Sanchez moved to Old Trafford from the Gunners in a swap deal involving Henrikh Mkhitaryan in January 2018, and was quickly made the highest earner at the club.
However, the former Barcelona forward failed to replicate his blistering Arsenal form at his new club and was quickly made a scapegoat for Manchester United’s struggles.
Sanchez scored just five goals in 45 appearances for United before he was sent out on loan to Inter Milan for the 2019/2020 season.
The 31-year-old’s switch to the San Siro was made permanent last month after finding some much needed form under Antonio Conte.
Reflecting on his time at Manchester United, Sanchez revealed he had a premonition that things would go south after his first training session
In a video posted on his Instagram, Sanchez said: "I accepted the opportunity to go to United, it felt tempting and it was something good for me, I liked this club a lot when I was a kid. Eventually I signed but I didn't ask for information on what was happening inside the club.
"Sometimes there are things that you don't realise until you get there, and I remember the first training session I had, I realised a lot of things.
"After the session I got home and I told my family and my agent 'can you not rip up the contract to go back to Arsenal?'. They laughed, I told them there's something that doesn't sit right, it doesn't seem good.
"But I already signed, I was already there. After the first few months I carried on having the same feeling, we weren't united as a team in that moment."
"I'm telling you my experience, the journalists at times would speak without knowing the facts and it hurt, they had no idea what was going on inside the club," he added.
"They said it was my fault, and this, and that, but sometimes a player depends on the environment, the family that is created around him, and I think that in that moment we weren't really a family.
"And that translated onto the pitch, and since there needed to be someone to blame, they blamed me."
