Mithrandir Metrics
Player Arizona Diamondbacks Refreshed Jun 2 06:00 AM ET
Player profile / Arizona Diamondbacks

Brandon Pfaadt

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

Cards
6
Modules
1
Live Δ
yes
Club Arizona Diamondbacks 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.

2026-06-02
ERA preseason4.55
ERA current pace5.60
ERA rolling p505.00
Observed weight43%
ERA
3.94 4.44 5.00 5.55 6.05
FIP
3.78 4.05 4.35 4.66 4.93
K%
17.8% 19.4% 21.1% 22.9% 24.4%
BB%
5.1% 5.8% 6.7% 7.5% 8.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Pitching · percentile strip
BB%8.4%
55 -31 vs proj
Barrel allowed10.4%
21 -18 vs proj
Fastball velo93.4
33
Hard-hit allowed40.0%
46
K%20.2%
35
Whiff%23.2%
51
xwOBA allowed0.347
21 -15 vs proj
Mithrandir+

Stuff+ and arsenal context

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

2026-06-02
Mithrandir Stuff+102
54
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 Pfaadt, Brandon · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-19: 0.3432026-05-21: 0.3432026-05-23: 0.3442026-05-24: 0.3442026-05-25: 0.3442026-05-26: 0.3442026-05-28: 0.3442026-05-29: 0.3442026-05-30: 0.3442026-05-31: 0.3472026-06-01: 0.3472026-06-02: 0.347 2026-05-19 2026-06-02 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 22%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 Pfaadt, Brandon · Aggregate zone metrics; not pitch-by-pitch locations Edge: 35%35%Zone: 47%47%Whiff: 23%23%Called strike: 16%16%First pitch strike: 55%55%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 Pfaadt, Brandon · 2026 arsenal snapshot Sinker: 22.2%Curveball: 20.4%4-Seam Fastball: 17.8%Sweeper: 14.8%Cutter: 13.9%Changeup: 10.9% MIX SI 22%CU 20%FF 18%ST 15%FC 14%CH 11% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Pfaadt, Brandon · 2026 arsenal snapshot SI: HB 0.6, IVB 2.0SICU: HB 0.4, IVB 4.3CUFF: HB -0.2, IVB 1.4FFST: HB -0.9, IVB 2.9STFC: HB -0.0, IVB 2.1FCCH: HB -0.9, IVB 2.7CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 21.5% 120 101 limited sample
CB 21.1% 118 100 limited sample
FB 18.2% 102 107 limited sample
SL 15.0% 84 97 limited sample
FC 14.0% 78 105 limited sample
CH 10.2% 57 104 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"
Weight220 lb
Debut2023-05-03
Live layer

Delta / regression

ERA Δ+0.87
K% Δ-0.013

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching62026-04-11Sinker played up through CU/FC tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202621.5% K | 4.73 ERAProjection
2026-05-20 vs SF0 ER / 0 K1.0 IP
2026-04-11 @ PHI3 ER / 6 K6.0 IP
2026-04-05 vs ATL3 ER / 2 K4.2 IP
2026-03-31 vs DET5 ER / 3 K6.0 IP