Mithrandir Metrics
Player Seattle Mariners Refreshed Sep 28 06:00 AM ET
Player profile / Seattle Mariners

Emerson Hancock

P · Bats/Throws R/R · 6' 4", 213 lb · Age 27

Cards
23
Modules
1
Live Δ
yes
Club Seattle Mariners Position P Roster Current MLB team Status IL-15
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024444.751212060.2391.34
2025454.902216090.0641.38
2026783.5725250138.21261.14
4 Seasons15174.2462560301.12351.26
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.

2026-09-28
68
Pitching
percentile
Pitching9 metrics
55
Arsenal7 metrics
50
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-28
ERA preseason3.98
ERA current pace3.57
ERA rolling p503.69
Observed weight71%
ERA
2.48 3.05 3.69 4.33 4.90
FIP
3.18 3.60 4.07 4.54 4.97
K%
19.0% 20.0% 21.1% 22.2% 23.2%
BB%
5.0% 5.5% 6.1% 6.6% 7.1%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-28
Pitching · percentile strip
WHIP1.18
76
ERA3.57
68
BB%5.4%
93 +23 vs proj
K%22.1%
50 +27 vs proj
xwOBA allowed0.308
56 +34 vs proj
Barrel allowed8.7%
30
Fastball velo95.2
62
Hard-hit allowed42.0%
25
Whiff%21.0%
35
Mithrandir+

Stuff+ and arsenal context

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

2026-09-28
Fastball Stuff+110
94
Mithrandir Stuff+107
91
Sinker Stuff+113
100
Slider Stuff+96
15
Changeup Stuff+99
30
Curveball Stuff+97
3
Cutter Stuff+97
14
Rolling form chart

xwOBA allowed 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 allowed Hancock, Emerson · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.308 2026-09-14: 0.3082026-09-18: 0.3082026-09-19: 0.3082026-09-20: 0.3082026-09-21: 0.3082026-09-22: 0.3082026-09-23: 0.3082026-09-24: 0.3082026-09-25: 0.3082026-09-26: 0.3082026-09-27: 0.3082026-09-28: 0.308 2026-09-14 2026-09-28 xwOBA allowed 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.

6Pitches 2026Season 39%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 Hancock, Emerson · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 52%52%Whiff: 21%21%Called strike: 14%14%First pitch strike: 51%51%Hard hit allowed: 42%42% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2026 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 →

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hancock, Emerson · 2026 arsenal snapshot 4-Seam Fastball: 39.0%Sinker: 23.3%Sweeper: 16.3%Cutter: 11.9%Changeup: 5.1%Curveball: 4.3% FF39% · 95 mphprimary pitch FF 39%SI 23%ST 16%FC 12%CH 5%CU 4% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hancock, Emerson · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 39% usage, 5″ horizontal break, 21″ drop, 95.4 mphFF95 mphSinker: 23% usage, 4″ horizontal break, 30″ drop, 94.8 mphSI95 mphSweeper: 16% usage, 6″ horizontal break, 44″ drop, 77.3 mphST77 mphCutter: 12% usage, 2″ horizontal break, 33″ drop, 85.9 mphFC86 mphChangeup: 5% usage, 13″ horizontal break, 37″ drop, 87.0 mphCH87 mphCurveball: 4% usage, 12″ horizontal break, 54″ drop, 76.1 mphCU76 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 38.0% 555 110 qualified
SI 23.1% 337 113 qualified
SL 18.8% 275 96 qualified
FC 11.6% 169 97 limited sample
CH 5.3% 78 99 limited sample
CB 3.2% 47 97 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' 4"
Weight213 lb
Debut2023-08-09
Live layer

Delta / regression

ERA Δ-0.99
K% Δ+0.039

positive regression

Regression watch

Unlucky so far. Better days ahead.

0.6σ gap
wOBA-against (actual)0.324
xwOBA-against (deserved)0.308

Hancock’s wOBA-against sits at 0.324, but the quality of contact underneath says it should be 0.308 — a gap of 0.015, 0.6 standard deviations from the MLB norm over 141 IP. The results have been worse than the process deserves; as the sample grows, expect the numbers to climb back toward the underlying level.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching232026-08-28Four-Seam Fastball played up through FF/FC tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202618.2% K | 4.55 ERAProjection
2026-08-15 @ HOU2 ER / 8 K7.0 IP
2026-05-20 vs CWS2 ER / 4 K5.0 IP
2026-04-20 vs ATH3 ER / 3 K5.0 IP
2026-04-15 @ SD2 ER / 6 K6.0 IP
2026-04-04 @ LAA1 ER / 5 K6.2 IP