Mithrandir Metrics
Player Seattle Mariners Refreshed Jul 17 06:00 AM ET
Player profile / Seattle Mariners

Weston Wilson

3B · Bats/Throws R/R · 6' 3", 215 lb · Age 31

Cards
0
Modules
0
Live Δ
yes
Club Seattle Mariners Position 3B Roster Active Status Healthy / active roster
Traditional line

Season by season

3D Swing Sim Projections
PARHHRSBAVGOBPSLGOPS
202498132533.284.347.489.836
2025125152252.198.282.369.651
20266481224.211.297.333.630
4 Seasons30941641112.235.321.408.729
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.

2026-07-17
20
Offense
percentile
Offense9 metrics
25
Defense1 metrics
12
Speed1 metrics
55
Plate skills11 metrics
48
Rolling projection

Preseason / current pace / Bayesian update

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

2026-07-17
xwOBA preseason0.295
xwOBA current pace0.263
xwOBA rolling p500.287
Observed weight25%
xwOBA
0.243 0.264 0.287 0.309 0.330
wOBA
0.252 0.284 0.321 0.357 0.390
ISO
0.095 0.120 0.147 0.174 0.199
K%
20.0% 22.7% 25.7% 28.7% 31.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-07-17
Hitting · percentile strip
Barrel%2.7%
17 -37 vs proj
Exit velocity86.8
32
Hard-hit%31.1%
18 -43 vs proj
xBA0.276
12
xSLG0.441
26
xwOBA0.263
12 -20 vs proj
BB%8.0%
43
Bat speed68.9
38
K%26.7%
28
Defense · percentile strip
Outs Above Avg-3.0 · 3B
12
Arm Runs0.0 · 3B
Small sample
Range Runs-4.1 · 3B
Small sample
Baserunning · percentile strip
Sprint Speed27.6 · 3B
55
Mithrandir+

Stuff+ and arsenal context

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

2026-07-17
Avoids Bad ChasesST 68.1% · rebadged research
63
Avoids Bad TakesHPT 27.0% · rebadged research
32
Correct Decisions67.6% · rebadged research
64
Mithrandir Stuff+66
3
Resists Breaking - horizontalwOBA 0.281 · borderline
68
Resists Breaking - verticalwOBA 0.279 · insufficient sample
47
Resists ChangeupwOBA 0.274 · validated thin sample
70
Resists Cutters + splitterswOBA 0.336 · insufficient sample
40
Resists FastballwOBA 0.364 · validated
13
Resists SinkerwOBA 0.347 · validated
79
SEAGER+ Plate Discipline101
53
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 0.308 0.263 2026-07-06: 0.2642026-07-07: 0.2642026-07-08: 0.2642026-07-09: 0.2642026-07-10: 0.2642026-07-11: 0.2642026-07-12: 0.2642026-07-13: 0.2642026-07-14: 0.2632026-07-15: 0.2632026-07-16: 0.2632026-07-17: 0.263 2026-07-06 2026-07-17 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: 50%50%Chase: 28%28%Whiff: 32%32%Zone contact: 82%82%Contact: 68%68%Hard hit: 31%31% 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 88.9% 8 80 limited sample
CB 11.1% 1 20 limited sample
Method note

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

Reference layer

Current snapshot

Age31
Height6' 3"
Weight215 lb
Debut2023-08-09
Live layer

Delta / regression

xwOBA Δ-0.027
wOBA Δ+0.031
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
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