadline looms.
The Blues were far too good for Arsenal on Sunday, with debutante Romelu Lukaku scoring in the 2-0 victory.
Reports have claimed Tuchel wants another defender signed, with Sevilla stopper Jules Kounde linked, but the German believes he has enough quality to challenge this season.
He said: "I am absolutely happy with our squad and the alternatives we have. It's not too big a squad, we were missing Christian Pulisic today and that meant everybody else was in the squad.
"That means we maybe don't have the biggest squad, but that we have a very competitive squad in all positions.
"This, on one hand, is necessary because we play a lot of competitions and we play the World Club Cup in December. We also played very long last season and there was the Euros and Copa America.
"So if we want to compete, we need this level. But at the same time, it's also important we're a strong group, this was maybe the key for the last half a year.
"We played with a strong bond and a great team spirit.
"This is a challenge for the team and for me to create this atmosphere again, and that everybody is ready to take hard decisions and keep pushing the team.
"If we do this we can achieve more than we have."