The long version of my data mining paper using baseball data:
http://www.slideshare.net/FahmeenaOdettaMoore/moorefmis70006bfinal.
(the professor sent it back for me to remove the appendix & meet the 2-3 page requirements).

I actually found research that used the same data:

Article: Compensation and performance in Major League Baseball: Evidence from salary dispersion and team performance
By Tao, Y., Chuang, H., & Lin, E. S.

Maybe I should do something similar with healthcare data. Interesting!