Mithrandir Metrics
DET 2026-08-26 Refreshed Sep 1 06:00 AM ET
Section III · Betting · Player detail · 2026-08-26

Zach McKinstry

DET · Hitter · bats L · age 31
IN · 6 Negative regression Neutral
MatchupDET vs TBFreddy Peralta
Sample1865.0career MLB AB
PROPS 3 available PERCENTILES 26 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.065, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.079, 14d error rising. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.047, 14d error rising. This flags probability calibration, not a blanket model failure.
Pitcher Outs · Palantir calibration review Last 14d ECE 0.064, 14d stable. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 9.8
F 11.7
V 10.8
Model 13.2% Market 8.7% Gap +4.2pp
DraftKings 1010 tracking Open board
Total Bases 0.5
P 57.7
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 67.6% Market 68.8% Gap +11.0pp
BetMGM -220 tracking Open board
Hits 0.5
P 16.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 16.9% Market -- Gap +4.1pp
FanDuel 390 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%1.6%
8 -27 vs proj
Exit velocity84.7
17
Hard-hit%21.9%
4 -22 vs proj
xBA0.287
17
xSLG0.389
10
xwOBA0.288
31 -23 vs proj
BB%9.7%
65 +18 vs proj
Bat speed66.2
13
K%15.8%
86 +26 vs proj
Defense · percentile strip
Arm Runs1.1 · RF
76
Arm Strength96.6 · RF
74
Outs Above Avg4.0 · RF
94
Range Runs4.8 · RF
88
Baserunning · percentile strip
Base Running Runs-1.5 · RF
19
Sprint Speed27.9 · RF
63
SB Success Rate25.0% · RF
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 66.7%
58
Avoids Bad TakesHPT 26.3%
40
Correct Decisions68.0%
71
SEAGER+ Plate Discipline101
52
Resists Breaking - horizontalwOBA 0.286 · small sample
small sample
Resists Breaking - verticalwOBA 0.292 · thin sample
thin sample
Resists ChangeupwOBA 0.258
Small sample
Resists Cutters + splitterswOBA 0.308 · thin sample
thin sample
Resists FastballwOBA 0.335
Small sample
Resists SinkerwOBA 0.352
Small sample

Context

projection · regression · matchup
Projected range0.282 to 0.346
RegressionNegative · -0.040
Opposing pitcherFreddy Peralta
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-01
Palantir 17901 props Brier 0.117 ECE 0.008 14d stable
Fangorn 17901 props Brier 0.118 ECE 0.009 14d stable
Valinor 12243 props Brier 0.112 ECE 0.005 14d stable
Palantir 1577 props Brier 0.247 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1073 props Brier 0.247 ECE 0.016 14d error rising
Palantir 8544 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 673 props Brier 0.163 ECE 0.031 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 891 props Brier 0.256 ECE 0.060 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)