Mithrandir Metrics
PHI 2026-09-10 Refreshed Sep 11 06:00 AM ET
Section III · Betting · Player detail · 2026-09-10

Brandon Marsh

PHI · Hitter · bats L · age 29
IN · 7 Negative regression Hitter-Friendly
MatchupPHI vs HOUCristian Javier
Sample--career MLB AB
PROPS 3 available PERCENTILES 16 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.060, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.063, 14d stable. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.062, 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 11.9
F 13.4
V 11.6
Model 19.0% Market 11.0% Gap +7.6pp
DraftKings 780 tracking Open board
Total Bases 0.5
P 58.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 58.0% Market 75.6% Gap +14.5pp
FanDuel 145 tracking Open board
Hits 0.5
P 21.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 21.4% Market -- Gap +0.2pp
FanDuel 370 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%5.9%
65
Exit velocity89.0
63
Hard-hit%43.5%
74
xBA0.350
82
xSLG0.558
67
xwOBA0.307
54 -22 vs proj
BB%6.0%
23 -46 vs proj
Bat speed69.8
51
K%24.4%
42 +16 vs proj
Defense · percentile strip
Arm Runs-4.2 · LF
1
Arm Strength100.5 · LF
93
Outs Above Avg0.0 · LF
50
Range Runs-1.4 · LF
30
Baserunning · percentile strip
Base Running Runs2.1 · LF
82
SB Success Rate90.0% · LF
82
Sprint Speed28.1 · LF
69

Context

projection · regression · matchup
Projected range0.286 to 0.377
RegressionNegative · -0.029
Opposing pitcherCristian Javier
EnvironmentHitter-Friendly
Lane calibration receipts
Lane Health 2026-09-11
Palantir 19641 props Brier 0.118 ECE 0.006 14d stable
Fangorn 19641 props Brier 0.118 ECE 0.006 14d stable
Valinor 13965 props Brier 0.113 ECE 0.003 14d stable
Palantir 1750 props Brier 0.248 ECE 0.010 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1246 props Brier 0.249 ECE 0.020 14d stable
Palantir 9432 props Brier 0.238 ECE 0.046 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 756 props Brier 0.167 ECE 0.038 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 986 props Brier 0.256 ECE 0.054 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)