Arsenal fans troll Manchester United's tweet celebrating Alexis Sanchez's anniversary

A year ago today, Arsenal officially announced the signing of Henrikh Mkhitaryan from Manchester United as a part of a swap deal with Alexis Sanchez, who moved to Manchester United. Alexis Sanchez has failed to provide successful performances for the Red Devils. He has suffered injuries and has been left out from the squad, several times, under Jose Mourinho. Meanwhile, Henrikh Mkhitaryan has had a more successful season at Arsenal. The midfielder has been an important part of the Gunners squad. For the one year anniversary, the Red Devils posted a tweet with Alexis Sanchez picture. https://twitter.com/ManUtd/status/1087626686164860928 Arsenal fans were quick to troll the club in the replies of the tweet. https://twitter.com/jackwereW/status/1087628444064800769 https://twitter.com/Arsenal_Editor/status/1087659589015724032 https://twitter.com/Matt_Timbrell/status/1087628140720123904

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