Mithrandir Metrics
MIN 2026-08-26 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-08-26

Ryan Jeffers

MIN · Hitter · bats R · age 29
IN · 4 Negative regression Neutral
MatchupMIN vs ATHJ.T. Ginn
Sample1873.0career MLB AB
PROPS 1 available PERCENTILES 24 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.053, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.068, 14d stable. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.053, 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 57.2
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 66.7% Market 67.7% Gap +10.6pp
BetMGM -210 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%7.8%
86 +26 vs proj
Exit velocity88.5
56
Hard-hit%38.8%
51
xBA0.314
43
xSLG0.541
63
xwOBA0.359
93 +25 vs proj
BB%13.3%
92 +38 vs proj
Bat speed71.1
73
K%15.4%
87 +24 vs proj
Defense · percentile strip
Blocking Runs0.9 · C
81
Catcher Throwing-2.5 · C
5
Framing Runs0.2 · C
59
Pop Time2.0 · C
39
Baserunning · percentile strip
Sprint Speed26.4 · C
25
Mithrandir+ · percentile strip
Avoids Bad ChasesST 72.6%
85
Avoids Bad TakesHPT 27.0%
32
Correct Decisions67.1%
62
SEAGER+ Plate Discipline106
75
Resists Breaking - horizontalwOBA 0.318 · small sample
small sample
Resists Breaking - verticalwOBA 0.278 · thin sample
thin sample
Resists ChangeupwOBA 0.287
Small sample
Resists Cutters + splitterswOBA 0.361 · thin sample
thin sample
Resists FastballwOBA 0.316
Small sample
Resists SinkerwOBA 0.422
Small sample

Context

projection · regression · matchup
Projected range0.291 to 0.362
RegressionNegative · -0.055
Opposing pitcherJ.T. Ginn
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-02
Palantir 18081 props Brier 0.118 ECE 0.008 14d stable
Fangorn 18081 props Brier 0.118 ECE 0.009 14d stable
Valinor 12423 props Brier 0.112 ECE 0.004 14d stable
Palantir 1591 props Brier 0.247 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1087 props Brier 0.248 ECE 0.016 14d stable
Palantir 8613 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 683 props Brier 0.163 ECE 0.031 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 900 props Brier 0.256 ECE 0.059 14d error falling
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)