The Chile worldwide has been heavily linked with a move away from the Emirates Stadium this summer with Manchester City and Paris Saint Germain interested though the Gunners are not willing to let him leave without a fight.
But the fact that Sanchez spent his Sunday in the French capital is just a coincidence, right?
Let's not forget that Bayern Munich, Manchester City and Antonio Conte's Chelsea are all interested in him as his future remains a mystery (Arsenal are also trying to retain him).
Take a look at the best responses to Alexis' tweet - which has since been deleted......
He reposted it moments later, with his location settings switched to off but with the internet being the internet, it was screenshot dozens of times.
Alexis Sanchez has suddenly got Arsenal fans very nervous after accidentally revealing that he is now in Paris, confirming reports that he flew to the French capital.
But Arsenal fans had the expected reaction upon finding out where their talisman was spending his weekend. But manager Arsene Wenger has admitted Arsenal are "not super optimistic" that they can convince the 28-year-old forward to extend his contract. "The biggest worry is Manchester City and that's the problem".
Journalist Nicolas Hortus revealed the Chilean worldwide spent the night in Paris as he looks for a move to a Champions League club. "He's not going to come back and hurt you".