Mithrandir Metrics
KC 2026-06-13 Refreshed Jun 15 06:00 AM ET
Section III · Betting · Player detail · 2026-06-13

Michael Massey

KC · Hitter · bats L · age 28
IN · 7 Negative regression Neutral
MatchupKC vs HOU--
Sample1344.0career MLB AB
PROPS 1 available PERCENTILES 26 rows LINEUPS confirmed artifact NO PROSE templated rows only
Tonight's props · all markets for this player
Home Run --
Home Run · tracking

No production board publishes this player-market cell today.

Total Bases --
Total Bases · tracking

No production board publishes this player-market cell today.

Hits 0.5
P 98.0
F 98.0 EXPERIMENTAL
V -- in progress
PARTIAL - 2 of 3 lanes
Model 98.0% Market -- Gap +37.5pp
FanDuel 280 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%6.5%
68 +18 vs proj
Exit velocity89.8
68
Hard-hit%44.6%
70 +31 vs proj
xBA0.271
11
xSLG0.498
45
xwOBA0.279
22 -24 vs proj
BB%3.2%
5
Bat speed69.9
54
K%18.2%
74
Defense · percentile strip
Arm Runs-0.1 · 2B
18
Arm Strength85.2 · 2B
41
Outs Above Avg4.0 · 2B
92
Range Runs4.4 · 2B
93
Baserunning · percentile strip
Base Running Runs-0.9 · 2B
17
Sprint Speed26.8 · 2B
36
SB Success Rate100.0% · 2B
Small sample
Mithrandir+ · percentile strip
Avoids Bad ChasesST 59.5%
Small sample
Avoids Bad TakesHPT 28.3%
Small sample
Correct Decisions62.2%
Small sample
Resists Breaking - horizontalwOBA 0.270 · small sample
small sample
Resists Breaking - verticalwOBA 0.298 · thin sample
thin sample
Resists ChangeupwOBA 0.299
Small sample
Resists Cutters + splitterswOBA 0.341 · thin sample
thin sample
Resists FastballwOBA 0.326
Small sample
Resists SinkerwOBA 0.363
Small sample
SEAGER+ Plate Discipline92
Small sample

Context

projection · regression · matchup
Projected range0.275 to 0.351
RegressionNegative · -0.028
Opposing pitcher--
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-06-15
Palantir 5871 props Brier 0.127 ECE 0.006 14d stable
Fangorn 5871 props Brier 0.127 ECE 0.008 14d stable
Valinor 1176 props Brier 0.125 ECE 0.013 sample building
Palantir 49 props Brier 0.228 ECE 0.190 sample building
Fangorn 13 props Brier 0.239 ECE 0.139 sample building
Valinor 32 props Brier 0.236 ECE 0.220 sample building
Palantir 194 props Brier 0.262 ECE 0.207 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 2 props Brier 0.560 ECE 0.748 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 40 props Brier 0.249 ECE 0.040 sample building
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)