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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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Matt Thaiss

Matt Thaiss

C·BOS
Compare
Compare
PA
307
H
56
HR
9
AVG
.214
xwOBA
.333
PPG
1.18
Career Seasons
YrGPAAVGOBPSLGISOxwOBAK%BB%K-BB%HRSBPtsPPGxPPG
202562191.217.349.287.070.29524.1%15.2%8.9%11681.10—
202462187.203
2023 MLB Percentiles

Hitting Profile

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

Expected Results
xwOBA
45
.333
xBA
7
.227
.323
.297
.094
.296
31.0%
15.0%
16.0%
2
3
54
0.87
—
202398307.214.322.340.126.33327.0%11.7%15.3%921161.18—
20223281.217.325.319.102.29029.6%13.6%16.0%21361.13—
202148.143.250.143.000.29912.5%12.5%0.0%0010.25—
2020925.143.280.286.143.23732.0%16.0%16.0%1050.56—
201957165.209.291.419.210.28431.5%10.3%21.2%80741.30—
xSLG
28
.412
Quality of Contact
Avg EV
25
88.3
Median EV
40
91.7
90th % EV
46
104.9
Barrel %
62
10.4
Hard-Hit %
42
40.7
Sweet-Spot %
65
37.4
Bat Speed
Avg
66
71.3
Median
72
73.2
90th %
63
77.2
Plate Discipline
Chase %
96
18.7
Whiff %
8
30.1
K %
14
27.0
BB %
83
11.7
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+
123
≈ 99th pctl
Chase cost
-15.1r
171 swings @ bad pitch
Passive cost
-6.4r
131 takes @ hittable pitch
Swing rate
46.1%
1,274 pitches seen
Runs per 100
-1.69
lg avg -2.54
Count
View
+0%64+0%10+0%11+0%15+0%94+0%8+9%23+5%40-10%51+6%36+5%20+0%11+32%25+14%42-24%63-14%59-12%69+33%40+0%12+30%23+14%49-25%60-6%54-8%39+40%20+13%8+6%17+14%14-18%17+35%23+82%11+29%7143+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