The Chilean will spend the rest of this season in Italy, with the Serie A club subsidising some of his wages.
And it wasn't just supporters who were happy when he departed Old Trafford.
The Sun reports that a number of Sanchez's ex-teammates are 'glad to see the back of him'.
They believe that he was 'wildly overpaid' and 'undeserving' of his huge salary, reportedly around £505,000-a-week.
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One player even repeatedly said: "He was no Messi so why pay him all that dough?" following his exit.
That's a pretty harsh response from United's dressing room, but given his disastrous 19 months in Manchester, it's hardly a surprise they've reacted this way.
Sanchez scored just five goals in 45 appearances since making his move from Arsenal in January 2018.
In the Premier League, he averaged a goal once every 641 minutes - a pretty shocking stat, considering he averaged a goal every 168 minutes with the Gunners.
Despite recording poor stats and leaving teammates who have made their frustrations clear, the Chilean says he doesn't regret moving to the Red Devils.
"I’m very happy I went to Manchester United. I’ve always said that. It’s the club that’s won the most in England," he said.
“When I went to Arsenal it was fantastic - I was happy there - but United were growing at the time, they were buying players to win something.
"I wanted to join them and win everything. I don’t regret going there. I was happy at Manchester United too, but I’ve always said to my friends: I want to play.
"If they would let me play I’ll do my best. Sometimes I’d play 60 minutes then I wouldn’t play the next game - and I didn’t know why."
Sanchez will be hoping for more time on the pitch with Inter this season. If he recaptures the form he showed at Arsenal, then he could return to Manchester and slot back into Ole Gunnar Solskjaer's side.News Now - Sport News