Which athlete's signature shoe line became the first to generate over $1 billion in annual revenue for its brand, revolutionizing sports product endorsements?

Product endorsements have transformed the sports industry, turning athletes into global marketing powerhouses. Beyond just wearing branded gear, strategic endorsement deals have created cultural phenomena and redefined what it means to be a professional athlete. Test your knowledge about one of the most groundbreaking endorsement deals in sports history that changed the game for athlete partnerships forever.

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Michael Jordan (Air Jordan/Nike)
LeBron James (Nike)
Cristiano Ronaldo (Nike)
Stephen Curry (Under Armour)