Which athlete-brand ambassador deal is widely credited with revolutionizing sports marketing by including signature product lines and royalties rather than just flat endorsement fees?

In the world of sports marketing, brand ambassador deals have transformed how athletes earn and how companies promote their products. These partnerships have grown from simple endorsements to multi-million dollar strategic relationships that can define both an athlete's legacy and a brand's market position. Test your knowledge about one of the most pivotal brand ambassador deals in sports history that changed the landscape of athlete endorsements forever.

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Michael Jordan's deal with Nike (1984)
Tiger Woods' deal with Titleist (1996)
Serena Williams' deal with Puma (1998)
David Beckham's deal with Adidas (1997)