Would a Salary Cap Improve Baseball?

Earlier this week, Dubner wondered what kinds of changes might make Major League Baseball more interesting to the modern T.V. viewer.

A number of you suggested instituting salary caps. This chart comparing team performance with total player salaries over the 2008 season, by data visualization guru Ben Fry, does seem to suggest a link between higher pay and sluggish performance.

But does it?

Check out Fry’s charts for the 2005, 2006, and 2007 seasons as well.