“It’s our sport. Wizard sport. It’s like — like soccer in the Muggle world — everyone follows Quidditch — played up in the air on broomsticks and there’s four balls — sorta hard ter explain the rules.”
Hagrid, explaining what Quidditch is to Harry potter on their trip to get supplies in Diagon alley in Chapter Five of "Harry Potter and the Sorcerer's Stone"
Throughout the books, it's repeatedly stressed how little wizards know about Muggles, even Muggle-obsessed Arthur Weasley has very little clue.
How in the world would Hagrid know of soccer?