Which athlete's endorsement deal included an unprecedented royalty structure that created the first athlete sub-brand and revolutionized sports marketing?

Athlete endorsements have revolutionized sports retail, creating billion-dollar industries around signature products. Some endorsement deals have fundamentally transformed both the athlete's career and the brand's market position. This trivia question explores one of the most significant athlete endorsement deals that changed the landscape of sports retail forever.

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Michael Jordan with Nike (Air Jordan)
Tiger Woods with Titleist
Serena Williams with Puma
LeBron James with Adidas