Mithrandir Metrics
NYY 2026-08-01 Refreshed Sep 1 06:00 AM ET
Section III · Betting · Player detail · 2026-08-01

Jazz Chisholm Jr.

NYY · Hitter
IN · 5 Negative regression Pitcher-Friendly
MatchupNYY vs CHCDavid Peterson
Sample2470.0career MLB AB
PROPS 2 available PERCENTILES 27 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 10.8
F 12.6
V 15.5
Model 14.2% Market 17.9% Gap -3.7pp
BetMGM 460 tracking Open board
Total Bases 0.5
P 61.3
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 73.8% Market 74.7% Gap +13.4pp
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%5.4%
59 -24 vs proj
Exit velocity89.5
70
Hard-hit%41.9%
64
xBA0.325
55
xSLG0.571
71
xwOBA0.292
33 -38 vs proj
BB%10.1%
69
Bat speed70.8
70
K%30.2%
15
Defense · percentile strip
Arm Runs0.0 · 2B
42
Arm Strength83.6 · 2B
28
Outs Above Avg9.0 · 2B
97
Range Runs6.9 · 2B
95
Baserunning · percentile strip
Base Running Runs4.1 · 2B
97
Bolts7.0 · 2B
59
SB Success Rate88.5% · 2B
75
Sprint Speed28.4 · 2B
79
Mithrandir+ · percentile strip
Avoids Bad ChasesST 68.2%
64
Avoids Bad TakesHPT 28.7%
19
Correct Decisions65.6%
43
SEAGER+ Plate Discipline100
45
Resists Breaking - horizontalwOBA 0.320 · small sample
small sample
Resists Breaking - verticalwOBA 0.245 · thin sample
thin sample
Resists ChangeupwOBA 0.301
Small sample
Resists Cutters + splitterswOBA 0.332 · thin sample
thin sample
Resists FastballwOBA 0.306
Small sample
Resists SinkerwOBA 0.373
Small sample

Context

projection · regression · matchup
Projected range--
RegressionNegative · -0.035
Opposing pitcherDavid Peterson
EnvironmentPitcher-Friendly
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)