ARSENAL were given the lead at Chelsea following a howler by Andreas Christensen.
The defender, set to join Barcelona on a free this summer, made a mess of what should have been a routine clearance.
But his weak back pass fell well short of keeper Edouard Mendy and put striker Eddie Nketiah through on goal.
The forward did the rest as he finished past Mendy to give Arsenal an early advantage.
It was shades of Jorginho’s gaffe last year which gave Emile Smith Rowe a tap in.
Christensen’s mistake sparked the first goal of FOUR in the opening 45 minutes.
Timo Werner quickly equalised after he cut in from the left and saw his effort deflect past Aaron Ramsdale.
Arsenal then restored their lead after a well-worked counter attack was finished off my Smith Rowe.
But, the game was again levelled as Chelsea skipper Cesar Azpilicueta converted from a cross to make it 2-2 just after the half hour mark.
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