More evidence of baseball evolution?
Okay, so here’s another crazy one. Look! See it? It’s another Gould-defying trend in a baseball-performance standard deviations! I suppose it makes sense to start with what it’s the standard deviation of. Basically, it’s a regression-derived fielding-independent pitching (FIP) metric. FIP is an index comprising a pitcher’s strike out rate, home-run allowed rate, and hit-by-pitch […]