Due to the different opportunities presented to Black and Latino players before integration, the Hall Rating of these players does not accurately reflect their Hall of Fame cases. When possible, the Hall of Stats uses Eric Chalek’s Negro League MLEs to present an alternate Hall Rating for prominent early Black and Latino stars. Leon Day has a 84 Hall Rating using these MLEs. The rest of the stats on this page come from real game data, not MLEs.
The Hall of Stats and The Negro Leagues • Negro League MLE Rankings • Leon Day at Seamheads
|About the stats|
Over the course of his career, Leon Day pitched 609 innings and made 653 plate appearances. Day was worth 18.3 Wins Above Replacement (14.3 as a pitcher and 4.0 as a hitter) and 12.6 Wins Above Average (9.6 as a pitcher and 2.9 as a hitter).
After adjusting for length of schedule, catchers, and relief pitchers, the 18.3 WAR becomes 23.1 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 12.6 WAA becomes 11.8 adjWAA.
Then, the adjWAR and adjWAA are combined, but with extra weighting given to adjWAA. This gives Day 44.3 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).
Leon Day has a Hall Rating of 42, leaving him nowhere close to induction to the Hall of Stats.
Want even more detail about the formula? See the About page.