2010 DIRVA_PLUS pitching runs

Last year I introduced DIRVA_PLUS, a pitching metric specifically designed to look at the actual past performance of pitchers. Unlike pitching metrics that are designed to measure a pitcher’s true talent to be used in projecting future performance, DIRVA_PLUS includes the effects of sequencing of events. It also makes an adjustment to adjust for the […]

Valuing the intentional walk

The most popular way of measuring the run impact of a batting outcome is called linear weights, first introduced by Pete Palmer in the 1980’s and discussed at length in the Sabermetric Wiki. Using linear weights, you can compare the impact of a single to a double, or a walk to a home run. The […]