Romelu Lukaku sent Chelsea top of the Premier League table as the Blues sunk Arsenal 2-0 at the Emirates Stadium.
The Blues’ £98million signing from Inter Milan made an immediate impact following his return on a club-record fee, netting less than 15 minutes into the London derby.
Reece James teed up Lukaku’s opener then blasted home himself, capping a fine Chelsea move.
The Blues held firm after the break to ease to their second straight league win, having thumped Crystal Palace 3-0 last weekend.
While Chelsea moved top of the table, Arsenal slumped to 19th courtesy of their winless start to the new campaign.
Gunners boss Mikel Arteta will come under immediate scrutiny, with the Chelsea loss coming hot on the heels of the 2-0 defeat by Brentford.
Life doesn’t get any easier for Arsenal, with champions Man City up next. As for Chelsea, they look capable of mounting a serious title challenge with Lukaku now leading the line.