Mithrandir Metrics
Pitcher projection 2026 Refreshed Jun 1 06:00 AM ET
Pitcher projection / CIN · 2026

Burke, Brock

Run-prevention profile built on workable command

Primary
22.5% K%
Range
17.9% to 28.3%
Live Δ
yes
Team CIN Archetype Balanced reliever Age 30 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 pace3.60
ERA rolling p503.90
Observed weight37%
ERA
2.81 3.32 3.90 4.47 4.99
FIP
3.84 4.13 4.44 4.76 5.05
K%
18.6% 20.3% 22.3% 24.2% 25.9%
BB%
7.6% 8.7% 9.9% 11.0% 12.1%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%14.1%
7 -60 vs proj
Barrel allowed10.7%
18 -28 vs proj
Fastball velo95.5
70
Hard-hit allowed34.5%
78
K%21.1%
40
Whiff%25.5%
68 +20 vs proj
xwOBA allowed0.340
25 -35 vs proj
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.

2026-06-01
Mithrandir Stuff+102
52
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 2026Season 41%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
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 Burke, Brock · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3202026-05-19: 0.3282026-05-21: 0.3262026-05-23: 0.3402026-05-24: 0.3462026-05-25: 0.3452026-05-26: 0.3432026-05-28: 0.3402026-05-29: 0.3402026-05-30: 0.3402026-05-31: 0.3402026-06-01: 0.340 2026-05-17 2026-06-01 xwOBA allowed MITHRANDIR · CHARTS
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 Burke, Brock · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 47%47%Whiff: 26%26%Called strike: 17%17%First pitch strike: 46%46%Hard hit allowed: 35%35% 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 Burke, Brock · 2026 arsenal snapshot 4-Seam Fastball: 40.9%Slider: 28.1%Changeup: 18.2%Sinker: 12.8% MIX FF 41%SL 28%CH 18%SI 13% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Burke, Brock · 2026 arsenal snapshot FF: HB -0.1, IVB 1.2FFSL: HB -0.0, IVB 2.7SLCH: HB -1.2, IVB 2.3CHSI: HB 1.1, IVB 1.6SI horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 40.9% 176 106 limited sample
SL 28.8% 124 101 limited sample
CH 18.6% 80 107 limited sample
SI 11.6% 50 86 limited sample
Method note

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

Model read

Projection notes

1
templated note
Home park slightly inflates the home-run risk band.
2
templated note
Primary mix entering the season: 4-Seam Fastball 43%, Slider 27%, Changeup 22%.
Live context

Current-season signal

ERA Δ-0.29
K% Δ-0.013
Sample30.3 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings65.2----
Batters Faced280----
K%22.5%17.9% to 28.3%+/- 5.2%
BB%7.6%5.5% to 10.9%+/- 2.7%
Whiff%22.9%19.9% to 27.2%+/- 3.7%
HR/91.361.16 to 2.43+/- 0.64
xwOBA Against0.3030.275 to 0.343+/- 0.034
Barrel% Allowed8.0%5.7% to 10.8%+/- 2.5%
ERA3.892.86 to 5.84+/- 1.49
FIP3.963.24 to 4.89+/- 0.83
WHIP1.2941.089 to 1.632+/- 0.272
Platoon / Shape
vs LHH

382 career BF

xwOBA0.278
K%20.3%
BB%6.4%
Barrel6.0%
vs RHH

797 career BF

xwOBA0.294
K%19.6%
BB%7.1%
Barrel8.2%