No head coverings or robes please! Well, at least for the infidels.
https://www.nufc.co.uk/news/latest-news/newcastle-united-issues-guidance-on-matchday-attire/
I have read he is interested and they want him. It would be a big step if they were to pull it off. I also read they plan on 50M pounds in January when they can spend up to 140M. I doubt Simeone would appreciate that.