Commentary

Hollinger's Insider Gems: Dec. 31, 2008

John Hollinger gives us five observations for Wednesday.

Updated: December 31, 2008, 1:23 PM ET
By John Hollinger | ESPN.com

1. Let's talk a little about a concept called "regression to the mean," because it's an important one for those watching the Cavs and Celtics lately. Basically, regression to the mean says that just because you start the season 25-4, it doesn't mean you're going to keep performing so well -- in fact, the odds are strongly against it.


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