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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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Brent Rooker

Brent Rooker

OF·ATH
Compare
Compare
PA
526
H
114
HR
30
AVG
.246
xwOBA
.343
PPG
1.73
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202648203.200.284.389.189.31632.0%9.4%22.6%102771.60—
2025166699.262
2023 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
56
.343
xBA
14
.233
.336
.479
.217
.354
22.2%
9.3%
12.9%
30
6
426
2.57
—
2024148615.293.367.561.268.38628.8%9.6%19.2%39114062.74—
2023144526.246.331.488.242.34332.7%9.3%23.4%3042491.73—
20222236.125.222.156.031.26130.6%8.3%22.3%0150.23—
202166214.200.290.395.195.33932.7%7.0%25.7%90590.89—
2020721.316.381.579.263.39323.8%0.0%23.8%10172.43—
xSLG
74
.479
Quality of Contact
Avg EV
81
91.6
Median EV
84
94.8
90th % EV
70
106.6
Barrel %
93
15.6
Hard-Hit %
86
49.5
Sweet-Spot %
81
38.6
Bat Speed
Avg
67
71.4
Median
69
73.0
90th %
67
77.8
Plate Discipline
Chase %
54
27.3
Whiff %
0
35.1
K %
0
32.7
BB %
52
9.3
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+
93
≈ 24th pctl
Chase cost
-38.4r
367 swings @ bad pitch
Passive cost
-22.2r
325 takes @ hittable pitch
Swing rate
46.0%
2,168 pitches seen
Runs per 100
-2.79
lg avg -2.54
Count
View
122+11%9432+29%7+26%19+22%18+32%31+22%9+17%62+45%20-15%33-32%47-14%58-39%46+24%17+0%9+37%19+11%74-37%54-38%69-26%50+33%30+0%6+43%35+28%39+3%38+3%36+18%22+18%11+0%6+18%17+7%14+19%16+25%8311CATCHER'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