Which athlete's endorsement deal included an unprecedented 'percentage of revenue' clause that led to the creation of a billion-dollar sub-brand bearing the athlete's name?

The sports industry thrives on powerful partnerships between athletes and brands. These endorsement deals have shaped marketing history, creating legendary campaigns and transforming both the athletes' careers and the companies' fortunes. Test your knowledge about one of the most significant endorsement contracts that changed the landscape of sports marketing forever.

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Michael Jordan with Nike (Air Jordan)
Serena Williams with Puma (Serena Collection)
LeBron James with Adidas (King James Line)
Tiger Woods with Reebok (Tiger Woods Collection)