Mithrandir Metrics
MIL 2026-08-11 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-08-11

William Contreras

MIL · Hitter · bats R · age 29
IN · 5 Negative regression Neutral
MatchupMIL vs SDWalker Buehler
Sample2630.0career MLB AB
PROPS 2 available PERCENTILES 26 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.053, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.068, 14d stable. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.053, 14d error rising. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 13.0
F 13.3
V 11.7
Model 17.6% Market 12.6% Gap +4.6pp
DraftKings 670 tracking Open board
Total Bases 0.5
P 65.8
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 79.5% Market 80.6% Gap +14.8pp
BetMGM -415 tracking Open board
Hits --
Hits · tracking

No production board publishes this player-market cell today.

RBI --
RBI · no production board

No production board publishes this player-market cell today.

Underlying skill · actual percentile with projection tick

Percentile strip

100th = best in MLB
Hitting · percentile strip
Barrel%6.3%
70
Exit velocity90.1
78
Hard-hit%44.0%
74
xBA0.311
37
xSLG0.514
54
xwOBA0.329
75
BB%8.2%
46 -26 vs proj
Bat speed71.2
74
K%14.1%
91 +19 vs proj
Defense · percentile strip
Blocking Runs-1.8 · C
5
Catcher Throwing3.5 · C
100
Framing Runs-4.5 · C
9
Pop Time1.9 · C
65
Baserunning · percentile strip
Base Running Runs-2.1 · C
8
Sprint Speed25.9 · C
15
SB Success Rate33.3% · C
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 68.9%
68
Avoids Bad TakesHPT 20.6%
87
Correct Decisions69.4%
82
SEAGER+ Plate Discipline108
85
Resists Breaking - horizontalwOBA 0.304 · small sample
small sample
Resists Breaking - verticalwOBA 0.286 · thin sample
thin sample
Resists ChangeupwOBA 0.297
Small sample
Resists Cutters + splitterswOBA 0.348 · thin sample
thin sample
Resists FastballwOBA 0.339
Small sample
Resists SinkerwOBA 0.376
Small sample

Context

projection · regression · matchup
Projected range0.294 to 0.387
RegressionNegative · -0.025
Opposing pitcherWalker Buehler
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-02
Palantir 18081 props Brier 0.118 ECE 0.008 14d stable
Fangorn 18081 props Brier 0.118 ECE 0.009 14d stable
Valinor 12423 props Brier 0.112 ECE 0.004 14d stable
Palantir 1591 props Brier 0.247 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1087 props Brier 0.248 ECE 0.016 14d stable
Palantir 8613 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 683 props Brier 0.163 ECE 0.031 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 900 props Brier 0.256 ECE 0.059 14d error falling
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir tracking in progress (0 logged)
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)