Post Brexit, EPL clubs are still allowed to recruit foreign players as before, except EU players will ALL be foreign, so all foreign rules apply, such as is he already a National? Assuming the foreign-local ratio doesn't change as rumour on FA management, then the biggest impact will be on Academy. No English Clubs will be able to recruit U18 players from Europe. i.e. No Pogba. I guess City, Chelsea and Arsenal will be impact the most, but we will have problem. In addition, Irish players (residing in Britain) may be forced to adopt English passport until 20+ when they can elect to re-represent Ireland...