Which famous athlete was the first to create a billion-dollar personal brand through innovative product endorsements and is credited with transforming athlete marketing?

Before celebrity endorsements became standard practice in advertising, one famous person pioneered a revolutionary approach that transformed how products were marketed. This individual didn't just appear in ads but created an entirely new paradigm of personal branding that continues to influence product marketing strategies today. Test your knowledge about this groundbreaking figure who forever changed the relationship between celebrities and product promotion.

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Michael Jordan, who revolutionized endorsement deals with his Nike Air Jordan line launched in 1984
Arnold Palmer, whose licensing deal with United Merchants in 1961 created one of the first athlete-branded product lines
Pelé, who signed the first multi-million dollar global endorsement deal with Puma in 1970
Serena Williams, whose 2004 Nike deal pioneered performance-based compensation for athletes