|About the stats|
Over the course of his career, Geoff Zahn pitched 1,849 innings and made 53 plate appearances. Zahn was worth 20.5 Wins Above Replacement (20.5 as a pitcher and -0.2 as a hitter) and 3.9 Wins Above Average (4.1 as a pitcher and -0.2 as a hitter).
After adjusting for length of schedule, catchers, and relief pitchers, the 20.5 WAR becomes 20.4 adjWAR. Then, WAA is adjusted by ignoring negative seasons (thus, truly capturing a player’s peak seasons) and making similar adjustments for catchers and relief pitchers. After these adjustments, the 3.9 WAA becomes 10.4 adjWAA.
Then, the adjWAR and adjWAA are combined, but with extra weighting given to adjWAA. This gives Zahn 39.1 wWAR. wWAR is then converted to Hall Rating. A Hall Rating of 100 represents the Hall of Stats borderline (similar to OPS+ or wRC+, where 100 represents league average).
Geoff Zahn has a Hall Rating of 37, leaving him nowhere close to induction to the Hall of Stats.
Want even more detail about the formula? See the About page.