Referee Mike Dean will certainly be getting a lot of attention on the sports pages and on Match of the Day later, as he found himself showing two red cards to Arsenal players this afternoon.
Being down to nine helped Jose Mourinho's side secure a 2-0 victory over Wenger's men, but the altercation between Diego Costa, Laurent Koscielny and Gabriel became one of the main talking points of the match.
Dean showed Paulista a red card for kicking out at Costa, and also sent off Santi Cazorla later in the game for a dangerous tackle on Cesc Fabregas.
BBC pundit Garth Crooks certainly didn't hold back either when he criticised Dean for his performance after the match on Football Focus, claiming that the referee was looking to make himself the star of the show all too often.
Garth Crooks is not a man to hold back, beware Mike Dean! http://t.co/eVBRiXPTBB, #bbcfootball https://t.co/6bxzprC9xZ
— Match of the Day (@BBCMOTD) September 19, 2015
He also claimed that he was acting like a "petulant school teacher" in the way that he dealt with the situation.
While Crooks was clearly worked up, it's unlikely to be the only criticism that Dean gets for his performance today.
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