10 years of Projection vs Wins data

http://www.fangraphs.com/blogs/10-years ... ojections/

This links to an interesting article containing graphic data comparing the distribution of projected vs actual wins for all teams over the last decade. Enjoy.

Cool info. Must be Cub fans making those projections coupled with hopeful thinking.

Interesting. Someone makes predictions/projections. Cubs or whomever fails to meet predictions.
Conclusion: Cubs or whomever are underachievers.
OR
Is it possible the algorithm for making the predictions/projections is not accurate?