Reason behind Kai Havertz's Arsenal celebration vs Chelsea justified after perfect vengeance

Arsenal delivered a painful andlong-awaited hammering to a Chelsea side who have historically done similar things to the Gunners in the past. How the tables have turned as these two clubs could not be further from one another despite the considerable investment in west London.

Five goals, two braces and one of them being scored by a player they deemed not good enough for their projectlifts Arsenal four points clear of title rivals Manchester City and provides the perfect setup to the North London Derby this weekend. A must-win game but now with plenty of momentum going into it

The Gunners are now just six goals with four games remaining from their highest-ever Premier League goal tally, which was set last season but their 26 goals conceded mean that their goal difference is 13 clear of Liverpool and 12 above City. As always, on a night of joy, football.london runs through the successes and frustrations from the Emirates.

Kai Havertz came on as a substitute in the 2-2 draw at Stamford Bridge earlier in the season, having little impact on the result and giving the home side then little to think about. Since then, he has risen into great form, scoring important goals and making the centre-forward position an interesting area of discussion.

His two goals against his former side felt like a new level had been reached, though. A relatively quiet first half in which he certainly should have taken a shot and instead opted to try to set up a teammate highlighting some of the lingering tweaks needed in his play.

However, it felt like he entered the field in the second half as a changed player. Whatever was said to him at half-time had clearly taken effect and he rightly celebrated against the club who deemed him surplus to requirement