Which athlete's product endorsement deal is considered revolutionary for creating a signature product line that continues to generate billions in revenue decades after their retirement?

Product endorsements by celebrities can transform brands and create iconic marketing moments. Some endorsement deals have become legendary in the retail world, generating massive sales increases and cultural impact. This trivia question focuses on one of the most financially successful celebrity endorsements in sports history that changed how athletes approach product partnerships.

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