Mithrandir Metrics
STL 2026-06-09 Refreshed Sep 1 06:00 AM ET
Section III · Betting · Player detail · 2026-06-09

Alec Burleson

STL · Hitter · bats L · age 28
IN · 3 Negative regression Neutral
MatchupSTL vs NYMFreddy Peralta
Sample1648.0career MLB AB
PROPS 3 available PERCENTILES 24 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 18.6
F 17.9
V 17.9
Model 18.6% Market 13.3% Gap +4.8pp
DraftKings 625 tracking Open board
Total Bases 0.5
P 56.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 56.4% Market 73.6% Gap +2.6pp
FanDuel 115 tracking Open board
Hits 1.5
P 2.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 2.0% Market -- Gap +8.1pp
FanDuel 6500 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%7.3%
78 +20 vs proj
Exit velocity91.4
87
Hard-hit%48.8%
86 +24 vs proj
xBA0.356
78
xSLG0.640
82
xwOBA0.383
95 +22 vs proj
BB%9.4%
58 +29 vs proj
Bat speed70.7
67
K%15.3%
85
Defense · percentile strip
Outs Above Avg0.0 · 1B
44
Range Runs-0.7 · 1B
38
Baserunning · percentile strip
Base Running Runs0.8 · 1B
70
Sprint Speed25.7 · 1B
14
SB Success Rate100.0% · 1B
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 63.7%
41
Avoids Bad TakesHPT 27.6%
28
Correct Decisions64.7%
35
SEAGER+ Plate Discipline97
30
Resists Breaking - horizontalwOBA 0.293 · small sample
small sample
Resists Breaking - verticalwOBA 0.299 · thin sample
thin sample
Resists ChangeupwOBA 0.317
Small sample
Resists Cutters + splitterswOBA 0.329 · thin sample
thin sample
Resists FastballwOBA 0.348
Small sample
Resists SinkerwOBA 0.374
Small sample

Context

projection · regression · matchup
Projected range0.318 to 0.376
RegressionNegative · -0.005
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)