MOPEDS emblazoned with Manchester United’s crest drone through the streets of Bangkok. Fans in Okene, Nigeria, dance in red and white kits on the town’s annual Arsenal Day. Official supporters’ groups exist in Macedonia, Mongolia and Mexico, some of the 180-plus countries to which matches are broadcast.

MOPEDS emblazoned with Manchester United’s crest drone through the streets of Bangkok. Fans in Okene, Nigeria, dance in red and white kits on the town’s annual Arsenal Day. Official supporters’ groups exist in Macedonia, Mongolia and Mexico, some of the 180-plus countries to which matches are broadcast.