Oddly, a lot of sabrmetric geeks I know don’t like the Win Probability Added (WPA) statistic. I don’t want to speak for them as to why, but the comment I hear that drives me the craziest is something like “All you have to do is see that Erik Komatsu was more valuable then Ben Revere to understand that it is worthless.” It drive me crazy because 15 years ago, I would hear the same question from baseball traditionalists when I’d suggest that an on-base machine like Bobby Abreu was more ...