Mithrandir Metrics
WSH 2026-09-27 Refreshed Sep 27 06:00 AM ET
Section III · Betting · Player detail · 2026-09-27

Jacob Young

WSH · Hitter · bats R · age 27
IN · 6 Negative regression Neutral
MatchupWSH vs NYM--
Sample--career MLB AB
PROPS 1 available PERCENTILES 17 rows LINEUPS confirmed artifact NO PROSE templated rows only
Total Bases · Palantir calibration review Last 14d ECE 0.068, 14d error rising. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.060, 14d stable. 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 --
Total Bases · tracking

No production board publishes this player-market cell today.

Hits 0.5
P 2.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 2.0% Market -- Gap +4.8pp
FanDuel 2700 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%4.1%
39 +29 vs proj
Exit velocity86.5
35
Hard-hit%31.8%
23
xBA0.317
50
xSLG0.473
41
xwOBA0.315
65 +19 vs proj
BB%7.4%
36
Bat speed66.5
17
K%16.5%
84
Defense · percentile strip
Arm Runs-1.1 · CF
22
Arm Strength94.2 · CF
55
Outs Above Avg11.0 · CF
99
Range Runs10.1 · CF
97
Baserunning · percentile strip
Base Running Runs2.4 · CF
82
Bolts27.0 · CF
77
SB Success Rate82.4% · CF
55
Sprint Speed29.2 · CF
92

Context

projection · regression · matchup
Projected range0.268 to 0.331
RegressionNegative · -0.021
Opposing pitcher--
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-27
Palantir 21810 props Brier 0.118 ECE 0.004 14d stable
Fangorn 21810 props Brier 0.118 ECE 0.005 14d error falling
Valinor 16122 props Brier 0.114 ECE 0.002 14d stable
Palantir 1972 props Brier 0.248 ECE 0.011 14d error falling
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1468 props Brier 0.248 ECE 0.009 14d stable
Palantir 10537 props Brier 0.239 ECE 0.041 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 850 props Brier 0.166 ECE 0.036 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 1097 props Brier 0.255 ECE 0.052 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)