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

Wilyer Abreu

BOS · Hitter · bats L · age 27
IN · 4 Negative regression Neutral
MatchupBOS vs CLESlade Cecconi
Sample1058.0career MLB AB
PROPS 3 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 0.5
P 21.1
F 17.9
V 17.9
Model 18.5% Market 15.5% Gap +2.4pp
FanDuel 520 tracking Open board
Total Bases 0.5
P 59.8
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 59.8% Market 71.7% Gap +2.3pp
FanDuel 110 tracking Open board
Hits 1.5
P 2.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 2.0% Market -- Gap +7.9pp
FanDuel 8000 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%8.2%
84
Exit velocity89.8
66
Hard-hit%41.9%
57 -19 vs proj
xBA0.341
66
xSLG0.586
71
xwOBA0.344
77
BB%9.1%
53
Bat speed72.4
84
K%19.3%
65 +32 vs proj
Defense · percentile strip
Arm Runs0.7 · RF
79
Arm Strength99.9 · RF
95
Outs Above Avg3.0 · RF
94
Range Runs2.5 · RF
84
Baserunning · percentile strip
Base Running Runs-0.2 · RF
34
Bolts1.0 · RF
17
Sprint Speed28.1 · RF
72
SB Success Rate75.0% · RF
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 63.8%
41
Avoids Bad TakesHPT 25.9%
43
Correct Decisions64.6%
35
SEAGER+ Plate Discipline98
39
Resists Breaking - horizontalwOBA 0.313 · small sample
small sample
Resists Breaking - verticalwOBA 0.305 · thin sample
thin sample
Resists ChangeupwOBA 0.267
Small sample
Resists Cutters + splitterswOBA 0.347 · thin sample
thin sample
Resists FastballwOBA 0.330
Small sample
Resists SinkerwOBA 0.363
Small sample

Context

projection · regression · matchup
Projected range0.298 to 0.354
RegressionNegative · -0.017
Opposing pitcherSlade Cecconi
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)