Which athlete's 1984 endorsement deal created a revolutionary signature shoe line that continues to generate billions in revenue annually, decades after the athlete's retirement?

Athletic endorsements have transformed both sports marketing and athletes' careers. Beyond just promoting products, these partnerships have created cultural moments, shifted brand perceptions, and sometimes even outlasted active playing careers. This trivia question focuses on one of the most significant athlete endorsement deals in sports history that fundamentally changed how brands approach athlete partnerships.

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Michael Jordan (Nike Air Jordan)
Bo Jackson (Nike Cross Trainers)
Andre Agassi (Nike Challenge Court)
Wayne Gretzky (Nike Zoom Air)