Mithrandir Metrics
NYM 2026-06-12 Refreshed Jun 15 06:00 AM ET
Section III · Betting · Player detail · 2026-06-12

Marcus Semien

NYM · Hitter · bats R · age 36
IN · 6 Positive regression Neutral
MatchupNYM vs ATLSpencer Strider
Sample6611.0career MLB AB
PROPS 3 available PERCENTILES 25 rows LINEUPS confirmed artifact NO PROSE templated rows only
Tonight's props · all markets for this player
Home Run 0.5
P 15.0
F 13.4
V 13.4
Model 18.6% Market 13.2% Gap +4.9pp
FanDuel 630 tracking Open board
Total Bases 0.5
P 57.3
F 74.6 EXPERIMENTAL
V 73.6 EXPERIMENTAL
FULL
Model 57.3% Market 71.7% Gap +2.4pp
FanDuel 140 tracking Open board
Hits 1.5
P 18.3
F 18.9 EXPERIMENTAL
V -- in progress
PARTIAL - 2 of 3 lanes
Model 18.3% Market -- Gap +6.1pp
FanDuel 310 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%7.0%
76 +33 vs proj
Exit velocity86.5
28
Hard-hit%38.2%
44
xBA0.339
65
xSLG0.562
65
xwOBA0.325
63
BB%6.7%
26 -26 vs proj
Bat speed66.3
15
K%19.7%
63 -17 vs proj
Defense · percentile strip
Arm Strength84.5 · 2B
37
Outs Above Avg-3.0 · 2B
11
Range Runs-2.1 · 2B
20
Baserunning · percentile strip
Base Running Runs0.3 · 2B
50
Sprint Speed28.2 · 2B
74
SB Success Rate50.0% · 2B
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 66.2%
53
Avoids Bad TakesHPT 24.4%
58
Correct Decisions68.9%
76
SEAGER+ Plate Discipline102
55
Resists Breaking - horizontalwOBA 0.232 · small sample
small sample
Resists Breaking - verticalwOBA 0.279 · thin sample
thin sample
Resists ChangeupwOBA 0.302
Small sample
Resists Cutters + splitterswOBA 0.337 · thin sample
thin sample
Resists FastballwOBA 0.330
Small sample
Resists SinkerwOBA 0.372
Small sample

Context

projection · regression · matchup
Projected range0.272 to 0.366
RegressionPositive · 0.011
Opposing pitcherSpencer Strider
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-06-14
Palantir 5634 props Brier 0.126 ECE 0.006 14d stable
Fangorn 5634 props Brier 0.126 ECE 0.009 14d stable
Valinor 1176 props Brier 0.125 ECE 0.013 sample building
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)