According to Forbes.
Rank, Team, Value, 1-Yr change (Sport)
1. Dallas Cowboys, $4.2 billion, 5% (NFL)
2. New York Yankees, $3.7 billion, 9% (MLB)
3. Manchester United, $3.69 billion, 11% (Soccer)
4. Barcelona, $3.64 billion, 2% (Soccer)
5. Real Madrid, $3.58 billion, -2% (Soccer)
6. New...