Mithrandir Metrics
MIN 2026-08-18 Refreshed Sep 2 06:00 AM ET
Section III · Betting · Player detail · 2026-08-18

Byron Buxton

MIN · Hitter · bats R · age 33
IN · 3 Negative regression Neutral
MatchupMIN vs ATLTyler Mahle
Sample--career MLB AB
PROPS 3 available PERCENTILES 21 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 12.9
F 13.3
V 14.5
Model 16.8% Market 21.1% Gap -4.3pp
BetMGM 375 tracking Open board
Total Bases 0.5
P 60.7
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 73.1% Market 74.0% Gap +13.3pp
BetMGM -285 tracking Open board
Hits 1.5
P 20.9
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 20.9% Market -- Gap +9.4pp
FanDuel 230 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%11.8%
99
Exit velocity90.4
81
Hard-hit%47.5%
86
xBA0.338
71
xSLG0.678
93
xwOBA0.344
85
BB%7.4%
37
Bat speed72.6
85
K%24.6%
38
Defense · percentile strip
Arm Runs-1.3 · CF
22
Arm Strength95.9 · CF
70
Outs Above Avg3.0 · CF
94
Range Runs2.5 · CF
75
Baserunning · percentile strip
Base Running Runs0.2 · CF
46
Bolts34.0 · CF
90
Sprint Speed29.8 · CF
98
SB Success Rate100.0% · CF
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 62.1%
33
Avoids Bad TakesHPT 21.1%
84
Correct Decisions66.9%
59
SEAGER+ Plate Discipline101
55

Context

projection · regression · matchup
Projected range0.299 to 0.365
RegressionNegative · -0.036
Opposing pitcherTyler Mahle
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)