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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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Spencer Horwitz

Spencer Horwitz

1B·PIT
Compare
Compare
PA
382
H
87
HR
12
AVG
.264
xwOBA
.343
PPG
2.09
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202664249.286.388.462.176.32812.9%13.3%-0.4%911582.47—
2025108411.272
2024 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
65
.343
xBA
65
.259
.354
.434
.162
.330
17.8%
10.7%
7.1%
11
0
237
2.19
—
202499382.264.360.432.168.34318.3%11.0%7.3%1202072.09—
20231644.256.341.385.129.29327.3%9.1%18.2%10231.44—
xSLG
53
.438
Quality of Contact
Avg EV
26
88.2
Median EV
15
90.1
90th % EV
14
102.0
Barrel %
43
8.0
Hard-Hit %
19
36.6
Sweet-Spot %
82
39.3
Bat Speed
Avg
17
67.9
Median
15
68.8
90th %
19
74.5
Plate Discipline
Chase %
65
25.7
Whiff %
80
17.0
K %
65
18.3
BB %
82
11.0
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+
101
≈ 56th pctl
Chase cost
-25.9r
254 swings @ bad pitch
Passive cost
-13.6r
228 takes @ hittable pitch
Swing rate
46.0%
1,593 pitches seen
Runs per 100
-2.48
lg avg -2.53
Count
View
5+10%10+0%15+20%10+9%1143+30%10+21%24+42%31+18%38+13%30+15%20+0%10+39%28+20%46-32%72-25%73-19%58+31%26+6%16+17%23+17%42-43%47-25%52-38%37+31%32+33%9+8%12+31%13-3%29+24%29+40%20+18%115143254CATCHER'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