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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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Andrew Vaughn

Andrew Vaughn

1B·MIL
Compare
Compare
PA
620
H
140
HR
19
AVG
.245
xwOBA
.320
PPG
1.78
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202630105.362.429.543.181.3489.5%8.6%0.9%20842.80—
2025125447.254
2024 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
26
.320
xBA
42
.246
xSLG
.311
.411
.157
.350
17.9%
6.9%
11.0%
14
0
250
2.00
—
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—
56
.449
Quality of Contact
Avg EV
63
90.3
Median EV
42
91.9
90th % EV
53
105.2
Barrel %
53
9.3
Hard-Hit %
56
43.3
Sweet-Spot %
33
34.5
Bat Speed
Avg
32
69.5
Median
28
70.5
90th %
28
75.2
Plate Discipline
Chase %
17
33.0
Whiff %
65
20.1
K %
44
21.3
BB %
12
6.1
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+
88
≈ 12th pctl
Chase cost
-52.2r
482 swings @ bad pitch
Passive cost
-15.9r
325 takes @ hittable pitch
Swing rate
49.4%
2,352 pitches seen
Runs per 100
-2.90
lg avg -2.53
Count
View
1353+0%62+71%7+33%12+33%18+39%31+62%21+27%15+0%6+61%18+22%37-31%61-26%54-27%60+52%27+21%14+70%20-6%54-27%79-36%58-18%38+56%25+33%9+32%25+36%44+22%41+4%27+36%22+27%112+20%10+44%9+13%16+14%744CATCHER'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