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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. 1B peers

Rank #20 of 40

Each bar is one 1B, ordered left-to-right by Value (blended). Center dot is VORP; whiskers span V⁻ → V⁺. This player is highlighted in blue.

-500+50+100Andrew Vaughn
Andrew Vaughn · #20
V⁻ -31VORP 0V⁺ 26
Andrew Vaughn

Andrew Vaughn

1B·MIL
Compare
Compare
PA
97
H
32
HR
2
AVG
.360
xwOBA
.340
PPG
2.79
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
Proj79342.255.317.425.171.33018.9%7.5%11.4%1201812.29—
20262897.360
2026 MLB Percentiles

Hitting Profile

97 PA — below qualified cutoff. Percentiles vs. qualified pool (faded).

Expected Results
xwOBA
54
.340
xBA
88
.290
.412
.551
.191
.340
10.3%
6.2%
4.1%
2
0
78
2.79
—
2025125447.254.311.411.157.35017.9%6.9%11.0%1402502.00—
2024153620.245.299.401.156.32021.3%6.1%15.2%1922721.78—
2023153616.257.314.429.172.31820.9%5.8%15.1%2103162.07—
2022141555.271.324.429.158.32217.3%5.6%11.7%1703082.18—
2021137469.235.313.396.161.33321.5%8.7%12.8%1512271.66—
xSLG
49
.415
Quality of Contact
Avg EV
46
89.6
Median EV
47
92.3
90th % EV
0
92.6
Barrel %
13
3.8
Hard-Hit %
54
43.6
Sweet-Spot %
59
37.2
Bat Speed
Avg
11
67.0
Median
22
69.5
90th %
93
81.5
Plate Discipline
Chase %
77
25.1
Whiff %
74
17.2
K %
95
10.3
BB %
13
6.2
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+
71
≈ 1th pctl
Chase cost
-0.9r
11 swings @ bad pitch
Passive cost
-1.2r
17 takes @ hittable pitch
Swing rate
41.1%
56 pitches seen
Runs per 100
-3.75
lg avg -2.53
Count
View
112111234-100%632335311222111CATCHER'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: 56