Sunday 18 October 2015 19:26, UK
Alexis Sanchez scored a stunning goal during the warm-up ahead of Saturday's 3-0 victory at Watford.
Watch closely - he his wheeling away in delight well before the ball hits the back of the net.
Sanchez scored Arsenal's first goal in the 3-0 win at Vicarage Road - that's 10 in six now for the Chile internationals....
Hit play to watch the video...
