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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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Geraldo Perdomo

Geraldo Perdomo

SS·ARI
Compare
Compare
PA
723
H
173
HR
20
AVG
.288
xwOBA
.360
PPG
3.22
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202663258.237.341.349.112.32612.0%12.8%-0.8%381412.24—
2025165723.288
2025 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
80
.360
xBA
90
.282
xSLG
.393
.460
.172
.360
11.5%
13.0%
-1.5%
20
28
531
3.22
—
2024101388.273.348.374.101.28814.9%9.3%5.6%392172.15—
2023163495.246.356.359.113.27817.4%12.9%4.5%6213051.87—
2022155501.194.285.262.068.27520.6%10.0%10.6%591911.23—
20211137.258.378.419.161.30316.2%16.2%0.0%00191.73—
46
.430
Quality of Contact
Avg EV
7
85.8
Median EV
9
89.7
90th % EV
9
101.7
Barrel %
17
6.2
Hard-Hit %
9
31.9
Sweet-Spot %
63
37.1
Bat Speed
Avg
5
66.1
Median
6
67.8
90th %
7
72.9
Plate Discipline
Chase %
95
18.7
Whiff %
96
10.5
K %
93
11.5
BB %
89
13.0
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+
112
≈ 88th pctl
Chase cost
-33.6r
334 swings @ bad pitch
Passive cost
-29.7r
582 takes @ hittable pitch
Swing rate
39.5%
3,017 pitches seen
Runs per 100
-2.10
lg avg -2.53
Count
View
14+14%7+14%7+0%10+0%103+14%7+35%20-8%25+3%29+14%29+12%174+55%11+5%38-49%63-46%67-33%54+33%40+8%13+20%30-15%41-30%57-24%66-31%61+24%29+0%13+22%18+6%18+19%26-4%26-10%20+18%17414+11%9+33%6+0%612CATCHER'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