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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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Position cohort

Hitting value vs. OF peers

Rank #181 of 234

Each bar is one OF, ordered left-to-right by Value (blended). Center dot is VORP; whiskers span V⁻ → V⁺. This player is highlighted in blue.

-500+50+100+150+200CJ Kayfus
CJ Kayfus · #60
V⁻ —VORP -4V⁺ —
CJ Kayfus

CJ Kayfus

1B / OF·CLE
Compare
Compare
PA
25
H
4
HR
1
AVG
.182
xwOBA
.303
PPG
1.13
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
Proj1879.236.310.390.154.31427.1%8.8%18.4%21331.81—
2026825.182
2026 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
18
.303
xBA
0
.169
.280
.364
.182
.303
32.0%
8.0%
24.0%
1
0
9
1.13
—
202545138.220.294.415.195.32327.5%8.0%19.5%44671.49—
xSLG
53
.425
Quality of Contact
Avg EV
90
92.8
Median EV
59
93.3
90th % EV
30
103.3
Barrel %
98
21.4
Hard-Hit %
84
50.0
Sweet-Spot %
0
21.4
Bat Speed
Avg
12
67.2
Median
29
70.2
90th %
33
75.3
Plate Discipline
Chase %
20
34.5
Whiff %
1
36.2
K %
6
32.0
BB %
31
8.0
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+
108
≈ 77th pctl
Chase cost
-2.6r
29 swings @ bad pitch
Passive cost
-0.7r
16 takes @ hittable pitch
Swing rate
53.3%
150 pitches seen
Runs per 100
-2.22
lg avg -2.53
Count
View
22125-29%7+13%82232+17%6-8%12-7%15+11%9215+14%75-18%11+0%72221213111CATCHER'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: 150