Quote:
Originally Posted by nat
And this actually overstates how valuable these guys were. WAR includes a leverage adjustment - basically, relief pitchers get extra credit when they appear in tight games. This doesn't make any sense, a run scored in the first inning counts just as much as a run scored in the ninth, but relievers get extra credit for preventing runs in the ninth inning that starters don't get for preventing runs in the same game in the first inning.
Because they pitch so few innings, relief pitchers just aren't that valuable. Their WAR scores are lower than those of starters, and if WAR had been better formulated (i.e., if it hadn't included a leverage adjustment) they would be even lower.
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I am not sure how you would analyze it statistically, but I've always thought relief pitchers' stats are favorably skewed because they don't get charged for letting inherited runners score.