Which athlete's signature shoe line became the first to generate over $1 billion in annual revenue for a sportswear brand?

Athletic footwear endorsements have transformed from simple product promotions to billion-dollar strategic partnerships that drive both product innovation and market trends. These deals not only boost an athlete's income but can fundamentally alter a brand's market position and consumer perception. This poll tests your knowledge of one of the most significant endorsement deals in sports retail history that changed the athletic footwear landscape forever.

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

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