SPECULATOR: Pitch mix changes, 2020

While it's still too early—yes, even in a 60-game season—to draw meaningful conclusions from stats in a vacuum, the advent of pitch-tracking data has made it easier than ever to detect tangible changes in a pitcher's approach. Whether it's learning a new pitch, fading a bad fastball, or simply throwing your most effective pitches more often, pitchers are constantly mixing things up to break tendencies and stay one step ahead of hitters.

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  For more information about the terms used in this article, see our Glossary Primer.