Bill James weighs in on the Diamondbacks and Pythagoras
2007-10-17 21:49
by Bob Timmermann
Phil Birnbaum has a link to an article that Bill James has submitted discussing the peformance of the Arizona Diamondbacks. You should give it a read if you are interested in seeing if anyone can make sense of the 2007 regular season in the National League. James is trying to examine whether or not a team like Arizona is more likely to improve or regress in the following season.
I guess the answer is, "They will regress, but still outperform the pythagorean expectation." In other words, certain teams seem to have an X factor that causes them to overachieve when compared with teams that have the same run differential but did not overachieve.
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