Mithrandir Metrics
KC 2026-09-04 Refreshed Sep 4 06:00 AM ET
Section III · Betting · Player detail · 2026-09-04

Starling Marte

KC · Hitter
OUT · 7 Negative regression Pitcher-Friendly
MatchupKC vs TORJameson Taillon
Sample--career MLB AB
PROPS 1 available PERCENTILES 25 rows LINEUPS tracking; not posted NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.067, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.067, 14d stable. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.049, 14d error rising. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.047, 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 52.1
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 61.2% Market 62.3% Gap +10.2pp
BetMGM -165 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%6.5%
74
Exit velocity87.0
40
Hard-hit%35.5%
35
xBA0.315
45
xSLG0.499
50
xwOBA0.287
32
BB%5.9%
21
Bat speed70.0
56
K%24.3%
41
Defense · percentile strip
Arm Runs-0.1 · RF
48
Arm Strength91.4 · RF
30
Outs Above Avg-1.0 · RF
24
Range Runs-0.4 · RF
42
Baserunning · percentile strip
Sprint Speed25.6 · RF
11
SB Success Rate50.0% · RF
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 60.3%
Small sample
Avoids Bad TakesHPT 28.8%
Small sample
Correct Decisions63.1%
Small sample
Resists Breaking - horizontalwOBA 0.292 · small sample
small sample
Resists Breaking - verticalwOBA 0.278 · thin sample
thin sample
Resists ChangeupwOBA 0.287
Small sample
Resists Cutters + splitterswOBA 0.317 · thin sample
thin sample
Resists FastballwOBA 0.323
Small sample
Resists SinkerwOBA 0.386
Small sample
SEAGER+ Plate Discipline92
Small sample

Context

projection · regression · matchup
Projected range--
RegressionNegative · -0.028
Opposing pitcherJameson Taillon
EnvironmentPitcher-Friendly
Lane calibration receipts
Lane Health 2026-09-04
Palantir 18372 props Brier 0.117 ECE 0.008 14d stable
Fangorn 18372 props Brier 0.117 ECE 0.008 14d stable
Valinor 12714 props Brier 0.112 ECE 0.004 14d stable
Palantir 1629 props Brier 0.248 ECE 0.007 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1125 props Brier 0.248 ECE 0.013 14d stable
Palantir 8804 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 700 props Brier 0.165 ECE 0.033 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 922 props Brier 0.256 ECE 0.059 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)