Which athlete's groundbreaking endorsement deal in 1984 introduced the concept of signature product lines and revenue sharing that fundamentally changed how sports endorsements work?

Product endorsements have transformed the sports industry, creating powerful connections between athletes, brands, and fans. The right partnership can elevate both an athlete's profile and a brand's market position. This poll explores a fascinating aspect of sports endorsement history that changed how these partnerships are structured. Test your knowledge about this pivotal moment in sports marketing!

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Michael Jordan with Nike (Air Jordan)
Bo Jackson with Nike (Bo Knows campaign)
Andre Agassi with Nike (Challenge Court line)
Shaquille O'Neal with Reebok (Shaq Attaq)