Mithrandir Metrics
AZ 2026-07-27 Refreshed Jul 27 06:00 AM ET
Section III · Betting · Player detail · 2026-07-27

Ketel Marte

AZ · Hitter · bats L · age 33
IN · 4 Positive regression Neutral
MatchupAZ vs PITMitch Keller
Sample4943.0career MLB AB
PROPS 3 available PERCENTILES 27 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.074, 14d error rising. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.072, 14d error rising. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.057, 14d error rising. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.087, 14d error rising. This flags probability calibration, not a blanket model failure.
Pitcher Outs · Palantir calibration review Last 14d ECE 0.140, 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 14.7
F 15.5
V 17.8
Model 19.8% Market 20.5% Gap -1.5pp
DraftKings 370 tracking Open board
Total Bases 0.5
P 67.2
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 82.4% Market 83.5% Gap +16.3pp
BetMGM -505 tracking Open board
Hits 1.5
P 30.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 30.9% Market -- Gap +4.1pp
FanDuel 185 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%8.0%
86
Exit velocity90.7
82
Hard-hit%44.0%
73
xBA0.346
76
xSLG0.580
73
xwOBA0.358
90
BB%7.1%
34 -36 vs proj
Bat speed73.3
91
K%14.4%
89
Defense · percentile strip
Arm Runs0.2 · 2B
69
Arm Strength91.5 · 2B
82
Outs Above Avg3.0 · 2B
84
Range Runs2.5 · 2B
75
Baserunning · percentile strip
Base Running Runs0.3 · 2B
49
Bolts1.0 · 2B
14
Sprint Speed26.6 · 2B
29
SB Success Rate100.0% · 2B
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 62.7%
36
Avoids Bad TakesHPT 25.6%
44
Correct Decisions65.0%
37
SEAGER+ Plate Discipline98
34
Resists Breaking - horizontalwOBA 0.283 · small sample
small sample
Resists Breaking - verticalwOBA 0.294 · thin sample
thin sample
Resists ChangeupwOBA 0.269
Small sample
Resists Cutters + splitterswOBA 0.322 · thin sample
thin sample
Resists FastballwOBA 0.351
Small sample
Resists SinkerwOBA 0.430
Small sample

Context

projection · regression · matchup
Projected range0.310 to 0.402
RegressionPositive · 0.015
Opposing pitcherMitch Keller
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-07-27
Palantir 11499 props Brier 0.122 ECE 0.011 14d stable
Fangorn 11499 props Brier 0.122 ECE 0.010 14d stable
Valinor 5904 props Brier 0.116 ECE 0.006 14d stable
Palantir 964 props Brier 0.247 ECE 0.031 14d error rising
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 460 props Brier 0.247 ECE 0.038 14d error rising
Palantir 5326 props Brier 0.239 ECE 0.073 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 344 props Brier 0.177 ECE 0.049 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 512 props Brier 0.259 ECE 0.056 14d error rising
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)