Flanker the ClankerFlanker
Rankings
Leaderboards
  • 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
StreamersSign inConnect league →
Fernando Tatis Jr.

Fernando Tatis Jr.

2B / OF·SDP
Compare
Compare
PA
438
H
110
HR
21
AVG
.276
xwOBA
.391
PPG
2.79
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202667291.279.350.345.066.35120.6%8.9%11.7%2161211.81—
2025163692.267
2024 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
93
.391
xBA
92
.288
.368
.445
.178
.375
18.6%
12.9%
5.7%
25
35
450
2.76
—
2024110438.276.341.492.216.39121.9%7.3%14.6%21113072.79—
2023146635.257.323.449.192.36422.2%8.3%13.9%25293842.63—
2021138547.282.366.610.328.41228.0%11.3%16.7%42254383.17—
202067258.276.366.569.293.42323.6%10.5%13.1%17122343.49—
201990372.317.382.590.273.34829.6%8.1%21.5%22182592.88—
xSLG
91
.541
Quality of Contact
Avg EV
94
93.5
Median EV
94
96.5
90th % EV
94
109.5
Barrel %
90
14.5
Hard-Hit %
98
55.8
Sweet-Spot %
35
34.7
Bat Speed
Avg
77
72.2
Median
82
74.2
90th %
81
79.1
Plate Discipline
Chase %
44
28.2
Whiff %
31
25.6
K %
43
21.9
BB %
34
7.3
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+
102
≈ 57th pctl
Chase cost
-26.5r
280 swings @ bad pitch
Passive cost
-12.1r
185 takes @ hittable pitch
Swing rate
51.1%
1,563 pitches seen
Runs per 100
-2.47
lg avg -2.53
Count
View
1+0%835+0%743+17%6-8%25+22%23+21%33-7%29+21%24+0%11+29%14-4%27-8%52-15%72-29%59+23%30+0%10+60%15+18%57-22%59-10%61-22%46+23%26+27%15+21%14+46%37+43%46+21%28+19%21+60%102+18%11+18%11+50%65441CATCHER'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