Mithrandir Metrics
Player Kansas City Royals Refreshed Jun 1 06:00 AM ET
Player profile / Kansas City Royals

John Schreiber

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

Cards
0
Modules
0
Live Δ
yes
Club Kansas City Royals Position P Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-01
ERA preseason4.07
ERA current pace2.95
ERA rolling p503.72
Observed weight31%
ERA
2.30 2.98 3.72 4.47 5.14
FIP
3.57 3.93 4.33 4.73 5.10
K%
15.0% 17.2% 19.6% 22.0% 24.1%
BB%
7.3% 8.6% 10.1% 11.5% 12.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%11.0%
23 -24 vs proj
Barrel allowed6.4%
68 +17 vs proj
Fastball velo92.7
24
Hard-hit allowed39.7%
47
K%14.7%
6 -36 vs proj
Whiff%21.2%
34
xwOBA allowed0.354
14 -30 vs proj
Mithrandir+

Stuff+ and arsenal context

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

2026-06-01
Mithrandir Stuff+101
41
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 Schreiber, John · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3842026-05-19: 0.3842026-05-21: 0.3612026-05-23: 0.3612026-05-24: 0.3612026-05-25: 0.3662026-05-26: 0.3662026-05-28: 0.3622026-05-29: 0.3622026-05-30: 0.3622026-05-31: 0.3622026-06-01: 0.354 2026-05-17 2026-06-01 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 25%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 Schreiber, John · Aggregate zone metrics; not pitch-by-pitch locations Edge: 33%33%Zone: 47%47%Whiff: 21%21%Called strike: 17%17%First pitch strike: 47%47%Hard hit allowed: 40%40% 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 Schreiber, John · 2026 arsenal snapshot 4-Seam Fastball: 24.7%Sinker: 23.3%Sweeper: 23.3%Cutter: 16.2%Changeup: 12.5% MIX FF 25%SI 23%ST 23%FC 16%CH 12% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Schreiber, John · 2026 arsenal snapshot FF: HB -0.2, IVB 1.8FFSI: HB 0.5, IVB 2.8SIST: HB -0.5, IVB 3.3STFC: HB -0.0, IVB 2.5FCCH: HB -0.6, IVB 3.4CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 25.3% 90 99 limited sample
SI 23.6% 84 104 limited sample
SL 22.8% 81 93 limited sample
FC 16.9% 60 103 limited sample
CH 11.5% 41 104 limited sample
Method note

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

Reference layer

Current snapshot

Age32
Height6' 2"
Weight224 lb
Debut2019-08-09
Live layer

Delta / regression

ERA Δ-0.88
K% Δ-0.065
Mithrandir coverage

Module shelf

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

Available detail

Pitcher Projections 202621.2% K | 3.83 ERAProjection
2026-04-20 vs BAL0 ER / 0 K0.2 IP
2026-04-12 vs CWS1 ER / 1 K1.0 IP
2026-04-09 vs CWS0 ER / 0 K0.2 IP
2026-04-07 @ CLE1 ER / 0 K0.1 IP
2026-04-04 vs MIL0 ER / 0 K1.0 IP