It’s been done in baseball, and now it’s coming to basketball.  Interesting link if you’re into basketball, especially if you (like me) are a Celtics fan.  Saw this awhile ago, but even more interesting if you noticed how Rondo and Powe had huge roles in the Finals:

http://www.nytimes.com/2008/05/04/magazine/04wwln-freakonomics-t.html