Arsenal returned to winning ways in convincing fashion at the Emirates, with Reiss Nelson coming off the bench to claim a brace.
Gabriel Martinelli set the Gunners on the way early on with a flying header, but it wasn’t until the second half that they took control.
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Nelson netted twice in quick succession before a Thomas Partey screamer made it 4-0.
Martin Odegaard crashed home the fifth after being set up by Gabriel Jesus, as Arsenal recorded their biggest win of the season.
Nigeria Taiwo Awoniyi was unable to repeat the feat the recorded against Liverpool last week when he helped his team to a rare victory.
The victory was the team’s 300th all-time at the Emirates and took them back to the top of the Premier League table.