Mithrandir Metrics
NYM 2026-07-18 Refreshed Jul 18 06:00 AM ET
Section III · Betting · Player detail · 2026-07-18

Marcus Semien

NYM · Hitter · bats R · age 36
IN · 5 Positive regression Hitter-Friendly
MatchupNYM vs PHIJesús Luzardo
Sample6655.0career MLB AB
PROPS 3 available PERCENTILES 26 rows LINEUPS tracking; not posted NO PROSE templated rows only
Tonight's props · all markets for this player
Home Run 0.5
P 13.9
F 13.2
V 15.0
Model 20.0% Market 13.6% Gap +5.9pp
FanDuel 605 tracking Open board
Total Bases 0.5
P 60.0
F 66.6 EXPERIMENTAL
V 65.6 EXPERIMENTAL
FULL
Model 60.0% Market 77.0% Gap +11.0pp
FanDuel 130 tracking Open board
Hits 1.5
P 21.0
F 21.6 EXPERIMENTAL
V -- in progress
PARTIAL - 2 of 3 lanes
Model 21.0% Market -- Gap +6.8pp
FanDuel 260 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%6.2%
67 +25 vs proj
Exit velocity86.3
28
Hard-hit%36.7%
39
xBA0.333
63
xSLG0.542
62
xwOBA0.316
59
BB%7.4%
35 -18 vs proj
Bat speed66.5
15
K%21.0%
59 -22 vs proj
Defense · percentile strip
Arm Runs-0.2 · 2B
12
Arm Strength85.3 · 2B
38
Outs Above Avg-5.0 · 2B
7
Range Runs-3.5 · 2B
19
Baserunning · percentile strip
Base Running Runs0.1 · 2B
44
Sprint Speed28.1 · 2B
70
SB Success Rate50.0% · 2B
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 64.9%
47
Avoids Bad TakesHPT 23.8%
64
Correct Decisions68.6%
74
SEAGER+ Plate Discipline101
53
Resists Breaking - horizontalwOBA 0.234 · small sample
small sample
Resists Breaking - verticalwOBA 0.282 · thin sample
thin sample
Resists ChangeupwOBA 0.305
Small sample
Resists Cutters + splitterswOBA 0.334 · thin sample
thin sample
Resists FastballwOBA 0.322
Small sample
Resists SinkerwOBA 0.365
Small sample

Context

projection · regression · matchup
Projected range0.272 to 0.366
RegressionPositive · 0.010
Opposing pitcherJesús Luzardo
EnvironmentHitter-Friendly
Lane calibration receipts
Lane Health 2026-07-18
Palantir 9540 props Brier 0.125 ECE 0.010 14d error falling
Fangorn 9540 props Brier 0.125 ECE 0.011 14d stable
Valinor 3945 props Brier 0.119 ECE 0.005 14d error falling
Palantir 453 props Brier 0.245 ECE 0.004 sample building
Fangorn 18 props Brier 0.243 ECE 0.080 sample building
Valinor 32 props Brier 0.236 ECE 0.220 sample building
Palantir 3223 props Brier 0.240 ECE 0.103 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 137 props Brier 0.153 ECE 0.025 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 328 props Brier 0.265 ECE 0.083 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)