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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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Michael Siani

Michael Siani

OF·BAL
Compare
Compare
PA
334
H
68
HR
2
AVG
.228
xwOBA
.246
PPG
0.90
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202611.000.000.000.000.2920.0%0.0%0.0%0000.00—
20251219.235
2024 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
0
.246
xBA
2
.210
.316
.235
.000
.313
36.8%
10.5%
26.3%
0
1
1
0.08
—
2024113334.228.286.285.057.24627.5%6.3%21.2%2201020.90—
202366.000.167.000.000.27316.7%16.7%0.0%0020.33—
20221124.167.167.167.000.15729.2%0.0%29.2%0120.18—
xSLG
0
.278
Quality of Contact
Avg EV
0
79.5
Median EV
1
86.5
90th % EV
4
100.2
Barrel %
3
2.3
Hard-Hit %
1
22.5
Sweet-Spot %
23
33.5
Bat Speed
Avg
7
66.2
Median
13
68.4
90th %
13
73.8
Plate Discipline
Chase %
44
28.6
Whiff %
25
26.6
K %
11
27.5
BB %
15
6.3
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+
100
≈ 50th pctl
Chase cost
-20.4r
210 swings @ bad pitch
Passive cost
-11.8r
215 takes @ hittable pitch
Swing rate
48.1%
1,277 pitches seen
Runs per 100
-2.53
lg avg -2.53
Count
View
4+43%7+10%10+11%9+14%751+46%13+43%35-9%43+9%45+20%20+17%18+13%8+48%21-2%47-37%73-36%86-19%54+57%21+17%12+36%22-9%35-42%55-22%58-19%53+38%245+8%12+38%24+20%25+23%30+43%14+29%71553+0%6CATCHER'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