Gabriel Martinelli was also on target as Arsenal beat West Ham United at the Emirates on Boxing Day.
Also Read: Watch: Bukayo saka with a neat finish to pull Arsenal level against West Ham, following a good effort from Martin Odegaard
The win means Arsenal are now unbeaten in nine Premier League games and are currently sitting tops of the league with 40 points.
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With Manchester City yet to play their game, Arsenal are currently 8 points ahead of them.