What's the biggest World Cup upset of all time?

Try The Athletic for FREE for 30 days: https://theathletic.com/tifofootball 📗 Tifo's new book, "How to Watch Football" is now available internationally: https://linktr.ee/tifobook The World Cup has produced some big upsets over the years. But which was the biggest shock? Join the Tifo Discord Server - https://discord.gg/6nMGtSyyNM Follow Tifo Football by The Athletic: Facebook: http://facebook.com/TifoFootball Instagram: http://instagram.com/TifoFootball_ TikTok: https://www.tiktok.com/@tifofootball_ X: https://x.com/TifoFootball_ Listen to the Tifo Football podcast: The Athletic UK: http://b