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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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Iván Herrera

Iván Herrera

C·STL
Compare
Compare
PA
452
H
110
HR
19
AVG
.284
xwOBA
.373
PPG
2.55
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202664286.258.384.407.149.36116.8%12.2%4.6%721732.70—
2025110452.284
2025 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
88
.373
xBA
84
.276
.377
.464
.180
.373
18.6%
9.5%
9.1%
19
8
281
2.55
—
202475260.300.374.426.126.37220.4%9.6%10.8%551522.03—
20231244.297.409.351.054.34225.0%11.4%13.6%00191.58—
20221222.111.200.111.000.16736.4%9.1%27.3%00-2-0.17—
xSLG
82
.491
Quality of Contact
Avg EV
75
91.2
Median EV
77
94.4
90th % EV
80
107.7
Barrel %
63
11.0
Hard-Hit %
75
47.7
Sweet-Spot %
26
34.4
Bat Speed
Avg
80
72.5
Median
80
73.9
90th %
88
79.6
Plate Discipline
Chase %
65
25.1
Whiff %
60
21.4
K %
66
18.6
BB %
62
9.5
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+
104
≈ 65th pctl
Chase cost
-29.9r
283 swings @ bad pitch
Passive cost
-13.8r
269 takes @ hittable pitch
Swing rate
45.0%
1,835 pitches seen
Runs per 100
-2.38
lg avg -2.53
Count
View
2341142+0%7-10%10-19%21+10%21+17%24+11%9+0%8+17%6-21%28-36%50-34%65-17%46+26%35+0%13+54%24+4%46-21%70-32%65-18%51+23%26+13%8+33%18+38%34+31%49+21%52+7%28+8%13+0%7+31%13+13%16+24%17+9%11541CATCHER'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