World Cup Jersey Etiquette: Wearing Your National Team Kit to a Different Match

A first-time World Cup attendee is heading to the South Korea vs. Czech Republic fixture and wondering if it's acceptable to wear their Brazil national team jersey. The fan, a proud Brazilian supporter, found themselves unable to buy a jersey for either team playing and only owns their own country's kit. They've heard mixed opinions online and want real-world advice from experienced matchgoers. In reality, wearing your national team jersey to a match where they're not playing is completely fine...