Mithrandir Metrics
TB 2026-08-20 Refreshed Sep 1 06:00 AM ET
Section III · Betting · Player detail · 2026-08-20

Chandler Simpson

TB · Hitter · bats L · age 26
IN · 1 Negative regression Neutral
MatchupTB vs TORShane Bieber
Sample857.0career MLB AB
PROPS 3 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 5.1
F 3.7
V 7.4
Model 3.5% Market 8.0% Gap -4.5pp
BetMGM 1150 tracking Open board
Total Bases 0.5
P 65.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 78.6% Market 79.6% Gap +14.6pp
BetMGM -390 tracking Open board
Hits 1.5
P 32.4
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 32.4% Market -- Gap +5.3pp
FanDuel 165 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%0.0%
1
Exit velocity80.8
2
Hard-hit%13.8%
1
xBA0.288
18
xSLG0.330
2
xwOBA0.266
15 -44 vs proj
BB%4.3%
11 -21 vs proj
Bat speed61.0
1
K%8.4%
99
Defense · percentile strip
Arm Runs-2.7 · LF
5
Arm Strength96.1 · LF
71
Outs Above Avg6.0 · LF
97
Range Runs6.1 · LF
93
Baserunning · percentile strip
Base Running Runs7.6 · LF
100
Bolts90.0 · LF
100
SB Success Rate81.8% · LF
55
Sprint Speed29.6 · LF
96
Mithrandir+ · percentile strip
Avoids Bad ChasesST 65.3%
49
Avoids Bad TakesHPT 28.5%
22
Correct Decisions64.4%
31
Resists FastballwOBA 0.330
67
SEAGER+ Plate Discipline98
35
Resists Breaking - horizontalwOBA 0.305 · small sample
small sample
Resists Breaking - verticalwOBA 0.282 · thin sample
thin sample
Resists ChangeupwOBA 0.271
Small sample
Resists Cutters + splitterswOBA 0.335 · thin sample
thin sample
Resists SinkerwOBA 0.360
Small sample

Context

projection · regression · matchup
Projected range0.284 to 0.339
RegressionNegative · -0.075
Opposing pitcherShane Bieber
EnvironmentNeutral
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)