Mithrandir Metrics
TB 2026-07-03 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-07-03

Junior Caminero

TB · Hitter · bats R · age 23
IN · 3 Negative regression Neutral
MatchupTB vs HOUSpencer Arrighetti
Sample1120.0career MLB AB
PROPS 2 available PERCENTILES 26 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 17.2
F 16.6
V 15.2
Model 17.5% Market 22.0% Gap -4.5pp
BetMGM 355 tracking Open board
Total Bases 0.5
P 62.3
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 73.6% Market 74.7% Gap +12.4pp
BetMGM -295 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%9.7%
94
Exit velocity93.8
98
Hard-hit%53.6%
96
xBA0.352
79
xSLG0.648
86
xwOBA0.378
95
BB%12.6%
87
Bat speed78.5
100
K%17.6%
76
Defense · percentile strip
Arm Runs0.2 · 3B
79
Arm Strength90.2 · 3B
79
Outs Above Avg-1.0 · 3B
28
Range Runs-8.1 · 3B
1
Baserunning · percentile strip
Base Running Runs-1.1 · 3B
13
Sprint Speed26.3 · 3B
23
SB Success Rate0.0% · 3B
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 68.6%
65
Avoids Bad TakesHPT 20.3%
88
Correct Decisions66.7%
57
SEAGER+ Plate Discipline108
85
Resists Breaking - horizontalwOBA 0.262 · small sample
small sample
Resists Breaking - verticalwOBA 0.286 · thin sample
thin sample
Resists ChangeupwOBA 0.272
Small sample
Resists Cutters + splitterswOBA 0.363 · thin sample
thin sample
Resists FastballwOBA 0.424
Small sample
Resists SinkerwOBA 0.405
Small sample

Context

projection · regression · matchup
Projected range0.330 to 0.396
RegressionNegative · -0.041
Opposing pitcherSpencer Arrighetti
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)