Mithrandir Metrics
SF 2026-09-26 Refreshed Sep 26 06:00 AM ET
Section III · Betting · Player detail · 2026-09-26

Rafael Devers

SF · Hitter
IL60 · 2 Negative regression Pitcher-Friendly
MatchupSF vs LADBlake Snell
Sample--career MLB AB
PROPS 2 available PERCENTILES 24 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.055, 14d stable. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.082, 14d error rising. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 12.6
F 13.3
V 14.2
Model 16.1% Market 20.2% Gap -4.1pp
BetMGM 395 tracking Open board
Total Bases 0.5
P 57.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 72.1% Market 73.0% Gap +15.0pp
BetMGM -270 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%8.1%
89
Exit velocity92.8
97
Hard-hit%51.7%
96
xBA0.334
71
xSLG0.665
92
xwOBA0.342
87
BB%10.8%
77
Bat speed70.6
66
K%25.4%
36
Defense · percentile strip
Arm Runs0.0 · 1B
48
Outs Above Avg-2.0 · 1B
19
Range Runs-1.6 · 1B
37
Baserunning · percentile strip
Base Running Runs-0.2 · 1B
38
Sprint Speed26.1 · 1B
19
Mithrandir+ · percentile strip
Avoids Bad ChasesST 64.4%
45
Avoids Bad TakesHPT 26.1%
40
Correct Decisions65.6%
44
Resists FastballwOBA 0.348
30
SEAGER+ Plate Discipline99
40
Resists Breaking - horizontalwOBA 0.296 · small sample
small sample
Resists Breaking - verticalwOBA 0.328 · thin sample
thin sample
Resists ChangeupwOBA 0.268
Small sample
Resists Cutters + splitterswOBA 0.402 · thin sample
thin sample
Resists SinkerwOBA 0.364
Small sample

Context

projection · regression · matchup
Projected range--
RegressionNegative · -0.036
Opposing pitcherBlake Snell
EnvironmentPitcher-Friendly
Lane calibration receipts
Lane Health 2026-09-26
Palantir 21711 props Brier 0.118 ECE 0.004 14d stable
Fangorn 21711 props Brier 0.118 ECE 0.005 14d stable
Valinor 16023 props Brier 0.114 ECE 0.001 14d stable
Palantir 1947 props Brier 0.248 ECE 0.011 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1443 props Brier 0.248 ECE 0.008 14d stable
Palantir 10429 props Brier 0.238 ECE 0.039 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 850 props Brier 0.166 ECE 0.036 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 1088 props Brier 0.255 ECE 0.053 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)