Dallas Cowboys remain NFL's most valuable franchise

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When Forbes releasted its annual NFL valuations Wednesday, a familiar logo rested atop the list.

The Dallas Cowboys remain the league's most valuable team with value of $4.2 billion and an operating income of $300 million. The New England Patriots came in second at $3.4 billion.

Fresh off the opening of The Star - Dallas' new and improved headquarters in Frisco, Texas - and still showing off the impressive AT&T Stadium whenever the opportunity strikes, the Cowboys have a web of impressive facilities within their confines.

In contrast, the Buffalo Bills - playing in a small market and 43-year-old stadium - were listed as the least valuable franchise at $1.5 billion, with the Detroit Lions just ahead of them in 31st at $1.65 billion.

The Atlanta Falcons made the biggest leap, up 40 per cent to reach 19th at $2.125 billion. The Los Angeles Rams also soared after moving from St. Louis, jumping 31 per cent to reach sixth at $2.9 billion.