Mithrandir Metrics
NYM 2026-09-08 Refreshed Sep 11 06:00 AM ET
Section III · Betting · Player detail · 2026-09-08

Luis Robert Jr.

NYM · Hitter · bats R · age 29
IL10 · 9 Negative regression Neutral
MatchupNYM vs MIASandy Alcantara
Sample--career MLB AB
PROPS 1 available PERCENTILES 20 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.060, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.063, 14d stable. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.062, 14d error rising. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run --
Home Run · tracking

No production board publishes this player-market cell today.

Total Bases 0.5
P 55.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 66.0% Market 67.2% Gap +11.8pp
BetMGM -205 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%6.0%
68
Exit velocity89.5
72
Hard-hit%39.1%
53
xBA0.327
59
xSLG0.572
72
xwOBA0.321
70 +16 vs proj
BB%10.1%
70 +36 vs proj
Bat speed75.0
98
K%24.6%
41 +15 vs proj
Defense · percentile strip
Arm Runs1.0 · CF
75
Arm Strength91.7 · CF
34
Outs Above Avg-1.0 · CF
24
Range Runs-0.1 · CF
46
Baserunning · percentile strip
Bolts5.0 · CF
48
Sprint Speed28.9 · CF
88
SB Success Rate25.0% · CF
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 65.3%
Small sample
Avoids Bad TakesHPT 20.4%
Small sample
Correct Decisions67.7%
Small sample
SEAGER+ Plate Discipline105
Small sample

Context

projection · regression · matchup
Projected range0.281 to 0.371
RegressionNegative · -0.029
Opposing pitcherSandy Alcantara
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-11
Palantir 19641 props Brier 0.118 ECE 0.006 14d stable
Fangorn 19641 props Brier 0.118 ECE 0.006 14d stable
Valinor 13965 props Brier 0.113 ECE 0.003 14d stable
Palantir 1750 props Brier 0.248 ECE 0.010 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1246 props Brier 0.249 ECE 0.020 14d stable
Palantir 9432 props Brier 0.238 ECE 0.046 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 756 props Brier 0.167 ECE 0.038 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 986 props Brier 0.256 ECE 0.054 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)