Arsenal extended their run at the top of the league to four points after emerging through a tough test away at Leeds at a ferocious Elland Road.
Manchester City's loss later in the day, showing they still have vulnerabilities even with Erling Haaland among their ranks, laid the blueprint for teams to get at Pep Guardiola's side.
Kepa Arrizabalaga, deputising in place of Edouard Mendy, took his chance in superb fashion as he produced a series of superb saves to open the door to a regular first team recall.