Mithrandir Metrics
AZ 2026-05-29 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-05-29

Ketel Marte

AZ · Hitter · bats L · age 33
IN · 2 Positive regression Pitcher-Friendly
MatchupAZ vs SEAGeorge Kirby
Sample4744.0career MLB AB
PROPS 1 available PERCENTILES 25 rows LINEUPS tracking; not posted NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.053, 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 0.5
P 16.1
F 14.2
V 14.2
Model 16.2% Market 21.1% Gap -4.9pp
BetMGM 375 tracking Open board
Total Bases --
Total Bases · tracking

No production board publishes this player-market cell today.

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%8.9%
87
Exit velocity90.5
77
Hard-hit%43.8%
66
xBA0.371
86
xSLG0.621
79
xwOBA0.381
92
BB%7.2%
31 -35 vs proj
Bat speed72.9
88
K%14.3%
88
Defense · percentile strip
Arm Runs0.2 · 2B
80
Arm Strength85.8 · 2B
56
Outs Above Avg3.0 · 2B
88
Range Runs2.1 · 2B
79
Baserunning · percentile strip
Base Running Runs0.2 · 2B
50
Sprint Speed26.4 · 2B
25
Mithrandir+ · percentile strip
Avoids Bad ChasesST 62.1%
33
Avoids Bad TakesHPT 27.0%
31
Correct Decisions63.4%
24
SEAGER+ Plate Discipline95
26
Resists Breaking - horizontalwOBA 0.270 · small sample
small sample
Resists Breaking - verticalwOBA 0.285 · thin sample
thin sample
Resists ChangeupwOBA 0.284
Small sample
Resists Cutters + splitterswOBA 0.315 · thin sample
thin sample
Resists FastballwOBA 0.366
Small sample
Resists SinkerwOBA 0.416
Small sample

Context

projection · regression · matchup
Projected range0.310 to 0.402
RegressionPositive · 0.012
Opposing pitcherGeorge Kirby
EnvironmentPitcher-Friendly
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)