Which athlete's 1984 endorsement deal revolutionized product marketing with a signature line that continues to generate billions in revenue nearly four decades later?

Before social media influencers, celebrity product endorsements were revolutionary marketing tactics that changed how companies sold their products. Throughout history, certain celebrity-product partnerships created watershed moments in advertising, establishing practices we still see today. This trivia question explores one of the most financially significant celebrity endorsements that transformed both the product's market position and how companies approached celebrity partnerships.

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Michael Jordan with Nike's Air Jordan
Joe Namath with Noxzema shaving cream
Pelé with Puma soccer cleats
Arnold Palmer with Pennzoil motor oil