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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
447
H
103
HR
14
AVG
.254
xwOBA
.350
PPG
2.00
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
20262897.360.412.551.191.34010.3%6.2%4.1%20782.79—
2025125447.254
2025 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
72
.350
xBA
93
.283
.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—
xSLG
85
.497
Quality of Contact
Avg EV
77
91.4
Median EV
74
94.2
90th % EV
50
105.6
Barrel %
69
12.0
Hard-Hit %
75
47.7
Sweet-Spot %
90
40.2
Bat Speed
Avg
28
69.0
Median
22
70.2
90th %
27
75.2
Plate Discipline
Chase %
42
28.4
Whiff %
64
20.4
K %
69
17.9
BB %
28
6.9
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
≈ 51th pctl
Chase cost
-34.0r
307 swings @ bad pitch
Passive cost
-10.3r
241 takes @ hittable pitch
Swing rate
46.7%
1,761 pitches seen
Runs per 100
-2.52
lg avg -2.53
Count
View
45+11%9+14%73325+25%16+18%17+24%21+35%20+36%143+57%23+10%39-28%58-18%65-16%43+50%18+22%9+29%28-3%62-31%74-32%77-24%49+32%25+0%8+23%13+32%37+6%34+0%35+7%2853+0%11+11%9+30%10+25%8+0%732CATCHER'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