After getting his work permit ratified, Sanchez completed his move to Manchester United.
The deal saw Henrikh Mkhitaryan head the other way to the Emirates, and he will hope to rebuild his career after failing to win favour under Jose Mourinho.
But Wright is adamant that Sanchez should not shoulder any of the blame for getting his wish of a switch to United.
“Gutted to see this but, he did say on many occasions he wants to win things!,” Wright wrote on Instagram.
Gotta blame the board. Good luck [Alexis Sanchez]. You gave everything for us
Alexis Sanchez
“Another one of our potential legends has left us for Manchester United!
"Gotta blame the board. Good luck [Alexis Sanchez]. You gave everything for us.”
Sanchez gave his own version of events after his move was confirmed and hit back at critics who claimed he didn’t give his all to the Gunners before he left.
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Alexis Sanchez has finalised a move to Manchester United
“There are people (former club players) who have spoken with no knowledge of what happens inside the club and cause damage.
“I must say I always gave 100%, until the last day, when I asked to the Mister to be in the team, because I wanted to make a contribution.
“I remember today, a conversation I had with Henry, a historic Arsenal player, who changed club for the same reason and today is my turn.”