Mithrandir Metrics
WSH 2026-05-30 Refreshed Sep 3 06:00 AM ET
Section III · Betting · Player detail · 2026-05-30

Keibert Ruiz

WSH · Hitter · bats L · age 28
IN · 5 Negative regression Neutral
MatchupWSH vs SDMichael King
Sample1838.0career MLB AB
PROPS 2 available PERCENTILES 24 rows LINEUPS tracking; not posted NO PROSE templated rows only
Strikeouts · Valinor calibration review Last 14d ECE 0.053, 14d stable. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.043, 14d error rising. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.046, 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 12.7
F 14.2
V 14.2
Model 14.6% Market 9.8% Gap +4.4pp
DraftKings 880 tracking Open board
Total Bases 0.5
P 23.7
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 23.7% Market 25.6% Gap +2.2pp
DraftKings 305 tracking Open board
Hits --
Hits · tracking

No production board publishes this player-market cell today.

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%5.4%
55 +29 vs proj
Exit velocity89.5
60
Hard-hit%40.6%
51 +36 vs proj
xBA0.257
7
xSLG0.433
25
xwOBA0.260
12 -24 vs proj
BB%2.3%
2
Bat speed65.7
10
K%13.2%
91
Defense · percentile strip
Blocking Runs0.6 · C
78
Catcher Throwing-0.0 · C
41
Framing Runs2.4 · C
84
Pop Time2.0 · C
5
Baserunning · percentile strip
Sprint Speed25.5 · C
11
Mithrandir+ · percentile strip
Avoids Bad ChasesST 62.9%
Small sample
Avoids Bad TakesHPT 31.5%
Small sample
Correct Decisions62.3%
Small sample
Resists Breaking - horizontalwOBA 0.285 · small sample
small sample
Resists Breaking - verticalwOBA 0.258 · thin sample
thin sample
Resists ChangeupwOBA 0.274
Small sample
Resists Cutters + splitterswOBA 0.364 · thin sample
thin sample
Resists FastballwOBA 0.346
Small sample
Resists SinkerwOBA 0.349
Small sample
SEAGER+ Plate Discipline92
Small sample

Context

projection · regression · matchup
Projected range0.279 to 0.352
RegressionNegative · -0.089
Opposing pitcherMichael King
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-03
Palantir 18276 props Brier 0.117 ECE 0.008 14d stable
Fangorn 18276 props Brier 0.118 ECE 0.008 14d stable
Valinor 12618 props Brier 0.112 ECE 0.004 14d stable
Palantir 1610 props Brier 0.248 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1106 props Brier 0.248 ECE 0.013 14d stable
Palantir 8710 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 690 props Brier 0.165 ECE 0.033 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 910 props Brier 0.256 ECE 0.058 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)