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  • Projections
    In-house Bayesian model · career prior + aging × stuff/discipline signals
  • Plate Discipline
    Decision+ · chase / passive cost · K% · BB%
  • Command & Stuff
    Pitching+ · Stuff+ · Command+ · meatball rate
  • Pitcher Stuff Lab
    In-zone whiff · xwOBAcon · tunnel · deception · count predictability
  • Stuff Model (diag)
    From-scratch XGBoost training runs, feature importance, pitcher grades
  • Expected Points
    Luck-neutral fantasy points · xSLG / xwOBA · ΔPts
  • Hitter Frontier
    Power × discipline tradeoff · Pareto-frontier hitters
  • Pitcher Frontier
    Process × contact-suppression · pound the zone vs limit damage
  • Hitter Vulnerabilities
    Biggest pitch-trait strengths & weaknesses · vs league or vs own
  • AAA Hitters
    Triple-A bats · xwOBA · contact quality · discipline · frontier
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Ha-Seong Kim

Ha-Seong Kim

SS·ATL
Compare
Compare
PA
626
H
140
HR
17
AVG
.260
xwOBA
.314
PPG
2.30
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
20261557.096.175.096.000.21924.6%8.8%15.8%0140.27—
202548191.234
2023 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
16
.314
xBA
22
.242
xSLG
.307
.345
.111
.297
20.4%
8.4%
12.0%
5
6
80
1.67
—
2024123470.233.333.370.137.32316.4%12.3%4.1%11222632.14—
2023153626.260.354.398.138.31419.8%12.0%7.8%17413522.30—
2022172584.250.326.382.132.31517.1%8.7%8.4%11153301.92—
2021122300.201.271.349.148.26623.7%7.3%16.4%851170.96—
3
.361
Quality of Contact
Avg EV
3
85.3
Median EV
3
88.0
90th % EV
9
101.7
Barrel %
8
4.2
Hard-Hit %
3
26.7
Sweet-Spot %
70
37.7
Bat Speed
Avg
4
65.3
Median
6
67.2
90th %
10
73.1
Plate Discipline
Chase %
91
20.4
Whiff %
87
16.0
K %
54
19.8
BB %
84
12.0
Swing Decisions

Plate Discipline · Decision+

Expected-run-value of every swing-or-take decision, against a league-average batter’s optimum. 100 = avg · 110 = 1 SD better.

Decision+
109
≈ 82th pctl
Chase cost
-32.4r
311 swings @ bad pitch
Passive cost
-27.7r
575 takes @ hittable pitch
Swing rate
38.7%
2,720 pitches seen
Runs per 100
-2.21
lg avg -2.54
Count
View
1+43%7+17%6+13%8215+24%17+15%20+28%32+57%21+17%12+0%7+43%14-12%42-26%62-26%62-35%60+17%29+0%8+41%27-7%43-52%67-43%80-42%53+20%255+18%28+15%26-16%43-21%28+12%26+0%92+0%13+10%10+31%13+0%10+0%821CATCHER'S VIEW
Judgment — swing% vs optimal
−35%−15%0+15%+35%
  • Red cells — swings more than an optimal batter would here (chasing).
  • Blue cells — swings less than optimal (too passive).
  • Number in cell: swing%-delta vs optimal. Top-right: pitches seen.
Total pitches shown: 1,000