Mithrandir Metrics
ATH 2026-09-11 Refreshed Sep 11 06:00 AM ET
Section III · Betting · Pitcher detail · 2026-09-11

Jeffrey Springs

ATH · SP
Projected starter Opp K 25.1% Neutral
MatchupATH vs SEAopponent
Sample614.667career MLB IP
PROPS 1 available BATTERS FACED 0.00 PERCENTILES 14 rows
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 pitcher props
Strikeouts3.5
P 64.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 64.9% Market -- Gap +7.8pp
FanDuel -154 tracking Open board
Pitcher Outs--
Pitcher Outs · tracking

No production board publishes this pitcher-market cell today.

Win Probability--
Win prob · no production board

No production board publishes this pitcher-market cell today.

Pitcher skill · percentile strip

Current season percentiles

100th = best in MLB
Pitching · percentile strip
WHIP1.43
30
ERA6.02
11
BB%9.1%
48 -23 vs proj
K%18.5%
25 -16 vs proj
xwOBA allowed0.336
27
Barrel allowed8.9%
28
Fastball velo91.4
9
Hard-hit allowed34.1%
81
Whiff%20.7%
32 -21 vs proj
Mithrandir+ · percentile strip
Changeup Stuff+104
69
Fastball Stuff+99
25
Mithrandir Stuff+100
33
Slider Stuff+103
64
Cutter Stuff+93
Small sample

Matchup context

cached artifacts
Projected range--
Opponent K25.1%
Expected BF0.00
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)