That's according to Sky Sports pundit Leon Osman.
A rebuild is obviously neccesary with Arsenal finishing out of the Champions League places last season, and looking very likely to repeat that again this season, so it is obvious that Alexis is unlikely to get his wish to win a Premier League medal with the Gunners. Both forwards have been battling hamstring complaints, but could yet return for the match.
Changes in the club's support staff, and persistent speculation Carlo Ancelotti is being lined-up behind the scenes to take over, have failed to unsettle Wenger.
Otherwise, all our other injured players remain unavailable for selection but Laurent Koscielny, Nacho Monreal and Sead Kolasinac could all be back in contention next weekend.
Antonio Conte's men are now in third place in the Premier League table and 15 points behind leaders Manchester City after 22 games of the new campaign.
It is to be seen where Sanchez ends up joining but it is for certain that the Chilean will not be an Arsenal player at the start of next season.
Mark Lawrenson is backing Chelsea to return to winning ways in the Premier League by beating Leicester City 2-0 at Stamford Bridge on Saturday afternoon..
Arsenal have conceded four penalty goals in their last three games in all competitions.
Chelsea have since played out two goalless draws, against Norwich in the FA Cup and against Arsenal in the first leg of their League Cup semi-final on Wednesday night. "I think they'll do really well to finish sixth".
Arsenal have won seven of their last 23 away league games, the main factor behind their struggle to keep pace with teams around them.
"Is it is me in charge or somebody else you can only do what is best for club".