Which athlete holds the Guinness World Record for the most lucrative product endorsement deal of all time (as of 2023)?

The Guinness World Records organization has documented countless incredible achievements, including some remarkable brand endorsements and marketing deals. Test your knowledge about record-breaking product endorsements that made it into the prestigious Guinness World Records book. These partnerships between brands and record holders represent some of the most lucrative and influential marketing collaborations in history.

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Michael Jordan's lifetime deal with Nike (estimated at over $1.3 billion)
Cristiano Ronaldo's lifetime deal with Adidas (estimated at $1 billion)
Serena Williams' partnership with Puma (estimated at $950 million)
LeBron James' lifetime deal with Under Armour (estimated at $1.2 billion)