Mithrandir Metrics
AZ 2026-05-23 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-05-23

Geraldo Perdomo

AZ · Hitter · bats L · age 27
IN · 3 Negative regression Neutral
MatchupAZ vs COLMichael Lorenzen
Sample1963.0career MLB AB
PROPS 2 available PERCENTILES 21 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.065, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.079, 14d error rising. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.047, 14d error rising. This flags probability calibration, not a blanket model failure.
Pitcher Outs · Palantir calibration review Last 14d ECE 0.064, 14d stable. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 10.5
F 17.9
V 13.4
Model 15.2% Market 9.3% Gap +5.5pp
DraftKings 935 tracking Open board
Total Bases 2.5
P 39.5
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 39.5% Market 38.6% Gap -3.2pp
FanDuel 150 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%2.4%
18
Exit velocity85.6
18
Hard-hit%35.1%
27 +16 vs proj
xBA0.295
26
xSLG0.399
17
xwOBA0.332
67
BB%16.6%
97 +18 vs proj
Bat speed61.4
1
K%11.8%
94
Defense · percentile strip
Arm Runs0.0 · SS
39
Arm Strength89.2 · SS
79
Outs Above Avg3.0 · SS
88
Range Runs2.4 · SS
81
Baserunning · percentile strip
Base Running Runs0.6 · SS
70
SB Success Rate85.7% · SS
65
Sprint Speed26.8 · SS
37
Mithrandir+ · percentile strip
Avoids Bad ChasesST 71.4%
Small sample
Avoids Bad TakesHPT 16.7%
Small sample
Correct Decisions72.7%
Small sample
Resists SinkerwOBA 0.340
Small sample
SEAGER+ Plate Discipline106
Small sample

Context

projection · regression · matchup
Projected range0.303 to 0.369
RegressionNegative · -0.023
Opposing pitcherMichael Lorenzen
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-01
Palantir 17901 props Brier 0.117 ECE 0.008 14d stable
Fangorn 17901 props Brier 0.118 ECE 0.009 14d stable
Valinor 12243 props Brier 0.112 ECE 0.005 14d stable
Palantir 1577 props Brier 0.247 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1073 props Brier 0.247 ECE 0.016 14d error rising
Palantir 8544 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 673 props Brier 0.163 ECE 0.031 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 891 props Brier 0.256 ECE 0.060 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)