Laurent Koscielny struck the winning goal at the start of the second half for the Gunners.
Tottenham beat Sunderland 1-0 thanks to a late Gareth Bale goal but it was not enough for fourth.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Since Guus Hiddink arrived at the helm, Chelsea have improved considerably after a tricky start to the campaign.
Newcastle United are staring down the barrel of relegation to the Championship for the second time in the past eight years.