Mithrandir Metrics
MIA 2026-05-19 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-05-19

Connor Norby

MIA · Hitter · bats R · age 26
IN · 7 Negative regression Pitcher-Friendly
MatchupMIA vs ATLMartín Pérez
Sample627.0career MLB AB
PROPS 1 available PERCENTILES 19 rows LINEUPS tracking; not posted 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 --
Home Run · tracking

No production board publishes this player-market cell today.

Total Bases 2.5
P 25.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 25.4% Market 26.8% Gap +2.8pp
FanDuel 280 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%6.5%
68
Exit velocity87.2
31
Hard-hit%36.4%
31
xBA0.308
33
xSLG0.526
54
xwOBA0.295
35
BB%9.5%
56 +35 vs proj
Bat speed68.3
32
K%29.0%
16
Defense · percentile strip
Arm Strength82.6 · 1B
27
Outs Above Avg3.0 · 1B
88
Range Runs2.5 · 1B
82
Baserunning · percentile strip
Base Running Runs0.2 · 1B
48
SB Success Rate71.4% · 1B
29
Sprint Speed28.1 · 1B
75
Mithrandir+ · percentile strip
Avoids Bad ChasesST 63.9%
29
Avoids Bad TakesHPT 20.2%
95
Correct Decisions70.1%
76
SEAGER+ Plate Discipline103
67

Context

projection · regression · matchup
Projected range0.272 to 0.382
RegressionNegative · -0.066
Opposing pitcherMartín Pérez
EnvironmentPitcher-Friendly
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)