Which athlete's signature shoe deal became the first to generate over $1 billion in annual revenue for a sportswear brand?

Athletic endorsements have transformed the sports industry, creating powerful brand associations and generating enormous revenue streams. Some athlete-brand partnerships have become so iconic they've transcended the sports world and entered popular culture. This trivia question tests your knowledge about one of the most financially successful athlete endorsement deals in history - a partnership that revolutionized sports marketing and created a lasting legacy.

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Michael Jordan (Nike Air Jordan)
LeBron James (Nike LeBron)
Cristiano Ronaldo (Nike CR7)
Stephen Curry (Under Armour Curry)