In his latest start against the Pirates, his fourth consecutive double-digit strikeout performance in a row, it returned a 0.85 PLA and 53.6% CSW (28 pitches).
The interesting thing about Snell’s recent dominance is that at least part of it has been fueled by his changeup.
But that’s the great game of fantasy At what point do we know whether something is real or not? Do you remember when he had a 5.48 ERA and 1.78 WHIP through his first five starts? If anything, it’s one of the many examples that illustrate how quickly we can end up chasing our tails by overreacting to small samples. (Note: All PLV data is current through Thursday, 6/28).īlake Snell has been a man on a mission Over his last six starts, he has a 0.73 ERA and 0.73 WHIP with 60 Ks over 37 IP. Pitch type PLA: Value of a given pitch type (ERA scale), using total predicted run values and an IP proxy for that pitch type (pitch usage % x Total IP). Pitch Level Average (PLA): Value of all pitches (ERA Scale), using IP and the total predicted run value of pitches thrown. Pitch Level Value (PLV): Estimated value of all pitches, based on the predicted outcome of those pitches (0-10, 5 is league average). Hitter Performance (HP): Runs added per 100 pitches seen by the hitter (including swing/take decisions), after accounting for pitch quality. Power: Modeled number of extra bases (xISO on contact) above a pitch’s expectation, for each BBE.
Strikezone Judgement: The “correctness” of a hitter’s swings and takes, using the likelihood of a pitch being a called strike (for swings) or a ball/HBP (for takes).ĭecision Value (DV): Modeled value (runs per 100 pitches) of a hitter’s decision to swing or take, minus the modeled value of the alternative.Ĭontact Ability: A hitter’s ability to make contact (foul strike or BIP), above the contact expectation for each pitch. Swing Aggression: How much more often a hitter swings at pitches, given the swing likelihoods of the pitches they face. If you’re new to it, you can read Nick Pollack’s primer on PLV here. This past offseason, Pitcher List introduced Pitch Level Value, or PLV, a new metric that assesses player performance by grading outcomes on the single pitch level.
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