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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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Starling Marte

Starling Marte

OF·KCR
Compare
Compare
PA
341
H
78
HR
5
AVG
.248
xwOBA
.316
PPG
1.79
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
20262673.258.319.348.090.32230.1%5.5%24.6%10170.65—
202599329.270
2023 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
18
.316
xBA
56
.259
.340
.410
.140
.319
20.7%
6.7%
14.0%
9
7
163
1.65
—
2024109370.269.329.388.119.34421.9%7.3%14.6%7182131.95—
202389341.248.301.324.076.31620.2%4.7%15.5%5251591.79—
2022126505.292.347.468.176.33719.2%5.1%14.1%16233412.71—
2021125528.309.383.456.147.35018.8%8.1%10.7%12483783.02—
202064250.281.341.430.149.32716.4%4.8%11.6%6111582.47—
2019132588.294.344.501.207.36216.0%4.3%11.7%23254223.20—
2018150608.276.328.458.182.33717.9%5.8%12.1%20353802.53—
201783340.274.334.377.103.32218.5%5.9%12.6%7211882.27—
xSLG
27
.408
Quality of Contact
Avg EV
12
87.3
Median EV
15
90.0
90th % EV
58
105.6
Barrel %
17
5.6
Hard-Hit %
34
39.5
Sweet-Spot %
7
31.0
Bat Speed
Avg
26
68.9
Median
28
70.4
90th %
24
75.0
Plate Discipline
Chase %
9
37.0
Whiff %
32
24.9
K %
53
20.2
BB %
5
4.7
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+
91
≈ 20th pctl
Chase cost
-29.2r
283 swings @ bad pitch
Passive cost
-8.4r
169 takes @ hittable pitch
Swing rate
53.4%
1,321 pitches seen
Runs per 100
-2.85
lg avg -2.54
Count
View
144+25%845+33%6+26%23+11%37+11%38-11%19+38%13+0%7+61%31+0%52-29%59-22%50-25%51+27%26+9%11+54%24+25%44-22%63-13%69-26%31+47%194+50%30+24%25+19%37+14%21+27%1542+40%20+23%13+43%14+50%653CATCHER'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