Mariano Rivera #42 of the New York Yankees.

Mariano Rivera #42 of the New York Yankees. Credit: Mariano Rivera #42 of the New York Yankees. (Getty Images)

The Yankees are the world's fourth-most valuable sports team, worth $2.3 billion, and the Giants come in at No. 9 at nearly $1.5 billion, according to a new Forbes ranking of the world's 50 most valuable sports franchises.

Almost all of the city's major teams nabbed spots on the list, with the Jets at No. 14 ($1.3 billion), the Knicks at No. 23 ($1.1 billion) and the Mets at No. 45 ($811 million).

The Yankees dropped one spot from last year despite increasing in value from $1.85 billion, while the Giants maintained their No. 9 ranking with about a $200 million increase in value over last year.

The top three spots on this year's list belong to European soccer teams, with Real Madrid at the top with $3.3 billion, Manchester United in second at $3.2 and Barcelona in third at $2.6 billion.

The Dallas Cowboys, with $2.1 billion, rounded out the top five and came in as the most valuable football team. The NFL overall accounted for 60% of this year's list.

Here are the top 10 teams:

1. Real Madrid ($3.3 billion)

2. Manchester United ($3.2 billion)

3. Barcelona ($2.6 billion)

4. New York Yankees ($2.3 billion)

5. Dallas Cowboys ($2.1 billion)

6. New England Patriots ($1.6 billion)

7. Los Angeles Dodgers ($1.6 billion)

8. Washington Redskins ($1.6 billion)

9. New York Giants ($1.5 billion)

10. Arsenal ($1.3 billion)

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