Which athlete secured the largest product endorsement deal in history at the time of signing, valued at $1 billion over their lifetime?

The Guinness World Records features some astonishing achievements in product marketing and celebrity endorsements. These record-breaking deals have transformed both brands and celebrities' fortunes. Test your knowledge about which endorsement deal made history as the largest of its time, revolutionizing how companies approach celebrity partnerships in their product development strategies.

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LeBron James with Nike
Cristiano Ronaldo with Nike
Michael Jordan with Nike
Roger Federer with Uniqlo