This man, Roberto Carlos, who signed up as a brand ambassador of lucky.io which is a blockchain-based online casino. Lucky.io seems to be a good platform and will have some upgrades to it. Nowadays, It's easy to be an ambassador of a brand if you have a title or very popular.
source: https://www.cryptogamblingnews.com/world-cup-winner-roberto-carlos-lucky/
Roberto Carlos is one of the best players ever and as lucky.io choose him as a brand ambassador their brand is going to be much more stronger.
It is known that people connect those two stimuli and place them in the same category. As RC is famous and powerful, lucky.io becomes the same in the notion of customers.