Mithrandir Metrics
BOS 2026-07-20 Refreshed Sep 1 06:00 AM ET
Section III · Betting · Player detail · 2026-07-20

Wilyer Abreu

BOS · Hitter · bats L · age 27
IN · 3 Negative regression Hitter-Friendly
MatchupBOS vs BALShane Baz
Sample1215.0career MLB AB
PROPS 3 available PERCENTILES 27 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.065, 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 16.9
F 15.5
V 14.7
Model 18.7% Market 15.5% Gap +2.6pp
FanDuel 520 tracking Open board
Total Bases 0.5
P 60.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 60.4% Market 75.0% Gap +14.4pp
FanDuel -120 tracking Open board
Hits 1.5
P 18.6
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 18.6% Market -- Gap +12.7pp
FanDuel 220 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%9.3%
93 +16 vs proj
Exit velocity89.9
74
Hard-hit%42.0%
63 -16 vs proj
xBA0.341
69
xSLG0.628
83
xwOBA0.351
85
BB%9.8%
66
Bat speed72.4
82
K%20.3%
63 +29 vs proj
Defense · percentile strip
Arm Runs0.6 · RF
71
Arm Strength99.9 · RF
94
Outs Above Avg6.0 · RF
97
Range Runs4.6 · RF
90
Baserunning · percentile strip
Base Running Runs-1.0 · RF
18
Bolts3.0 · RF
42
SB Success Rate66.7% · RF
20
Sprint Speed28.1 · RF
70
Mithrandir+ · percentile strip
Avoids Bad ChasesST 64.5%
45
Avoids Bad TakesHPT 25.4%
48
Correct Decisions65.5%
43
SEAGER+ Plate Discipline100
44
Resists Breaking - horizontalwOBA 0.301 · small sample
small sample
Resists Breaking - verticalwOBA 0.307 · thin sample
thin sample
Resists ChangeupwOBA 0.276
Small sample
Resists Cutters + splitterswOBA 0.351 · thin sample
thin sample
Resists FastballwOBA 0.335
Small sample
Resists SinkerwOBA 0.358
Small sample

Context

projection · regression · matchup
Projected range0.298 to 0.354
RegressionNegative · -0.008
Opposing pitcherShane Baz
EnvironmentHitter-Friendly
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)