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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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Wenceel Pérez

Wenceel Pérez

OF·DET
Compare
Compare
PA
383
H
84
HR
13
AVG
.244
xwOBA
.310
PPG
1.79
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202649165.178.242.336.158.27216.4%7.9%8.5%63751.53—
2025106383.244
2025 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
18
.310
xBA
34
.243
.312
.430
.186
.310
22.7%
8.1%
14.6%
13
8
190
1.79
—
2024118425.242.301.383.141.29921.6%7.5%14.1%991911.62—
xSLG
23
.402
Quality of Contact
Avg EV
56
90.3
Median EV
36
92.5
90th % EV
20
103.5
Barrel %
39
8.8
Hard-Hit %
26
40.1
Sweet-Spot %
80
38.9
Bat Speed
Avg
33
69.3
Median
22
70.2
90th %
20
74.5
Plate Discipline
Chase %
18
32.7
Whiff %
41
23.1
K %
37
22.7
BB %
43
8.1
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+
94
≈ 29th pctl
Chase cost
-30.6r
306 swings @ bad pitch
Passive cost
-12.4r
221 takes @ hittable pitch
Swing rate
49.2%
1,576 pitches seen
Runs per 100
-2.73
lg avg -2.53
Count
View
24+33%12+11%9+0%1043+33%6+28%18+14%29+28%39+21%19+14%222+40%30-19%48-41%61-29%63+5%40+53%30+11%9+41%27-5%59-26%47-27%66-11%53+70%235+45%11+29%28+27%33+17%30+6%18+67%63+17%6+17%6+22%94521CATCHER'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