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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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Fernando Tatis Jr.

Fernando Tatis Jr.

2B / OF·SDP
Compare
Compare
PA
692
H
159
HR
25
AVG
.267
xwOBA
.375
PPG
2.76
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202665275.269.344.322.053.35021.5%9.5%12.0%1151101.69—
2025163692.267
2025 MLB Percentiles

Hitting Profile

Expected Results
xwOBA
90
.375
xBA
66
.263
xSLG
.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—
74
.478
Quality of Contact
Avg EV
91
93.1
Median EV
89
95.6
90th % EV
88
108.6
Barrel %
62
10.9
Hard-Hit %
91
51.8
Sweet-Spot %
1
30.2
Bat Speed
Avg
72
71.8
Median
77
73.8
90th %
72
78.5
Plate Discipline
Chase %
69
24.3
Whiff %
30
25.1
K %
66
18.6
BB %
87
12.9
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+
109
≈ 81th pctl
Chase cost
-39.1r
402 swings @ bad pitch
Passive cost
-20.0r
325 takes @ hittable pitch
Swing rate
45.4%
2,682 pitches seen
Runs per 100
-2.20
lg avg -2.53
Count
View
115+0%65334+0%24-5%22+12%24-5%22+23%13+19%16+25%20-9%32-31%49-18%62-23%48+13%39+23%13+21%24+11%46-30%61-17%60-20%45+6%18+0%8+21%24+37%41+19%43+20%35+26%19+24%174+8%12+8%12+21%14+33%6521CATCHER'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