One of the most famous athletes in the world just did. Words by Jack Popovics    Lionel Messi, the greatest soccer player in the world (depending on who you ask), found himself a free agent this Summer.    Following the expiration of his two-year contract and a bitter fallout with his previous club, Paris Saint-Germain (PSG), Messi made the decision to not only relocate to the United States for his future playing endeavors but specifically chose to join Inter Miami C.F. Which comes as a surprise considering a team in Saudi Arabia, Al Hilal SFC, offered Messi a $400 million …