It is still unclear if Oleksandr Zinchenko will be fit to return for Arsenal against Crystal Palace today, but he has now opened up on the challenge his side will face. Zinchenko missed the defeats to Fulham and Liverpool with injury, and Mikel Arteta refused to confirm if he would return against Roy Hodgson’s side. Arsenal struggled for results before the mid-season break, but will be taking on a Crystal Palace side in even worse form, and the Gunners will need to win this game to bounce back from their malaise and resume their hunt for the Premier League title. Zinchenko wary of Crystal Pala…