Which athlete's brand ambassador deal with Nike revolutionized sports marketing by introducing the concept of signature shoe lines, leading to the creation of a separate brand division?

In the competitive world of sports marketing, brand ambassadorships can transform both the athlete's career and the company's market position. These partnerships go beyond simple endorsements - they often represent strategic alignments between brand values and athlete personas. This trivia question focuses on a groundbreaking brand ambassador deal that changed the landscape of sports marketing forever.

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Michael Jordan with the Air Jordan line (1984)
Tiger Woods with the TW line (1996)
Serena Williams with the SW collection (2004)
LeBron James with the LeBron signature series (2003)