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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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Coby Mayo

Coby Mayo

1B / 3B·BAL
Compare
Compare
PA
294
H
57
HR
11
AVG
.217
xwOBA
.289
PPG
1.31
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202687298.212.276.436.224.30233.2%7.0%26.2%1521261.45—
202584294.217
2025 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
1
.289
xBA
0
.200
.299
.388
.171
.289
28.6%
9.2%
19.4%
11
3
110
1.31
—
20242046.098.196.098.000.22247.8%8.7%39.1%00-4-0.20—
xSLG
5
.360
Quality of Contact
Avg EV
14
87.3
Median EV
6
89.1
90th % EV
53
105.8
Barrel %
53
10.1
Hard-Hit %
16
35.8
Sweet-Spot %
27
34.6
Bat Speed
Avg
83
72.7
Median
87
74.4
90th %
80
78.7
Plate Discipline
Chase %
44
27.9
Whiff %
15
28.5
K %
6
28.6
BB %
56
9.2
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+
97
≈ 39th pctl
Chase cost
-18.3r
188 swings @ bad pitch
Passive cost
-11.4r
178 takes @ hittable pitch
Swing rate
45.3%
1,129 pitches seen
Runs per 100
-2.63
lg avg -2.53
Count
View
345312+11%9+27%11+8%24+13%23+7%28+45%11+0%8+41%17-5%37-46%46-35%55-15%26+39%33+29%14+40%20+16%49-34%67-29%73-42%62+24%25+14%22+33%21+38%42+17%36+13%45+25%24+20%155+11%9+10%10+16%19+0%6+33%631CATCHER'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