Three NFL teams are now worth over $10 billion — and one of them cost just $500 when it was founded
1. Dallas Cowboys valued at $12.8 billion, most valuable NFL franchise. 2. Franchise valuations surged due to over $110 billion in media rights deals. 3. Ultrawealthy individuals struggle to buy teams as valuations rise. 4. Ownership has shifted to partnerships due to high price tags. 5. Waltons' $4.6 billion Broncos purchase highlights market challenges.