Mithrandir Metrics
NYM 2026-08-22 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-08-22

Bo Bichette

NYM · Hitter · bats R · age 28
IN · 3 Negative regression Neutral
MatchupNYM vs CWSLuis Castillo
Sample3582.0career MLB AB
PROPS 3 available PERCENTILES 25 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 13.1
F 12.6
V 11.1
Model 17.9% Market 11.7% Gap +5.8pp
DraftKings 725 tracking Open board
Total Bases 0.5
P 67.7
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 81.9% Market 82.9% Gap +15.2pp
BetMGM -485 tracking Open board
Hits 1.5
P 28.7
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 28.7% Market -- Gap +5.2pp
FanDuel 195 tracking Open board
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%4.5%
43 -15 vs proj
Exit velocity89.7
72
Hard-hit%41.5%
63 -16 vs proj
xBA0.348
79
xSLG0.514
54
xwOBA0.324
72
BB%7.0%
33
Bat speed68.2
31
K%17.6%
78
Defense · percentile strip
Arm Runs0.1 · 3B
54
Arm Strength88.6 · 3B
60
Outs Above Avg3.0 · 3B
84
Range Runs-0.1 · 3B
50
Baserunning · percentile strip
Base Running Runs-1.7 · 3B
12
Sprint Speed26.1 · 3B
19
Mithrandir+ · percentile strip
Avoids Bad ChasesST 57.3%
15
Avoids Bad TakesHPT 25.6%
45
Correct Decisions62.7%
20
SEAGER+ Plate Discipline93
16
Resists Breaking - horizontalwOBA 0.295 · small sample
small sample
Resists Breaking - verticalwOBA 0.302 · thin sample
thin sample
Resists ChangeupwOBA 0.271
Small sample
Resists Cutters + splitterswOBA 0.340 · thin sample
thin sample
Resists FastballwOBA 0.313
Small sample
Resists SinkerwOBA 0.314
Small sample

Context

projection · regression · matchup
Projected range0.312 to 0.384
RegressionNegative · -0.011
Opposing pitcherLuis Castillo
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)