But Emery freshened up his side with six changes, although one was enforced as Mesut Ozil was sidelined due to a back spasm, and there were no signs of fatigue as they took the lead in the 29th minute.
Aubameyang completed the rout with a long-range drive in stoppage time.
The fact that the player has not dipped in form and has continued to do his best in the Unai Emery's team still makes him a light in the eyes of clubs who will want to have him.
Liverpool, who remain unbeaten in their last 18 home games against City, came out roaring and dominated the opening 10 minutes but Pep Guardiola's visiting side weathered that early storm and were the more risky after the break.
While most people do not expect Arsenal to challenge Manchester City and Liverpool for the title, Iwobi insisted the team's chances should not be dismissed.
Fulham, meanwhile, are still without a clean sheet and have conceded more goals than any other side in the top flight.
"Arsenal showed their quality and pace, but we surrendered in the last 10 minutes".
Backed by senators, Kavanaugh on track for U.S
But he said he believes Kavanaugh will "determine cases based on the legal findings before him". Kavanaugh could still win confirmation if Murkowski is the only Republican to oppose him.
Ream's first outing this season ended in a 3-0 loss to Everton, and this did not go any better for the United States defender.
Aaron Ramsey scored a contender for goal of the season within a minute of taking to the pitch after missing out on the trip to Azerbaijan in midweek. He only lasted 54 minutes. "It is very hard but we must prepare, continue improving and show big commitment", said Emery.
Our Arsenal man of the match is...
Arsenal, perhaps after blowing off some Europa League cobwebs, began to enjoy more of the ball and only a flawless sliding challenge from Maxime Le Marchand prevented Lacazette tapping in Danny Welbeck's cross.
The Frenchman was nominated for the Premier League player of the month for September and has started October in a similar vein.
They were thrashed 5-1 at home by Arsenal and have now conceded 21 league goals this season.
- Both Ramsey and Aubameyang scored and assisted - this is the first time in Premier League history two substitutes have scored and assisted for a team in a single game.