Good stats?

Where can a person find sports statistics online for free?



We are currently getting our data from Wikipedia and sports websites si.com and espn.com. But it would be nice to find a site that warehoused all data. Here are some of the best websites we have found so far:



http://www.pro-football-reference.com/

http://www.heisman.com/

http://www.sportsline.com/collegefootball/stats

http://www.collegefootballresource.com/



but none of these seem to have historical data. Frustrating.



Update: I found a couple more websites looking for historical ncaa football statistics.. Really good.

http://www.cfbdatawarehouse.com/index.php

http://homepages.cae.wisc.edu/~dwilson/rfsc/history/



This site has a college stats monthly newsletter!

http://homepages.cae.wisc.edu/~dwilson/rfsc/history/