Superstar receiver Calvin Johnson certainly enhances the Lions' value. (Detroit News / Daniel Mears)
The Detroit Lions, with an estimated value of $900 million, are ranked No. 40 in Forbes annual list of the most valuable sports franchises in the world.
The top 50 list is dominated by NFL teams, though soccer clubs occupy the top three spots and four of the top 10, including No. 1 Real Madrid ($3.44 billion) and No. 3 Manchester United ($2.81 billion).
Manchester United and Real Madrid will play a Guinness International Champions Cup match at Michigan Stadium on Saturday, Aug. 2.
The Lions are the only Detroit franchise in the top 50.
Top 10 most valuable
1. Real Madrid, soccer $3.44 billion
2. Barcelona, soccer $3.2 billion
3. Manchester United, soccer $2.81 billion
4. New York Yankees, MLB $2.5 billion
5. Dallas Cowboys, NFL $2.3 billion
6. Los Angeles Dodgers, MLB $2 billion
7. Bayern Munich, soccer $1.85 billion
8. New England Patriots, NFL $1.8 billion
9. Washington, NFL $1.7 billion
10. New York Giants, NFL $1.55 billion