Manchester United have dropped four places to sixth in Forbes Magazine's annual list of the world's most valuable sports teams.
NFL side the Dallas Cowboys, valued at $US5 billion remain on top, with Major League Baseball's the New York Yankees second on the list at $US4.6bn.
BBC News reports Real Madrid are third, with fellow Spanish side Barcelona in fourth.
The Dallas Cowboys have been number one for the past four years.
Forbes' most valuable teams
1. Dallas Cowboys (NFL) $5bn (£4bn)
2. New York Yankees (MLB) $4.6bn
3. Real Madrid (Football) $4.24bn
4. Barcelona (Football) $4.02bn
5. New York Knicks (NBA) $4bn
6. Manchester United (football) $3.81bn
7. New England Patriots (NFL) $3.8bn
8. Los Angeles Lakers (NBA) $3.7bn
9. Golden State Warriors (NBA) $3.5bn
10. New York Giants (NFL) $3.3bn
10. Los Angeles Dodgers (MLB) $3.3bn
[Source:BBC]
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