Mithrandir Metrics
NYY 2026-09-04 Refreshed Sep 4 06:00 AM ET
Section III · Betting · Player detail · 2026-09-04

Jazz Chisholm Jr.

NYY · Hitter · bats L · age 28
IN · 5 Negative regression Pitcher-Friendly
MatchupNYY vs SDWalker Buehler
Sample2560.0career MLB AB
PROPS 2 available PERCENTILES 27 rows LINEUPS tracking; not posted NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.067, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.067, 14d stable. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.049, 14d error rising. This flags probability calibration, not a blanket model failure.
Hits · Palantir calibration review Last 14d ECE 0.047, 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 12.7
F 13.2
V 15.5
Model 17.2% Market 19.2% Gap -2.0pp
BetMGM 420 tracking Open board
Total Bases 0.5
P 62.2
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 76.5% Market 77.5% Gap +15.3pp
BetMGM -345 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%4.9%
52 -31 vs proj
Exit velocity89.5
72
Hard-hit%43.1%
72
xBA0.327
59
xSLG0.558
68
xwOBA0.294
39 -35 vs proj
BB%10.6%
74
Bat speed70.8
69
K%29.5%
18
Defense · percentile strip
Arm Runs-0.1 · 2B
26
Arm Strength83.6 · 2B
23
Outs Above Avg10.0 · 2B
96
Range Runs8.1 · 2B
94
Baserunning · percentile strip
Base Running Runs5.8 · 2B
98
Bolts7.0 · 2B
55
SB Success Rate88.6% · 2B
77
Sprint Speed28.3 · 2B
76
Mithrandir+ · percentile strip
Avoids Bad ChasesST 68.1%
63
Avoids Bad TakesHPT 27.1%
31
Correct Decisions66.1%
50
Resists FastballwOBA 0.323
78
SEAGER+ Plate Discipline101
54
Resists Breaking - horizontalwOBA 0.323 · small sample
small sample
Resists Breaking - verticalwOBA 0.256 · thin sample
thin sample
Resists ChangeupwOBA 0.316
Small sample
Resists Cutters + splitterswOBA 0.326 · thin sample
thin sample
Resists SinkerwOBA 0.355
Small sample

Context

projection · regression · matchup
Projected range0.276 to 0.362
RegressionNegative · -0.033
Opposing pitcherWalker Buehler
EnvironmentPitcher-Friendly
Lane calibration receipts
Lane Health 2026-09-04
Palantir 18372 props Brier 0.117 ECE 0.008 14d stable
Fangorn 18372 props Brier 0.117 ECE 0.008 14d stable
Valinor 12714 props Brier 0.112 ECE 0.004 14d stable
Palantir 1629 props Brier 0.248 ECE 0.007 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1125 props Brier 0.248 ECE 0.013 14d stable
Palantir 8804 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 700 props Brier 0.165 ECE 0.033 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 922 props Brier 0.256 ECE 0.059 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)