Posted By:
jay behrensWhere ever a researcher with SABR makes an announcement that he has found errors in the stat record he has a number of different sources to back up the claim. Also, a lot of the errors are found reading the game accounts, not just looking at the box scores.
Total Baseball, which MLB said contained the offical records, ceased publication because there were so many stat sources on the net. Sadly, I have not hear that MLB has declared any site are having the "offical" records. The Lehman Database http://www.baseball1.com/ used the numbers from Total Baseball.
As for "massaging" numbers. Those are fighting words for the people in the records committee. The analysts "massage" number 
Jay