Which athlete's endorsement deal revolutionized sports marketing by including an unprecedented signature product line and percentage of sales rather than just a flat fee?

Athletic endorsements have transformed the sports retail landscape dramatically over the decades. What began as simple product placement has evolved into billion-dollar partnerships that shape both athlete careers and brand identities. This trivia question explores a pivotal moment in sports marketing history that fundamentally changed how athletic endorsements are structured and valued in the modern era.

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Michael Jordan with Nike (Air Jordan)
Tiger Woods with Titleist
Serena Williams with Puma
David Beckham with Adidas