Mithrandir Metrics
COL 2026-09-26 Refreshed Sep 26 06:00 AM ET
Section III · Betting · Player detail · 2026-09-26

Willi Castro

COL · Hitter · bats L · age 29
IL10 · 1 Negative regression Neutral
MatchupCOL vs CWSDavis Martin
Sample--career MLB AB
PROPS 2 available PERCENTILES 27 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.055, 14d stable. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.082, 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 8.9
F 12.0
V 10.8
Model 12.6% Market 9.8% Gap +2.4pp
DraftKings 885 tracking Open board
Total Bases 1.5
P 50.3
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 49.8% Market 48.9% Gap +1.3pp
FanDuel -105 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%5.2%
56
Exit velocity86.9
40
Hard-hit%40.6%
60 +15 vs proj
xBA0.339
74
xSLG0.559
69
xwOBA0.309
57 -19 vs proj
BB%8.4%
50
Bat speed70.9
71
K%26.9%
28 -18 vs proj
Defense · percentile strip
Arm Runs0.1 · 2B
62
Arm Strength92.9 · 2B
87
Outs Above Avg1.0 · 2B
73
Range Runs-5.0 · 2B
15
Baserunning · percentile strip
Base Running Runs0.4 · 2B
51
Bolts1.0 · 2B
11
SB Success Rate83.3% · 2B
58
Sprint Speed28.1 · 2B
68
Mithrandir+ · percentile strip
Avoids Bad ChasesST 58.4%
16
Avoids Bad TakesHPT 22.0%
82
Correct Decisions63.7%
25
Resists FastballwOBA 0.348
30
SEAGER+ Plate Discipline97
32
Resists Breaking - horizontalwOBA 0.274 · small sample
small sample
Resists Breaking - verticalwOBA 0.271 · thin sample
thin sample
Resists ChangeupwOBA 0.268
Small sample
Resists Cutters + splitterswOBA 0.349 · thin sample
thin sample
Resists SinkerwOBA 0.337
Small sample

Context

projection · regression · matchup
Projected range0.304 to 0.377
RegressionNegative · -0.041
Opposing pitcherDavis Martin
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-26
Palantir 21711 props Brier 0.118 ECE 0.004 14d stable
Fangorn 21711 props Brier 0.118 ECE 0.005 14d stable
Valinor 16023 props Brier 0.114 ECE 0.001 14d stable
Palantir 1947 props Brier 0.248 ECE 0.011 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1443 props Brier 0.248 ECE 0.008 14d stable
Palantir 10429 props Brier 0.238 ECE 0.039 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 850 props Brier 0.166 ECE 0.036 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 1088 props Brier 0.255 ECE 0.053 14d stable
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)