Mithrandir Metrics
Player Arizona Diamondbacks Refreshed Jun 12 06:00 AM ET
Player profile / Arizona Diamondbacks

Paul Sewald

P · Bats/Throws R/R · 6' 3", 219 lb · Age 36

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

Season by season

WLERAGGSSVIPSOWHIP
2024124.314201639.2431.13
2025114.58220219.2201.22
2026243.202801625.1280.71
10 Seasons23304.064090102421.14981.12
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.

2026-06-12
81
Pitching
percentile
Pitching9 metrics
65
Arsenal3 metrics
83
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-12
ERA preseason4.03
ERA current pace3.47
ERA rolling p503.86
Observed weight30%
ERA
2.05 2.90 3.86 4.81 5.67
FIP
3.16 3.53 3.95 4.37 4.75
K%
19.1% 22.0% 25.2% 28.4% 31.3%
BB%
5.0% 6.3% 7.8% 9.3% 10.6%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-12
Pitching · percentile strip
WHIP0.74
99
ERA3.47
57
BB%6.7%
77 +26 vs proj
K%26.9%
81 +21 vs proj
xwOBA allowed0.264
91 +25 vs proj
Barrel allowed7.6%
50 +18 vs proj
Fastball velo91.4
10
Hard-hit allowed37.9%
58
Whiff%24.0%
59
Mithrandir+

Stuff+ and arsenal context

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

2026-06-12
Fastball Stuff+107
81
Mithrandir Stuff+108
91
Slider Stuff+105
77
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 Sewald, Paul · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.264 2026-06-01: 0.2702026-06-02: 0.2652026-06-03: 0.2652026-06-04: 0.2652026-06-05: 0.2642026-06-06: 0.2642026-06-07: 0.2642026-06-08: 0.2642026-06-09: 0.2642026-06-10: 0.2642026-06-11: 0.2642026-06-12: 0.264 2026-06-01 2026-06-12 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.

2Pitches 2026Season 60%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 Sewald, Paul · Aggregate zone metrics; not pitch-by-pitch locations Edge: 33%33%Zone: 52%52%Whiff: 24%24%Called strike: 16%16%First pitch strike: 51%51%Hard hit allowed: 38%38% 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 Sewald, Paul · 2026 arsenal snapshot 4-Seam Fastball: 60.5%Sweeper: 39.5% FF60% · 91 mphprimary pitch FF 60%ST 40% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Sewald, Paul · 2026 arsenal snapshot 9″18″27″36″ 4-Seam Fastball: 60% usage, 2″ horizontal break, 21″ drop, 91.4 mphFF91 mphSweeper: 40% usage, 1″ horizontal break, 34″ drop, 82.9 mphST83 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 61.0% 211 107 qualified
SL 39.0% 135 105 limited sample
Method note

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

Reference layer

Current snapshot

Age36
Height6' 3"
Weight219 lb
Debut2017-04-08
Live layer

Delta / regression

ERA Δ-0.44
K% Δ+0.030
Mithrandir coverage

Module shelf

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

Available detail

Pitcher Projections 202623.9% K | 3.91 ERAProjection
2026-05-20 vs SF0 ER / 1 K1.0 IP
2026-04-17 vs TOR0 ER / 1 K1.0 IP
2026-04-14 @ BAL0 ER / 1 K1.0 IP
2026-04-12 @ PHI0 ER / 2 K1.0 IP
2026-04-07 @ NYM0 ER / 0 K0.1 IP