Mithrandir Metrics
Player Buffalo Bisons Refreshed Jun 12 06:00 AM ET
Player profile / Buffalo Bisons

Chase Lee

P · Bats/Throws R/R · 6' 0", 170 lb · Age 27

Cards
0
Modules
0
Live Δ
--
Club Buffalo Bisons Position P Roster Reassigned to Minors Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2025414.10320037.1361.10
2026008.103003.111.80
2 Seasons414.43350040.2371.16
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.

2026-06-12
33
Pitching
percentile
Arsenal4 metrics
33
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-12
ERA preseason4.25
ERA current pace8.10
ERA rolling p504.56
Observed weight8%
ERA
2.57 3.51 4.56 5.61 6.56
FIP
3.35 3.96 4.64 5.32 5.93
K%
15.7% 19.2% 23.1% 27.0% 30.5%
BB%
3.7% 5.5% 7.6% 9.7% 11.5%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-12
Mithrandir+

Stuff+ and arsenal context

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

2026-06-12
Fastball Stuff+87
2
Mithrandir Stuff+100
31
Sinker Stuff+109
94
Slider Stuff+91
4
Rolling form chart

xwOBA allowed snapshot line

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

0 snapshots
No chart yet

No Live State xwOBA snapshots are available for this player.

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.

4Pitches 2025Season 38%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 Pitch Zone Profile Lee, Chase · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 43%43%Whiff: 18%18%Called strike: 19%19%First pitch strike: 48%48%Hard hit allowed: 25%25% 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 Lee, Chase · 2025 arsenal snapshot Sinker: 38.2%Sweeper: 34.8%4-Seam Fastball: 21.0%Changeup: 6.0% SI38% · 89 mphprimary pitch SI 38%ST 35%FF 21%CH 6% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Lee, Chase · 2025 arsenal snapshot 12″24″36″48″ Sinker: 38% usage, 4″ horizontal break, 36″ drop, 88.9 mphSI89 mphSweeper: 35% usage, 2″ horizontal break, 38″ drop, 79.9 mphST80 mph4-Seam Fastball: 21% usage, 0″ horizontal break, 28″ drop, 89.5 mphFF89 mphChangeup: 6% usage, 12″ horizontal break, 42″ drop, 85.8 mphCH86 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 39.3% 22 109 limited sample
SL 35.7% 20 91 limited sample
FB 19.6% 11 87 limited sample
CH 5.4% 3 113 limited sample
Method note

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

Reference layer

Current snapshot

Age27
Height6' 0"
Weight170 lb
Debut2025-04-22
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Pitcher Projections 202622.4% K | 4.16 ERAProjection
2026-03-20 @ MIN0 ER / 0 K1.2 IP
2026-03-11 @ NYY0 ER / 0 K0.2 IP