Organizers may promise an economic boom, but the Games often leave big debts.
The threat of protests at next year's Winter Olympics in Russia against a controversial anti-gay law has left sponsors jittery about potential damage to their business.
Bayern Munich has won another title to add to its status as soccer champions of Europe - the most valuable team in world sports.
The 10th annual list is headlined by a boxer, but dominated by baseball players, who take up half of the spots.
We had some fun finding color schemes that big businesses share with American teams.
Andy Murray is set to win big from sponsorships and endorsement deals after becoming the first British tennis player in 77 years to win the prestigious Wimbledon men's championship.