After a night English Football Association’s chairman Greg Clarke described as “one of the most appalling I’ve seen in football,” the pressing question now is: What punishment will Bulgaria face for some of its fans’ abhorrent behavior? The fallout has already begun. Bulgaria’s Prime Minister called for the president of the country’s football association to resign immediately. Borislav Mihaylov has since announced he will step down. In addition, the country’s interior ministry confirmed four people have been detained in connection with the racist abuse. “Work is still ongoing to identify other participants in the incident,” read a statement Wednesday. But if football wants to eradicate the racism which is bringing shame on the sport, what UEFA does next will have the biggest impact on effecting change. UEFA’s disciplinary proceedings have begun, with the Bulgarian Football Union charged with racist behavior, including chants and Nazi salutes, and the disruption of a national anthem and displaying replays on a giant screen. The English FA faces sanctions too, over national anthem disruption and an insufficient number of traveling stewards. World governing body FIFA has also asked UEFA to notify it of any punishment potentially handed down to the BFU. “This would allow any…