Mithrandir Metrics
PIT 2026-05-31 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-05-31

Jake Mangum

PIT · Hitter
IN · 1 Negative regression Neutral
MatchupPIT vs MINZebby Matthews
Sample506.0career MLB AB
PROPS 3 available PERCENTILES 26 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 10.4
F 10.3
V 10.3
Model 8.4% Market 7.7% Gap +0.4pp
DraftKings 1150 tracking Open board
Total Bases 0.5
P 50.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 50.9% Market 74.3% Gap +2.5pp
FanDuel 150 tracking Open board
Hits 0.5
P 2.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 2.0% Market -- Gap +3.1pp
FanDuel 12500 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%0.0%
2 -16 vs proj
Exit velocity80.5
2
Hard-hit%24.4%
6 -20 vs proj
xBA0.320
46
xSLG0.382
12
xwOBA0.276
21
BB%6.4%
24
Bat speed63.7
4
K%22.4%
47 -39 vs proj
Defense · percentile strip
Arm Runs0.3 · LF
62
Arm Strength88.9 · LF
20
Outs Above Avg-2.0 · LF
8
Range Runs-0.6 · LF
44
Baserunning · percentile strip
Bolts7.0 · LF
67
SB Success Rate83.3% · LF
60
Sprint Speed29.1 · LF
93
Mithrandir+ · percentile strip
Avoids Bad ChasesST 47.8%
Small sample
Avoids Bad TakesHPT 24.3%
Small sample
Correct Decisions57.9%
Small sample
Resists Breaking - horizontalwOBA 0.284 · small sample
small sample
Resists Breaking - verticalwOBA 0.285 · thin sample
thin sample
Resists ChangeupwOBA 0.272
Small sample
Resists Cutters + splitterswOBA 0.331 · thin sample
thin sample
Resists FastballwOBA 0.360
Small sample
Resists SinkerwOBA 0.328
Small sample
SEAGER+ Plate Discipline85
Small sample

Context

projection · regression · matchup
Projected range--
RegressionNegative · -0.055
Opposing pitcherZebby Matthews
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)