VIDEO: Arsenal 3-0 Watford (Premier League) Highlights
Arsenal followed up their Europa League win over AC Milan on Thursday with a 3-0 victory over Watford on Sunday.
Defender Shkodran Mustafi opened the scoring for the Gunners inside ten minutes but the visitors responded by testing Arsenal for the remainder of the half.
However, after making a good start to the second half, Pierre-Emerick Aubameyang punished the Hornets as he slotted home a Henrikh Mkhitaryan feed to make it 2-0.
The roles were then reversed as the Gabon international set up his Armenian team-mate, making it 3-0 after Petr Cech had saved a Troy Deeney penalty at 2-0.
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