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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
754
H
185
HR
29
AVG
.276
xwOBA
.336
PPG
3.04
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202666259.224.278.359.135.32519.3%6.6%12.7%851081.64—
2025131535.229
2023 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
47
.336
xBA
53
.258
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—
42
.432
Quality of Contact
Avg EV
29
88.4
Median EV
22
91.0
90th % EV
11
102.1
Barrel %
24
6.5
Hard-Hit %
21
37.0
Sweet-Spot %
82
38.8
Bat Speed
Avg
12
67.0
Median
12
68.3
90th %
10
73.1
Plate Discipline
Chase %
85
21.6
Whiff %
82
16.8
K %
89
14.6
BB %
53
9.5
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+
123
≈ 99th pctl
Chase cost
-37.5r
429 swings @ bad pitch
Passive cost
-15.1r
329 takes @ hittable pitch
Swing rate
47.5%
3,117 pitches seen
Runs per 100
-1.69
lg avg -2.54
Count
View
23+14%75114+33%6+13%24+31%16+38%8+33%9+23%31-10%42-23%57-19%42+0%34+43%21+0%6+17%29+2%49-29%69-18%83-6%51+50%22+0%10+8%24+30%43+13%64+23%48+20%30+29%143+0%12+23%22+17%12+25%8-11%91CATCHER'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