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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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Position cohort

Hitting value vs. SS peers

Rank #1 of 64

Each bar is one SS, ordered left-to-right by Value (blended). Center dot is VORP; whiskers span V⁻ → V⁺. This player is highlighted in blue.

-200-1000+100Bobby Witt Jr.
Bobby Witt Jr. · #1
V⁻ 45VORP 116V⁺ 143
Bobby Witt Jr.

Bobby Witt Jr.

SS·KCR
Compare
Compare
PA
335
H
86
HR
9
AVG
.290
xwOBA
.393
PPG
2.79
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
Proj101436.295.355.529.234.38516.8%7.9%8.8%19233213.17—
202675335.290
2026 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
92
.393
xBA
97
.303
xSLG
.366
.451
.161
.393
17.0%
10.4%
6.6%
9
28
209
2.79
—
2025162687.295.354.501.206.37018.2%7.1%11.1%23384792.96—
2024172710.331.393.587.256.41314.9%8.0%6.9%32326113.55—
2023162694.276.323.495.219.36817.4%5.8%11.6%30494913.03—
2022161634.253.296.427.174.32021.3%4.7%16.6%20323882.41—
84
.504
Quality of Contact
Avg EV
90
93.2
Median EV
90
97.1
90th % EV
82
107.9
Barrel %
68
11.6
Hard-Hit %
88
52.1
Sweet-Spot %
89
40.9
Bat Speed
Avg
65
71.7
Median
58
72.8
90th %
78
78.7
Plate Discipline
Chase %
28
32.6
Whiff %
53
20.8
K %
68
17.0
BB %
59
10.4
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+
100
≈ 49th pctl
Chase cost
-6.6r
69 swings @ bad pitch
Passive cost
-2.7r
52 takes @ hittable pitch
Swing rate
49.5%
366 pitches seen
Runs per 100
-2.54
lg avg -2.53
Count
View
112123-10%10+43%7+33%61+50%8-20%10-33%15-20%15-6%18+82%114+57%7+25%24-44%27-39%31-21%14+10%105+44%9+33%18+15%13+15%13+0%11+38%8445+0%7311CATCHER'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: 366