In an intense Monday night football, London-side, Arsenal managed
to get a win over 10-man Watford, thanks to Pierre-Emerick Aubameyang's early opener.
Aubameyang profited from an error by Watford goalkeeper Ben Foster as he blasted an attempted clearance in, off the Arsenal striker.
With the win, Arsenal edged London rivals Chelsea with a goal difference (but a game in hand) and two points clear of Manchester United in the top-four race. .