Mithrandir Metrics
TB 2026-10-15 Refreshed Oct 15 06:00 AM ET
Section III · Betting · Player detail · 2026-10-15

Yandy Díaz

TB · Hitter · bats R · age 35
IN · 1 Negative regression Neutral
MatchupTB vs CLEGavin Williams
Sample--career MLB AB
PROPS 2 available PERCENTILES 12 rows LINEUPS confirmed artifact NO PROSE templated rows only
Home Runs · Palantir calibration review Last 14d ECE 0.047, 14d error rising. This flags probability calibration, not a blanket model failure.
Home Runs · Fangorn calibration review Last 14d ECE 0.039, 14d error rising. This flags probability calibration, not a blanket model failure.
Home Runs · Valinor calibration review Last 14d ECE 0.034, 14d error rising. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.089, 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 14.7
F 15.1
V 12.9
Model 17.3% Market 14.2% Gap +2.5pp
FanDuel 575 tracking Open board
Total Bases 0.5
P 66.1
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 81.0% Market 82.0% Gap +15.9pp
BetMGM -455 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%5.6%
63
Exit velocity91.1
88
Hard-hit%48.5%
90
xBA0.335
71
xSLG0.520
57
xwOBA0.343
88
BB%8.0%
45
Bat speed72.1
81
K%14.4%
91
Baserunning · percentile strip
Base Running Runs-2.4 · DH
12
Sprint Speed26.0 · DH
16
SB Success Rate100.0% · DH
Small sample

Context

projection · regression · matchup
Projected range0.325 to 0.398
RegressionNegative · -0.034
Opposing pitcherGavin Williams
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-10-15
Palantir 22410 props Brier 0.118 ECE 0.004 14d error rising
Fangorn 22410 props Brier 0.118 ECE 0.005 14d error rising
Valinor 16722 props Brier 0.115 ECE 0.002 14d error rising
Palantir 2000 props Brier 0.248 ECE 0.010 sample building
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1496 props Brier 0.248 ECE 0.010 sample building
Palantir 10880 props Brier 0.238 ECE 0.042 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 866 props Brier 0.169 ECE 0.039 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 1106 props Brier 0.255 ECE 0.052 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)