Mithrandir Metrics
Player Philadelphia Phillies Refreshed Jun 2 06:00 AM ET
Player profile / Philadelphia Phillies

Kyle Backhus

P profile with live context, projection links, and Mithrandir card history when available.

Cards
1
Modules
1
Live Δ
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Club Philadelphia Phillies Position P Roster Injured 15-Day Status IL-15
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-02
ERA preseason4.10
ERA current pace4.66
ERA rolling p504.20
Observed weight17%
ERA
2.53 3.32 4.20 5.08 5.87
FIP
3.19 3.67 4.20 4.73 5.21
K%
14.4% 16.8% 19.6% 22.3% 24.8%
BB%
3.8% 5.2% 6.7% 8.2% 9.6%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-02
Mithrandir Stuff+106
80
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.

3Pitches 2026Season 61%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 Backhus, Kyle · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 55%55%Whiff: 14%14%Called strike: 25%25%First pitch strike: 56%56%Hard hit allowed: 37%37% 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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Backhus, Kyle · 2026 arsenal snapshot Sinker: 60.8%Sweeper: 31.4%Changeup: 7.7% MIX SI 61%ST 31%CH 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Backhus, Kyle · 2026 arsenal snapshot SI: HB -0.4, IVB 2.7SIST: HB 0.1, IVB 3.5STCH: HB -1.2, IVB 3.3CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 57.1% 92 108 limited sample
SL 34.2% 55 98 limited sample
CH 8.7% 14 92 limited sample
Method note

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

Reference layer

Current snapshot

Age28
Height6' 4"
Weight185 lb
Debut2025-06-08
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching12026-04-22Stuff and strike quality carried the outing
Projection links / recent games

Available detail

Pitcher Projections 202619.3% K | 4.08 ERAProjection
2026-04-20 @ CHC0 ER / 1 K0.2 IP
2026-04-15 vs CHC1 ER / 3 K1.2 IP
2026-04-05 @ COL0 ER / 2 K1.0 IP
2026-04-03 @ COL0 ER / 1 K0.2 IP
2026-03-29 vs TEX0 ER / 1 K1.0 IP