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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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Zack Gelof

Zack Gelof

2B / 3B / OF·ATH
Compare
Compare
PA
548
H
105
HR
17
AVG
.211
xwOBA
.274
PPG
1.19
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202649191.266.312.458.192.28626.2%5.8%20.4%85971.98—
202527101.174
2024 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
1
.274
xBA
0
.196
xSLG
.232
.272
.098
.219
45.5%
6.9%
38.6%
2
1
6
0.22
—
2024140548.211.272.361.150.27434.3%6.9%27.4%17261671.19—
202370300.267.338.504.237.33527.3%8.7%18.6%14141712.44—
5
.354
Quality of Contact
Avg EV
27
88.3
Median EV
22
90.7
90th % EV
35
104.0
Barrel %
48
8.8
Hard-Hit %
24
37.2
Sweet-Spot %
48
35.6
Bat Speed
Avg
38
69.7
Median
44
71.3
90th %
25
75.1
Plate Discipline
Chase %
37
29.6
Whiff %
0
34.6
K %
0
34.3
BB %
23
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+
105
≈ 68th pctl
Chase cost
-35.3r
363 swings @ bad pitch
Passive cost
-13.8r
245 takes @ hittable pitch
Swing rate
51.2%
2,063 pitches seen
Runs per 100
-2.38
lg avg -2.53
Count
View
422+33%9+0%9314+20%15+18%28+29%17+48%29+25%165+43%28-6%51-25%68-9%66+5%38+28%25+23%13+52%23-4%50-29%58-20%69-26%46+57%14+55%11+29%24+52%31+29%28+3%35+12%17+29%75+25%12+13%15+14%14+0%1321CATCHER'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