Real Madrid is world's most valuable sports team! Check out top 10

Real Madrid headed a trio of European soccer clubs at the top of a list of the world's 50 most valuable sports teams released by Forbes on Monday which was dominated by National Football League (NFL) franchises.

The nine-times European champions were worth $3.3 billion (2.1 billion pounds), up from $1.88 billion last year, due in large part to increased revenue from deals with Adidas and Emirates Airlines, Forbes said in a statement.

With 30 teams in the top 50, the NFL occupies 60 percent of this year's list. The average value of the top 50 teams is $1.24 billion, which is a 16 percent increase from last year.

The 20 non-NFL teams in the top 50 are comprised of seven each from MLB and soccer, three from the National Basketball Association, two from motor racing and one from the National Hockey League.

Check out the 10 most valuable sports teams in the world:

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Manchester United

Value: $3.165 billion

Barcelona

Value: $2.6 billion

New York Yankees

Value: $2.3 billion

Dallas Cowboys

Value: $2.1 billion

New England Patriots

Value: $1.635 billion

Los Angeles Dodgers

Value: $1.615 billion

Washington Redskins

Value: $1.6 billion

New York Giants

Value: $1.468 billion

Arsenal

Value: $1.326 billion