Mithrandir Metrics
LAD 2026-09-01 Refreshed Sep 1 06:00 AM ET
Section III · Betting · Player detail · 2026-09-01

Mookie Betts

LAD · Hitter · bats R · age 34
IN · 3 Negative regression Neutral
MatchupLAD vs STLMichael McGreevy
Sample6472.0career MLB AB
PROPS 2 available PERCENTILES 26 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.065, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.079, 14d error rising. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.047, 14d error rising. This flags probability calibration, not a blanket model failure.
Pitcher Outs · Palantir calibration review Last 14d ECE 0.064, 14d stable. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 12.5
F 11.9
V 11.5
Model 17.3% Market 15.4% Gap +1.3pp
FanDuel 525 tracking Open board
Total Bases 0.5
P 64.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 81.0% Market 82.0% Gap +17.1pp
BetMGM -455 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%5.9%
65
Exit velocity90.0
77
Hard-hit%36.8%
43
xBA0.310
40
xSLG0.478
42
xwOBA0.325
73
BB%8.6%
53
Bat speed67.7
27
K%10.8%
98
Defense · percentile strip
Arm Runs0.2 · SS
79
Arm Strength87.7 · SS
55
Outs Above Avg9.0 · SS
95
Range Runs7.2 · SS
92
Baserunning · percentile strip
Base Running Runs-0.6 · SS
30
Sprint Speed26.6 · SS
29
SB Success Rate33.3% · SS
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 75.1%
94
Avoids Bad TakesHPT 29.3%
17
Correct Decisions69.5%
82
SEAGER+ Plate Discipline106
78
Resists Breaking - horizontalwOBA 0.295 · small sample
small sample
Resists Breaking - verticalwOBA 0.283 · thin sample
thin sample
Resists ChangeupwOBA 0.250
Small sample
Resists Cutters + splitterswOBA 0.327 · thin sample
thin sample
Resists FastballwOBA 0.359
Small sample
Resists SinkerwOBA 0.354
Small sample

Context

projection · regression · matchup
Projected range0.299 to 0.403
RegressionNegative · -0.014
Opposing pitcherMichael McGreevy
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-01
Palantir 17901 props Brier 0.117 ECE 0.008 14d stable
Fangorn 17901 props Brier 0.118 ECE 0.009 14d stable
Valinor 12243 props Brier 0.112 ECE 0.005 14d stable
Palantir 1577 props Brier 0.247 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1073 props Brier 0.247 ECE 0.016 14d error rising
Palantir 8544 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 673 props Brier 0.163 ECE 0.031 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 891 props Brier 0.256 ECE 0.060 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)