Emile Smith Rowe broke the deadlock within the 2d half of after an stimulated overall performance from Watford goalkeeper Ben Foster had frustrated the hosts, with Juraj Kucka disregarded past due on on the Emirates Stadium.
The 3 factors suggest Arsenal, unbeaten in 10 video games in all competitions, leapfrog Brighton and Manchester United. Watford are just two points above the relegation quarter after three defeats in four league matches underneath new boss Claudio Ranieri.
The Gunners last season did not qualify for Europe for the primary time in 26 years however they're now unbeaten in 10 video games in all competitions. The domestic aspect thought they'd taken a seventh-minute lead whilst Bukayo Saka tucked away a free ball in the region after Foster parried Alexandre Lacazette's chip. But the goal become disallowed for offside following a VAR test.
Arsenal had been offered a penalty when former Tottenham defender Danny Rose rashly thrust his arm into Lacazette's head in the thirty fourth minute. But 38-year-old Foster fantastically stored Pierre-Emerick Aubameyang's unconvincing spot-kick.
Kucka produced Watford's brightest first-half second while he dispossessed Albert Sambi Lokonga and saw his shot deflected simply huge with the aid of Ben White. Foster endured to preserve Arsenal at bay, making another sharp store with his foot to deny Gabriel's company header from a nook quickly before half of-time.
But Smith Rowe broke the deadlock within the 56th minute, scoring his third aim in as many Premier League video games whilst his strike from the edge of the vicinity ricocheted off Craig Cathcart and into the internet. He joined membership greats Nicolas Anelka, Jose Antonio Reyes and Cesc Fabregas in scoring in three directly Premier League games for Arsenal aged 21 or younger.
Aubameyang's forgettable day continued when he poked domestic Martin Odegaard's purpose-certain shot in an offside position. Aaron Ramsdale had a nervy second late on whilst he rushed from his goal and did not clear the ball but Josh King hit the side-netting from a decent attitude.
Kucka become despatched off inside the 89th minute after receiving a second yellow card for a late challenge on Nuno Tavares, at the same time as Foster denied Lokonga in added time.
