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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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Marcus Semien

Marcus Semien

2B·NYM
Compare
Compare
PA
535
H
108
HR
15
AVG
.229
xwOBA
.318
PPG
2.10
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202666259.224.278.359.135.32519.3%6.6%12.7%851081.64—
2025131535.229
2025 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
26
.318
xBA
28
.241
xSLG
.310
.363
.134
.318
17.4%
9.3%
8.1%
15
11
275
2.10
—
2024164718.237.308.391.154.32214.6%8.9%5.7%2384142.52—
2023186754.276.350.477.201.33614.6%9.5%5.1%29145653.04—
2022173726.247.307.428.181.31116.5%7.3%9.2%26254452.57—
2021171726.265.335.537.272.33720.1%9.1%11.0%45155213.05—
202062236.223.305.374.151.28721.2%10.6%10.6%741382.23—
2019166747.285.370.522.237.36513.7%11.6%2.1%33105623.39—
2018165704.254.321.387.133.30618.6%8.7%9.9%15143632.20—
201794386.249.327.398.149.31322.0%9.8%12.2%10132142.28—
23
.402
Quality of Contact
Avg EV
21
88.3
Median EV
19
90.7
90th % EV
13
102.4
Barrel %
20
6.7
Hard-Hit %
15
35.0
Sweet-Spot %
55
36.5
Bat Speed
Avg
7
66.4
Median
5
67.7
90th %
5
72.7
Plate Discipline
Chase %
75
23.5
Whiff %
61
20.7
K %
72
17.4
BB %
57
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+
114
≈ 92th pctl
Chase cost
-33.3r
317 swings @ bad pitch
Passive cost
-9.3r
206 takes @ hittable pitch
Swing rate
49.1%
2,110 pitches seen
Runs per 100
-2.02
lg avg -2.53
Count
View
444+0%6442+15%13+13%15+0%28+6%18+36%11+30%103+29%17-10%41-19%42-7%57-2%48+41%22+0%6+29%21+4%53-21%76-11%74-26%53+45%22+10%10+20%25+23%43+30%50+20%41+17%24+7%145+17%12+18%11+12%17+18%1741CATCHER'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