Which groundbreaking athlete endorsement deal in the 1980s fundamentally changed the sports marketing landscape by introducing the concept of a signature shoe line with revenue sharing?

Sports marketing has transformed dramatically over the decades, with athlete endorsements becoming a cornerstone of brand promotion strategies. From signature shoes to lifestyle products, athletes have tremendous influence on consumer behavior and brand perception. This trivia question explores a significant turning point in sports advertising history that changed how brands leverage athletic talent.

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Michael Jordan's deal with Nike for Air Jordan (1984)
Bo Jackson's cross-training campaign with Nike (1989)
Magic Johnson's partnership with Converse (1981)
Larry Bird's endorsement with Converse Weapon (1986)