The Dallas Cowboys are the NFL's most valuable franchise at $1.85 billion, according to Forbes magazine's annual survey. That also gives the Cowboys Cowboys most valuable NFL franchisethe highest worth of any U.S. team, and makes them second only to Manchester United of the English Premier League, valued at $1.9 billion, among franchises worldwide. The New York Yankees are worth $1.7 billion, according to Forbes' most recent baseball calculations. Read more: http://espn.go.com/nfl/story/_/id/6941473/dallas-cowboys-most-valuable-nfl-team-forbes-list