England players notified the officials after they were subjected to racist abuse in Bulgaria but still stormed to a 6-0 win.
UEFA needs to do more to counter racist abuse after England followed the governing body's protocol in Bulgaria, according to Ian Wright.
Marcus Rashford, Ross Barkley, Raheem Sterling and Harry Kane all scored as England thrashed Bulgaria, but racism was regrettably the story.
Pre-match fears that England's players would be subjected to racism in Bulgaria were unfortunately realised during Monday's match in Sofia.
Aston Villa centre-back Tyrone Mings will make his England debut in Bulgaria as one of five changes made by Gareth Southgate.
England must give a strong reaction to defeat when they take on Bulgaria and not worry about their global standing, says Gareth Southgate.
England's first qualifying defeat in a decade could lead to a tactical restructuring for the nation's next Euro 2020 qualifier.
England suffered their first qualifying defeat since 2009 against the Czech Republic, with captain Harry Kane calling the display sloppy.
England suffered their first qualifying defeat for 10 years on Friday, with Gareth Southgate unhappy with the performance.
Harry Kane's early penalty put England ahead in Prague, but the Czech Republic came from behind to win 2-1 in Friday's Group A game.