Mithrandir Metrics
Player Seattle Mariners Refreshed Sep 26 06:00 AM ET
Player profile / Seattle Mariners

Weston Wilson

3B · Bats/Throws R/R · 6' 3", 215 lb · Age 32

Cards
15
Modules
2
Live Δ
yes
Club Seattle Mariners Position 3B Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Swing Sim Projections
PARHHRSBAVGOBPSLGOPS
202498132533.284.347.489.836
2025125152252.198.282.369.651
2026179233346.206.291.313.604
4 Seasons42456851314.227.312.379.691
At a glance

Season percentile report

The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.

2026-09-26
21
Offense
percentile
Offense9 metrics
27
Defense4 metrics
30
Speed2 metrics
76
Plate skills12 metrics
44
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-09-26
xwOBA preseason0.295
xwOBA current pace0.255
xwOBA rolling p500.276
Observed weight46%
xwOBA
0.242 0.258 0.276 0.294 0.310
wOBA
0.250 0.270 0.292 0.314 0.334
ISO
0.094 0.113 0.133 0.153 0.172
K%
23.6% 25.7% 28.0% 30.3% 32.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-26
Hitting · percentile strip
Barrel%2.1%
13 -45 vs proj
Exit velocity85.4
23
Hard-hit%33.0%
27 -37 vs proj
xBA0.296
25
xSLG0.433
25
xwOBA0.255
11 -24 vs proj
BB%9.5%
63
Bat speed69.1
42
K%31.1%
13
Defense · percentile strip
Arm Runs0.0 · 3B
44
Arm Strength84.0 · 3B
24
Outs Above Avg0.0 · 3B
47
Range Runs-7.4 · 3B
6
Baserunning · percentile strip
SB Success Rate100.0% · 3B
93
Sprint Speed27.8 · 3B
59
Mithrandir+

Stuff+ and arsenal context

How nasty this pitcher's stuff grades in our pitch-level model. Missing coverage is shown explicitly.

2026-09-26
Avoids Bad ChasesST 69.8% · rebadged research
73
Avoids Bad TakesHPT 28.1% · rebadged research
24
Correct Decisions67.8% · rebadged research
68
Fastball Stuff+70
0
Mithrandir Stuff+64
2
Resists Breaking - horizontalwOBA 0.285 · borderline
60
Resists Breaking - verticalwOBA 0.277 · insufficient sample
60
Resists ChangeupwOBA 0.279 · validated thin sample
48
Resists Cutters + splitterswOBA 0.329 · insufficient sample
40
Resists FastballwOBA 0.345 · validated
36
Resists SinkerwOBA 0.352 · validated
63
SEAGER+ Plate Discipline102
57
Rolling form chart

xwOBA snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA Wilson, Weston · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.302 0.255 2026-09-12: 0.2522026-09-13: 0.2632026-09-14: 0.2612026-09-18: 0.2642026-09-19: 0.2642026-09-20: 0.2642026-09-21: 0.2602026-09-22: 0.2602026-09-23: 0.2602026-09-24: 0.2572026-09-25: 0.2572026-09-26: 0.255 2026-09-12 2026-09-26 xwOBA MITHRANDIR · CHARTS
Optimization map

Arsenal optimization map

Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.

2Pitches 2025Season 69%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Swing Zone Profile Wilson, Weston · Aggregate zone metrics; not pitch-by-pitch locations Zone: 49%49%Chase: 26%26%Whiff: 30%30%Zone contact: 82%82%Contact: 70%70%Hard hit: 33%33% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2025 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.

Watch the pitches in 3D →

2025
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Wilson, Weston · 2025 arsenal snapshot Eephus: 69.4%Other: 30.6% EP69% · 50 mphprimary pitch EP 69%FA 31% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Wilson, Weston · 2025 arsenal snapshot 24″48″72″96″ Eephus: 69% usage, 2″ horizontal break, 95″ drop, 49.8 mphEP50 mphOther: 31% usage, 3″ horizontal break, 62″ drop, 59.6 mphFA60 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 93.8% 15 70 limited sample
CB 6.2% 1 46 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Reference layer

Current snapshot

Age32
Height6' 3"
Weight215 lb
Debut2023-08-09
Live layer

Delta / regression

xwOBA Δ-0.035
wOBA Δ+0.002

negative regression

Regression watch

Running hot. Expect some cooling.

-1.1σ gap
wOBA (actual)0.292
xwOBA (deserved)0.255

Wilson’s wOBA sits at 0.292, but the quality of contact underneath says it should be 0.255 — a gap of 0.037, -1.1 standard deviations from the MLB norm over 190 PA. The results have outrun the underlying process; as the sample grows, expect the numbers to drift back toward the deserved level.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting12026-08-13Disciplined swing decisions drove the score
Fielding142026-09-201 chances | 0 difficult plays | Run Exp -0.095
Projection links / recent games

Available detail

Hitter Projections 20260.290 xwOBA | 9 HRProjection
2026-05-20 @ TB0 HR | 0 RBI / 0 Ch | 0 E0-2
2026-04-20 @ KC0 HR | 0 RBI / 3 Ch | 0 E0-2 | BB, 2 K, R
2026-04-17 @ CLE0 HR | 2 RBI / 0 Ch | 0 E1-1 | 2B, 2 RBI, R
2026-04-15 vs AZ0 HR | 0 RBI / 0 Ch | 0 E1-3 | K, R