Arsenal have kick-off their london derby clash against Fulham in perfect ways, with the north London club find breakthrough at Craven Cottage stadium.
The Gunners made impressive start to the game and found themselves lead inside 21 minute through Gabriel, who bagged sensational header.
Martinelli appeared give the Gunners the lead when his strike rebound deflected on Robinson.
But unfortunately it was rule out for offside, but three minutes later, Mikel Arteta's men finally found breakthrough again.
Gabriel Martinelli then doubled Arsenal lead following inch-perfect cross from Trossard.
Despite lead by 2-0, Mikel Arteta's men still remains positive of extend their tally before the half-time as they look for comfortable victory over their local rivals.