Numbers were calculated with data from 2021 to 2024 for players with a minimum of 200 PA. These tables are only for comparison on hitters from 2021 to 2024. Some adjustments were made when numbers were impossible to accomplish (-1.0 BB%). Many of the examples used were rounded to the applicable numbers. Data as of 8/17/2024. This is only relevant for hitters. Outliers are listed below the chart. Why are there so many outliers? That’s just how good Judge and Soto have been.
Overall Hitting Production
Luck is wOBA minus xwOBA.
xwOBA and wOBA should have the same scale.
Value
The WAR scale is not linear so it was adjusted slightly. This scale almost exactly matches the Fangraphs ‘Future Value’ scale from 2016. For example, Carson Williams (Rays SS) is a 60 FV prospect. This means he is expected to produce 3.5 WAR per season.
Basic Plate Discipline
BB% and Chase% have a high correlation.
K% and Whiff% have a high correlation.
Chase% and Whiff% have more “events” so they are able to be trusted faster than BB% and K%.
Advanced Plate Discipline
Swing% is heavily correlated with Chase%. Swing% also correlates with BB% fairly well.
When Zone% is low players will outperform their expected BB% (using Chase%). Zone% has a moderate correlation with next year’s Zone% and therefore only outliers should be noted.
oCon% is highly correlated with K% (and even more with Whiff%).
zCon% is highly correlated with K% (and even more with Whiff%).
When zSwing% is high players will outperform their expected K% (using Whiff%).
oSwing% is Chase% (see above).
Speed
Sprint is feet per second run in a player’s fastest one-second window.
H to 1B shouldn’t be considered too much because it is very biased towards LHB.
Miscellaneous
80 grade Age will probably never happen again. I also want to note that the Age scale has gotten half a year lower in just the last 2 years.
WPA and Clutch are narrative statistics. They are not predictive.
Old School Stats
These are outdated. There are better metrics to use.
Good Old School Stats
ISO is an amazing measure of power.
Babip is good but now with xwOBA it has become somewhat outdated.
Statcast
HH% or HardHit% is the percentage of hits with an exit velocity of 95 mph or higher. It is a good estimator of Raw Power.
Pace isn’t useful but it is interesting to know who the slowpokes are.
Spray Angle
There is a very good argument that the Pull% grades should be flipped.
Quality of Contact / Launch Angle
PU% is Pop Up%.
Other (?) Plate Discipline
First Strike% has a moderate correlation with BB%.
Meatball% and Meatball Swing% aren’t correlated with anything and aren’t predictive.
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