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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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Seth Brown

Seth Brown

H·NYY
Compare
Compare
PA
379
H
76
HR
14
AVG
.221
xwOBA
.325
PPG
1.41
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
20253776.185.303.262.077.29630.3%11.8%18.5%11170.46—
2024124402.230
2023 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
33
.325
xBA
13
.232
.282
.377
.147
.298
27.9%
6.2%
21.7%
14
4
130
1.05
—
2023116379.221.287.404.183.32526.6%7.9%18.7%1431641.41—
2022159556.230.305.443.213.34526.3%9.2%17.1%25112711.70—
2021110308.213.275.479.266.32028.9%7.5%21.4%2041761.60—
202065.000.000.000.000.24740.0%0.0%40.0%00-3-0.50—
20192783.293.361.453.160.31127.7%8.4%19.3%01441.63—
xSLG
57
.454
Quality of Contact
Avg EV
61
90.2
Median EV
59
92.9
90th % EV
58
105.6
Barrel %
78
12.2
Hard-Hit %
72
46.5
Sweet-Spot %
26
33.9
Bat Speed
Avg
78
72.3
Median
69
73.0
90th %
67
77.8
Plate Discipline
Chase %
28
31.3
Whiff %
11
29.6
K %
15
26.6
BB %
36
7.9
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+
93
≈ 23th pctl
Chase cost
-31.1r
297 swings @ bad pitch
Passive cost
-10.0r
174 takes @ hittable pitch
Swing rate
50.3%
1,468 pitches seen
Runs per 100
-2.80
lg avg -2.54
Count
View
55+11%9+43%7+0%10+0%61+38%16+44%25+32%53+23%39+45%33+44%16+10%10+50%26+25%44-31%64-32%63+8%36+53%19+67%6+36%36+0%54-39%64-24%45-15%47+64%143+31%13+26%27+17%29+11%18+31%16+17%622+17%6+13%8+11%932CATCHER'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