For a half century, the Dallas Cowboys' rivalries have shifted between Green Bay, San Francisco, Pittsburgh and New England when it comes to the business of collecting Lombardi Trophies. Even while stalled at five, the Cowboys rank behind only the Patriots and the Steelers in Super Bowl wins.
Their rival in the sports business world is another matter. If you examine Forbes' list of the 50 most valuable franchises in the world -- where the Cowboys check in at No. 1 for the fourth consecutive year -- the only conclusion is that the best comparison to the Cowboys is the New York Knicks.