Which athlete's brand ambassador deal included an unprecedented equity stake that eventually became worth over $1 billion, despite the brand initially offering only a traditional cash endorsement?

Brand ambassadors can make or break a sports product's market penetration. Behind every iconic sports brand partnership is a strategic decision that transformed both the athlete's career and the company's trajectory. This trivia question explores one of the most financially significant yet initially underestimated endorsement deals in sports product history. Test your knowledge of the business side of sports marketing!

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Michael Jordan with Nike
LeBron James with Beats by Dre
Serena Williams with Puma
Cristiano Ronaldo with Nike