Spencer Strider Is Comically Overpowering

I don’t think you understand. You probably think you understand, but you don’t understand. Oh, you know that Spencer Strider is a bolt of lightning, a strikeout pitcher so overpowering that he might as well have been created in a lab. You know that he’s having a good season, surely; he’s locked in a tight race for NL Cy Young with Zac Gallen and Blake Snell. You know that he’s the logical continuation of the high-strikeout ace lineage, Bob Feller or Sandy Koufax or Roger Clemens for a new age. But I doubt you grasp how much of an outlier Strider’s 2023 season is, because I didn’t either until I took a closer look.
We have pitch-by-pitch data for every major league game on our leaderboards starting in 2002. That means we can calculate swinging strike rate, the percentage of pitches that result in a swing and a miss, for all of those years. I’ll tell you right off the bat that the single-season leader in this category is Jacob deGrom in 2020. In fact, four of the top five seasons on the list are from 2020; they’re outliers that were likely aided by the inherent randomness of a shortened schedule, in other words. For a rate statistic, that makes sense; the fewer innings you can throw to qualify, the easier it is to put up a wild number. Read the rest of this entry »






