Mithrandir Metrics
MIN 2026-07-19 Refreshed Jul 20 06:00 AM ET
Section III · Betting · Player detail · 2026-07-19

Ryan Jeffers

MIN · Hitter · bats R · age 29
IN · 2 Negative regression Neutral
MatchupMIN vs CHCShota Imanaga
Sample1775.0career MLB AB
PROPS 3 available PERCENTILES 24 rows LINEUPS confirmed artifact NO PROSE templated rows only
Palantir calibration review active Last 14d ECE 0.097, 14d error rising. This flags probability calibration, not a blanket model failure.
Valinor calibration review active Last 14d ECE 0.076, 14d stable. This flags probability calibration, not a blanket model failure.
Palantir calibration review active Last 14d ECE 0.065, 14d error rising. This flags probability calibration, not a blanket model failure.
Palantir calibration review active Last 14d ECE 0.082, 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 12.8
F 12.2
V 11.2
Model 17.8% Market 12.5% Gap +5.0pp
DraftKings 675 tracking Open board
Total Bases 0.5
P 55.6
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 55.6% Market 72.2% Gap +9.6pp
FanDuel 135 tracking Open board
Hits 1.5
P 17.8
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 17.8% Market -- Gap +7.2pp
FanDuel 300 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%10.0%
96 +39 vs proj
Exit velocity89.9
72
Hard-hit%40.2%
56
xBA0.320
50
xSLG0.601
76
xwOBA0.383
97 +32 vs proj
BB%13.3%
90 +38 vs proj
Bat speed71.0
72
K%15.0%
87 +24 vs proj
Defense · percentile strip
Blocking Runs0.3 · C
69
Catcher Throwing-1.3 · C
15
Framing Runs0.9 · C
64
Pop Time2.0 · C
34
Baserunning · percentile strip
Sprint Speed26.5 · C
27
Mithrandir+ · percentile strip
Avoids Bad ChasesST 73.8%
Small sample
Avoids Bad TakesHPT 27.5%
Small sample
Correct Decisions67.2%
Small sample
Resists Breaking - horizontalwOBA 0.325 · small sample
small sample
Resists Breaking - verticalwOBA 0.279 · thin sample
thin sample
Resists ChangeupwOBA 0.279
Small sample
Resists Cutters + splitterswOBA 0.361 · thin sample
thin sample
Resists FastballwOBA 0.338
Small sample
Resists SinkerwOBA 0.423
Small sample
SEAGER+ Plate Discipline106
Small sample

Context

projection · regression · matchup
Projected range0.291 to 0.362
RegressionNegative · -0.080
Opposing pitcherShota Imanaga
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-07-20
Palantir 10059 props Brier 0.124 ECE 0.010 14d stable
Fangorn 10059 props Brier 0.124 ECE 0.011 14d stable
Valinor 4464 props Brier 0.118 ECE 0.006 14d stable
Palantir 860 props Brier 0.248 ECE 0.035 14d error rising
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 356 props Brier 0.249 ECE 0.041 14d stable
Palantir 4739 props Brier 0.240 ECE 0.076 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 288 props Brier 0.176 ECE 0.047 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 462 props Brier 0.260 ECE 0.055 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)