One of the best parts of this site is the accessibility of David Appelman and his willingness to improve and/or update the site to feature more statistics and new parameters for those numbers. The newest addition to the Fangraphs statistical team is calendar year rankings. By going to the leaders page you can now sort not only by month or last 7/14/30 days, but also by the last 1, 2, or 3 calendar years.
How about the best and worst WPA counts for hitters in this same span?
Hmm. Of the worst five contributors over the last three calendar, two are from the Tigers and two are from the Mariners. In terms of context-neutral wins (WPA/LI), Pujols and Berkman switch places; Berkman’s 17.34 comes in ahead of Pujols’s 16.69.
How about starting pitchers and WPA?
Wow. Numbers 2 and 3 combine for -7.10 and Morris still comes in 7/10 of a win worse than them. In terms of WPA/LI, Johan reclaims his spot atop the throne with a 10.77, a full 1.60 wins ahead of second-place Brandon Webb‘s 9.17. Santana also has the best K/BB (4.45) in this span, as well as the highest LOB% at 78.7%.
It has been reiterated recently that instead of using current seasonal statistics to evaluate players it would be much more accurate to use a rolling projection. While these calendar statistics do not necessarily weight the past any differently they do allow us to see which players have been good enough recently so as to trounce atypical poor early performance.
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