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

Zack Gelof

ATH · Hitter
IN · 9 Negative regression Pitcher-Friendly
MatchupATH vs SEAGeorge Kirby
Sample1197.0career MLB AB
PROPS 1 available PERCENTILES 27 rows LINEUPS tracking; not posted 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 48.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 56.3% Market 57.5% Gap +9.1pp
BetMGM -135 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%
67
Exit velocity87.7
48
Hard-hit%42.2%
69
xBA0.315
46
xSLG0.570
72
xwOBA0.308
56
BB%7.5%
38
Bat speed71.8
77
K%25.2%
38 +31 vs proj
Defense · percentile strip
Arm Runs-0.1 · 3B
21
Arm Strength91.0 · 3B
78
Outs Above Avg-3.0 · 3B
13
Range Runs-0.9 · 3B
46
Baserunning · percentile strip
Base Running Runs2.7 · 3B
86
Bolts9.0 · 3B
62
SB Success Rate88.9% · 3B
79
Sprint Speed28.8 · 3B
86
Mithrandir+ · percentile strip
Avoids Bad ChasesST 68.6%
66
Avoids Bad TakesHPT 26.8%
33
Correct Decisions68.2%
72
SEAGER+ Plate Discipline102
58
Resists Breaking - horizontalwOBA 0.282 · small sample
small sample
Resists Breaking - verticalwOBA 0.266 · thin sample
thin sample
Resists ChangeupwOBA 0.278
Small sample
Resists Cutters + splitterswOBA 0.363 · thin sample
thin sample
Resists FastballwOBA 0.345
Small sample
Resists SinkerwOBA 0.337
Small sample

Context

projection · regression · matchup
Projected range--
RegressionNegative · -0.050
Opposing pitcherGeorge Kirby
EnvironmentPitcher-Friendly
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)