New addition Trossard provided an assist as Martin odegaard scored to make it 3-0.
Watch: Referee disallows Martinelli’s ‘clean goal’ but VAR intervenes to award the goal
Trossard now has 2 assists since joining as a Gunner. The 27 year old has adjusted well to Arteta’s setup and even started ahead of Eddie Nketia.
A win will see Arsenal go 5 points clear of Manchester City.