Chelsea have been very impressive under Thomas Tuchel since the German came in for club legend Frank Lampard at the start of the year, but last night was a very disappointing night at the office. As the blues slipped up to cross city rivals Arsenal, Chelsea missed out on a massive chance to cement their place in the top four and that all important Champions League football for next season.
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Meanwhile Arteta will be delighted with the win as he was a man under pressure, that win will go a long way to easing the pressure on his shoulders.