A quarter-century ago, the teams in the four major North American leagues were worth a collective $30 billion. Now, they’re valued at more than $500 billion—and one has seen appreciation of more than 6,400%. Read the full story on Forbes: https://www.forbes.com/sites/brettknight/2025/12/26/the-sports-franchises-that-have-gained-the-most-value-since-2000/ Subscribe to FORBES: https://www.youtube.com/user/Forbes?sub_confirmation=1 Fuel your success with Forbes. Gain unlimited access to premium