Mithrandir Metrics
Pitcher projection 2026 Refreshed Aug 31 06:00 AM ET
Pitcher projection / DET · 2026

Waguespack, Jacob

Run-prevention profile built on workable command

Primary
21.4% K%
Range
14.6% to 27.8%
Live Δ
yes
Team DET Archetype Offspeed mix artist Age 33 Status Healthy / active roster
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.

2026-08-31
65
Pitching
percentile
Pitching9 metrics
62
Arsenal5 metrics
38
Rolling projection

Preseason / current pace / Bayesian update

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

2026-08-31
ERA preseason3.93
ERA current pace2.48
ERA rolling p503.41
Observed weight35%
ERA
1.96 2.65 3.41 4.17 4.86
FIP
3.17 3.79 4.48 5.17 5.79
K%
13.7% 15.8% 18.2% 20.5% 22.7%
BB%
5.9% 7.3% 8.8% 10.4% 11.8%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-08-31
Pitching · percentile strip
WHIP0.90
97
ERA2.48
90
BB%9.1%
48
K%15.2%
7 -38 vs proj
xwOBA allowed0.280
84
Barrel allowed6.1%
71 +18 vs proj
Fastball velo92.8
24
Hard-hit allowed32.7%
88
Whiff%22.4%
47 -34 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+.

2026-08-31
Changeup Stuff+98
23
Curveball Stuff+102
51
Cutter Stuff+100
32
Fastball Stuff+102
49
Mithrandir Stuff+100
36
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 44%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 Waguespack, Jacob · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.280 2026-08-20: 0.2522026-08-21: 0.2522026-08-22: 0.2522026-08-23: 0.2522026-08-24: 0.2522026-08-25: 0.2732026-08-26: 0.2732026-08-27: 0.2712026-08-28: 0.2712026-08-29: 0.2712026-08-30: 0.2782026-08-31: 0.280 2026-08-20 2026-08-31 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 Waguespack, Jacob · Aggregate zone metrics; not pitch-by-pitch locations Edge: 33%33%Zone: 48%48%Whiff: 22%22%Called strike: 16%16%First pitch strike: 51%51%Hard hit allowed: 33%33% 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 Waguespack, Jacob · 2026 arsenal snapshot 4-Seam Fastball: 44.3%Cutter: 32.0%Changeup: 18.9%Curveball: 4.9% FF44% · 93 mphprimary pitch FF 44%FC 32%CH 19%CU 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Waguespack, Jacob · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 44% usage, 0″ horizontal break, 13″ drop, 92.8 mphFF93 mphCutter: 32% usage, 2″ horizontal break, 31″ drop, 86.7 mphFC87 mphChangeup: 19% usage, 3″ horizontal break, 29″ drop, 84.3 mphCH84 mphCurveball: 5% usage, 0″ horizontal break, 57″ drop, 76.4 mphCU76 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 43.0% 98 102 limited sample
FC 32.0% 73 100 limited sample
CH 18.4% 42 98 limited sample
CB 6.6% 15 102 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
Volume stays relief-shaped even when the bat-miss traits are strong.
2
templated note
Primary mix entering the season: Cutter 46%, 4-Seam Fastball 35%, Changeup 15%.
Live context

Current-season signal

ERA Δ-1.20
K% Δ-0.062
Sample33.3 IP

negative regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings35.1----
Batters Faced155----
K%21.4%14.6% to 27.8%+/- 6.6%
BB%9.2%5.2% to 13.7%+/- 4.3%
Whiff%26.9%20.2% to 35.3%+/- 7.5%
HR/91.240.41 to 1.89+/- 0.74
xwOBA Against0.2870.185 to 0.356+/- 0.085
Barrel% Allowed7.3%1.6% to 11.4%+/- 4.9%
ERA3.772.05 to 5.98+/- 1.97
FIP3.562.16 to 5.72+/- 1.78
WHIP1.2710.885 to 1.637+/- 0.376
Platoon / Shape
vs LHH

229 career BF

xwOBA0.208
K%16.9%
BB%9.5%
Barrel4.6%
vs RHH

280 career BF

xwOBA0.198
K%17.9%
BB%7.4%
Barrel4.6%