Mithrandir Metrics
PHI 2026-09-27 Refreshed Sep 27 06:00 AM ET
Section III · Betting · Player detail · 2026-09-27

Brandon Marsh

PHI · Hitter · bats L · age 29
IN · 6 Negative regression Neutral
MatchupPHI vs TBNick Martinez
Sample--career MLB AB
PROPS 3 available PERCENTILES 16 rows LINEUPS confirmed artifact NO PROSE templated rows only
Total Bases · Palantir calibration review Last 14d ECE 0.068, 14d error rising. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.060, 14d stable. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 10.6
F 13.8
V 10.9
Model 15.1% Market 11.0% Gap +3.8pp
DraftKings 780 tracking Open board
Total Bases 2.5
P 34.3
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 34.3% Market 35.1% Gap +16.0pp
FanDuel 550 tracking Open board
Hits 1.5
P 4.3
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 4.3% Market -- Gap +3.2pp
FanDuel 2500 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%5.7%
63
Exit velocity88.8
61
Hard-hit%42.7%
72
xBA0.345
79
xSLG0.553
67
xwOBA0.302
49 -27 vs proj
BB%6.0%
23 -46 vs proj
Bat speed69.7
51
K%24.9%
39
Defense · percentile strip
Arm Runs-4.5 · LF
1
Arm Strength100.5 · LF
93
Outs Above Avg0.0 · LF
50
Range Runs-1.0 · LF
38
Baserunning · percentile strip
Base Running Runs2.0 · LF
78
SB Success Rate90.0% · LF
81
Sprint Speed28.1 · LF
68

Context

projection · regression · matchup
Projected range0.286 to 0.377
RegressionNegative · -0.026
Opposing pitcherNick Martinez
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-27
Palantir 21810 props Brier 0.118 ECE 0.004 14d stable
Fangorn 21810 props Brier 0.118 ECE 0.005 14d error falling
Valinor 16122 props Brier 0.114 ECE 0.002 14d stable
Palantir 1972 props Brier 0.248 ECE 0.011 14d error falling
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1468 props Brier 0.248 ECE 0.009 14d stable
Palantir 10537 props Brier 0.239 ECE 0.041 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 850 props Brier 0.166 ECE 0.036 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 1097 props Brier 0.255 ECE 0.052 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)