Mikel Arteta described Granit Xhaka's conduct as "unacceptable" only two weeks ago, but it was a different story after the midfielder's goal helped Arsenal to a 3-1 win over Premier League rivals Chelsea on Saturday.
Returning from suspension, there was a moment of swift redemption from former Arsenal captain Xhaka when he struck home a thumping free-kick in the first half of the London derby at Emirates Stadium.
The Swiss star had been sent off for grabbing Ashley Westwood by the throat in a 1-0 home defeat to Burnley on December 13, and it triggered a three-game ban.