This new "injury" has seen him watch Arsenal's opener from the stands and he is also forecast to miss Arsenal's next game at Stoke, which is also very unusual as we have previously seen Sanchez take to the field when practically wearing crutches as he hates missing any chance to play. He has a little abdominal strain that he caught on Sunday morning in training, before he came to Wembley.
On Friday night, as Arsenal kicked off the new EPL season against Leicester, Sanchez and his girlfriend watched on in the stands.
"Arsenal fans want him to stay", the former Arsenal forward said.
Sanchez is most likely to miss the opening two games, with manager Arsene Wenger also refusing to reveal if the club had received any bids for the 28-year-old.
On Sanchez and Ozil's final year of contract, Wenger said: "When a player goes into the final year of their contract we will try to extend the contract because there is no reason we shouldn't do it, but we are not there yet".
'There is no reason not to do it.
Wenger said Sanchez would not have started against Leicester even if he wasn't injured.
'He was busy completing the transfer of Neymar. "I think if you read the French papers, they are on Mbappe's case to finish their transfer market". "I have had no contact with PSG".
'I can't tell you that (if there have been offers). Manchester City and Paris Saint-Germain are reportedly interested in the player, who has just one year left on his contract at Arsenal. We are not open to any offers anyway'.
'Will they be available or not? At the moment, negotiations are going on, but it appears as if both club and player are having a hard time coming to a new deal.
'I can take a gamble on one, maybe maximum two, but I focus more on the players who had the right number of competitive minutes in recent weeks'.