Mithrandir Metrics
PIT 2026-07-28 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-07-28

Ryan O'Hearn

PIT · Hitter
IN · 5 Negative regression Neutral
MatchupPIT vs AZBrandon Pfaadt
Sample2564.0career MLB AB
PROPS 3 available PERCENTILES 25 rows LINEUPS confirmed artifact NO PROSE templated rows only
Strikeouts · Palantir calibration review Last 14d ECE 0.053, 14d stable. This flags probability calibration, not a blanket model failure.
Strikeouts · Valinor calibration review Last 14d ECE 0.068, 14d stable. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.053, 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 13.1
F 15.5
V 11.7
Model 18.8% Market 13.1% Gap +5.3pp
DraftKings 640 tracking Open board
Total Bases 0.5
P 63.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 77.0% Market 78.0% Gap +14.6pp
BetMGM -355 tracking Open board
Hits 1.5
P 24.7
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 24.7% Market -- Gap +9.8pp
FanDuel 190 tracking Open board
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%5.8%
64
Exit velocity89.8
74
Hard-hit%45.1%
77
xBA0.346
75
xSLG0.563
67
xwOBA0.329
71
BB%8.1%
46
Bat speed69.1
41
K%22.5%
50
Defense · percentile strip
Arm Runs-1.2 · RF
21
Arm Strength84.8 · RF
2
Outs Above Avg0.0 · RF
47
Range Runs-3.3 · RF
17
Baserunning · percentile strip
Base Running Runs-3.1 · RF
2
Sprint Speed26.7 · RF
31
Mithrandir+ · percentile strip
Avoids Bad ChasesST 65.7%
51
Avoids Bad TakesHPT 29.2%
16
Correct Decisions63.5%
25
SEAGER+ Plate Discipline97
32
Resists Breaking - horizontalwOBA 0.297 · small sample
small sample
Resists Breaking - verticalwOBA 0.247 · thin sample
thin sample
Resists ChangeupwOBA 0.278
Small sample
Resists Cutters + splitterswOBA 0.328 · thin sample
thin sample
Resists FastballwOBA 0.401
Small sample
Resists SinkerwOBA 0.390
Small sample

Context

projection · regression · matchup
Projected range--
RegressionNegative · -0.035
Opposing pitcherBrandon Pfaadt
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-09-02
Palantir 18081 props Brier 0.118 ECE 0.008 14d stable
Fangorn 18081 props Brier 0.118 ECE 0.009 14d stable
Valinor 12423 props Brier 0.112 ECE 0.004 14d stable
Palantir 1591 props Brier 0.247 ECE 0.006 14d stable
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1087 props Brier 0.248 ECE 0.016 14d stable
Palantir 8613 props Brier 0.238 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 683 props Brier 0.163 ECE 0.031 14d stable
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 900 props Brier 0.256 ECE 0.059 14d error falling
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)