Mithrandir Metrics
Player Pittsburgh Pirates Refreshed Jun 15 06:00 AM ET
Player profile / Pittsburgh Pirates

Evan Sisk

P · Bats/Throws L/L · 6' 2", 214 lb · Age 29

Cards
0
Modules
0
Live Δ
yes
Club Pittsburgh Pirates Position P Roster Active Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2025113.57190017.2251.47
2026101.80260030.0361.13
2 Seasons212.45450047.2611.26
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.

2026-06-15
78
Pitching
percentile
Pitching9 metrics
70
Arsenal6 metrics
14
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-15
ERA preseason3.59
ERA current pace1.86
ERA rolling p503.02
Observed weight33%
ERA
1.12 2.02 3.02 4.01 4.91
FIP
1.86 2.53 3.28 4.03 4.71
K%
20.1% 22.6% 25.3% 28.1% 30.6%
BB%
6.0% 7.7% 9.6% 11.5% 13.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-15
Pitching · percentile strip
WHIP1.22
63
ERA1.86
94
BB%9.2%
45 +19 vs proj
K%30.0%
92
xwOBA allowed0.248
96 +33 vs proj
Barrel allowed2.9%
96 +42 vs proj
Fastball velo91.1
7
Hard-hit allowed29.4%
95
Whiff%22.1%
44 -31 vs proj
Mithrandir+

Stuff+ and arsenal context

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

2026-06-15
Changeup Stuff+95
11
Curveball Stuff+101
34
Fastball Stuff+93
9
Mithrandir Stuff+94
12
Sinker Stuff+95
13
Slider Stuff+90
4
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 Sisk, Evan · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 0.248 2026-06-04: 0.2392026-06-05: 0.2392026-06-06: 0.2482026-06-07: 0.2482026-06-08: 0.2442026-06-09: 0.2442026-06-10: 0.2442026-06-11: 0.2442026-06-12: 0.2422026-06-13: 0.2482026-06-14: 0.2482026-06-15: 0.248 2026-06-04 2026-06-15 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.

5Pitches 2026Season 29%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 Sisk, Evan · Aggregate zone metrics; not pitch-by-pitch locations Edge: 37%37%Zone: 46%46%Whiff: 22%22%Called strike: 17%17%First pitch strike: 49%49%Hard hit allowed: 29%29% 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 Sisk, Evan · 2026 arsenal snapshot Sinker: 29.2%Curveball: 25.5%Sweeper: 19.3%4-Seam Fastball: 16.1%Changeup: 9.9% SI29% · 91 mphprimary pitch SI 29%CU 25%ST 19%FF 16%CH 10% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Sisk, Evan · 2026 arsenal snapshot 15″30″45″60″ Sinker: 29% usage, 3″ horizontal break, 28″ drop, 90.9 mphSI91 mphCurveball: 25% usage, 7″ horizontal break, 53″ drop, 77.1 mphCU77 mphSweeper: 19% usage, 9″ horizontal break, 38″ drop, 79.9 mphST80 mph4-Seam Fastball: 16% usage, 0″ horizontal break, 20″ drop, 91.5 mphFF91 mphChangeup: 10% usage, 14″ horizontal break, 36″ drop, 83.4 mphCH83 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 32.1% 142 95 limited sample
CB 24.2% 107 101 limited sample
SL 18.5% 82 90 limited sample
FB 14.2% 63 93 limited sample
CH 11.1% 49 95 limited sample
Method note

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

Reference layer

Current snapshot

Age29
Height6' 2"
Weight214 lb
Debut2025-04-15
Live layer

Delta / regression

ERA Δ-1.83
K% Δ+0.037
Mithrandir coverage

Module shelf

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

Available detail

Pitcher Projections 202626.3% K | 3.69 ERAProjection
2026-05-20 @ STL0 ER / 1 K1.0 IP
2026-04-13 vs WSH0 ER / 3 K2.0 IP