Mithrandir Metrics
STL 2026-06-02 Refreshed Jun 2 06:00 AM ET
Section III · Betting · Player detail · 2026-06-02

Masyn Winn

STL · Hitter · bats R · age 24
IN · 9 Negative regression Neutral
MatchupSTL vs TEXNathan Eovaldi
Sample1392.0career MLB AB
PROPS 2 available PERCENTILES 26 rows LINEUPS tracking; not posted NO PROSE templated rows only
Valinor calibration review active Last 14d ECE 0.055, 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 39.3
F 62.9 EXPERIMENTAL
V 62.1 EXPERIMENTAL
FULL
Model 39.3% Market 60.9% Gap +2.0pp
FanDuel 180 tracking Open board
Hits 0.5
P 98.0
F 98.0 EXPERIMENTAL
V -- in progress
PARTIAL - 2 of 3 lanes
Model 98.0% Market -- Gap +10.3pp
FanDuel 17500 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
BB%9.3%
58 +31 vs proj
Barrel%2.1%
15 -15 vs proj
Bat speed68.0
27
Exit velocity85.9
21
Hard-hit%30.6%
15 -22 vs proj
K%21.6%
51 -27 vs proj
xBA0.331
57
xSLG0.425
22
xwOBA0.296
37
Defense · percentile strip
Arm Runs-0.1 · SS
17
Arm Strength97.2 · SS
99
Outs Above Avg1.0 · SS
71
Range Runs0.3 · SS
48
Baserunning · percentile strip
Base Running Runs1.2 · SS
85
Sprint Speed28.1 · SS
72
SB Success Rate100.0% · SS
Limited
Mithrandir+ · percentile strip
Avoids Bad ChasesST 71.0% · rebadged research
78
Avoids Bad TakesHPT 27.1% · rebadged research
31
Correct Decisions67.3% · rebadged research
61
SEAGER+ Plate Discipline104
67
Resists Breaking - horizontalwOBA 0.297 · borderline
borderline
Resists Breaking - verticalwOBA 0.273 · insufficient sample
insufficient sample
Resists ChangeupwOBA 0.293 · validated thin sample
validated thin sample
Resists Cutters + splitterswOBA 0.326 · insufficient sample
insufficient sample
Resists FastballwOBA 0.307 · validated
validated
Resists SinkerwOBA 0.361 · validated
validated

Context

projection · regression · matchup
Projected range0.282 to 0.363
RegressionNegative · -0.026
Opposing pitcherNathan Eovaldi
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-06-02
Palantir 3219 props Brier 0.125 ECE 0.030 14d stable
Fangorn 3219 props Brier 0.125 ECE 0.010 14d stable
Valinor 1176 props Brier 0.125 ECE 0.013 14d error rising
Palantir 49 props Brier 0.228 ECE 0.190 sample building
Fangorn 13 props Brier 0.239 ECE 0.139 sample building
Valinor 32 props Brier 0.236 ECE 0.220 sample building
Palantir 194 props Brier 0.262 ECE 0.207 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 2 props Brier 0.560 ECE 0.748 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 40 props Brier 0.249 ECE 0.040 sample building
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)