Mithrandir Metrics
STL 2026-05-30 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-05-30

Jordan Walker

STL · Hitter · bats R · age 24
IN · 7 Negative regression Neutral
MatchupSTL vs CHCBen Brown
Sample1153.0career MLB AB
PROPS 2 available PERCENTILES 27 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 --
Home Run · tracking

No production board publishes this player-market cell today.

Total Bases 0.5
P 62.2
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 62.2% Market 60.2% Gap +2.0pp
FanDuel -170 tracking Open board
Hits 0.5
P 98.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 98.0% Market -- Gap +14.4pp
FanDuel 10000 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%10.4%
95 +30 vs proj
Exit velocity94.3
98
Hard-hit%53.5%
95 +24 vs proj
xBA0.389
93
xSLG0.740
95
xwOBA0.383
94 +54 vs proj
BB%8.7%
50 +19 vs proj
Bat speed77.0
100
K%25.3%
34
Defense · percentile strip
Arm Runs0.7 · RF
81
Arm Strength102.0 · RF
99
Outs Above Avg-1.0 · RF
20
Range Runs-1.3 · RF
30
Baserunning · percentile strip
Base Running Runs0.8 · RF
76
Bolts5.0 · RF
56
SB Success Rate71.4% · RF
30
Sprint Speed29.0 · RF
92
Mithrandir+ · percentile strip
Avoids Bad ChasesST 61.1%
29
Avoids Bad TakesHPT 22.2%
76
Correct Decisions66.0%
47
SEAGER+ Plate Discipline99
43
Resists Breaking - horizontalwOBA 0.340 · small sample
small sample
Resists Breaking - verticalwOBA 0.285 · thin sample
thin sample
Resists ChangeupwOBA 0.326
Small sample
Resists Cutters + splitterswOBA 0.351 · thin sample
thin sample
Resists FastballwOBA 0.349
Small sample
Resists SinkerwOBA 0.368
Small sample

Context

projection · regression · matchup
Projected range0.258 to 0.352
RegressionNegative · -0.054
Opposing pitcherBen Brown
EnvironmentNeutral
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)