Which athlete was NOT an official brand ambassador for Nike when they famously released a signature shoe line named after them?

In the competitive world of sports marketing, the right brand ambassador can make or break a campaign. Athletic endorsements have evolved into strategic partnerships worth millions, creating iconic pairings that become inseparable in consumers' minds. Test your knowledge of these powerful marketing alliances that have shaped both sports culture and consumer behavior.

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Kobe Bryant (Kobe line)
Stephen Curry (Curry line)
LeBron James (LeBron line)
Michael Jordan (Jordan line)