Most valuable sports franchises: These are the most valuable sports teams leading with the most valuable sports franchise, Manchester United F.C. These teams are worth the most money within the entire industry, which also means these are some of the greatest sports teams in the world and thus worth buying a piece of. They've already got very important financial backers and even more important star players. These teams are prized like no other in their sports genre and the players are all treated like celebrities. Of course they have to have the wins to back them up, and these teams most definitely do.What are the most valuable sports franchises? Take a look here and you'll see for yourself.