Arsenal have won an appeal against the red card shown to defender Gabriel during Saturday's Premier League defeat at Chelsea.
The Brazilian was dismissed after a series of clashes with Blues striker Diego Costa at the end of the first half of the 2-0 loss at Stamford Bridge.
He will now not serve a three-match ban for that red card.
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The former Villarreal player is subject to a separate Football Association charge of improper conduct, and has until Thursday evening to respond to that.
Costa has also been charged with violent conduct.