Mithrandir Metrics
Pitcher projection 2026 Refreshed Sep 2 06:00 AM ET
Pitcher projection / PHI · 2026

Wheeler, Zack

Bat-missing starter with frontline strikeout shape

Primary
27.5% K%
Range
21.9% to 33.7%
Live Δ
yes
Team PHI Archetype Breaking-ball attack Age 36 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.

2026-09-02
80
Pitching
percentile
Pitching9 metrics
76
Arsenal6 metrics
63
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-02
ERA preseason3.11
ERA current pace3.40
ERA rolling p503.31
Observed weight69%
ERA
2.41 2.84 3.31 3.78 4.20
FIP
3.15 3.34 3.56 3.78 3.98
K%
26.5% 27.6% 28.8% 30.1% 31.2%
BB%
5.8% 6.3% 6.9% 7.6% 8.1%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-02
Pitching · percentile strip
WHIP1.11
85
ERA3.40
69
BB%7.8%
65 -23 vs proj
K%29.4%
91
xwOBA allowed0.270
89
Barrel allowed6.2%
70 +34 vs proj
Fastball velo95.0
58
Hard-hit allowed35.2%
74
Whiff%27.4%
82
Mithrandir+

Stuff+ and arsenal context

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

2026-09-02
Fastball Stuff+109
92
Mithrandir Stuff+106
83
Sinker Stuff+106
84
Curveball Stuff+99
12
Cutter Stuff+105
77
Slider Stuff+99
30
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 35%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 Wheeler, Zack · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.270 2026-08-22: 0.2602026-08-23: 0.2602026-08-24: 0.2602026-08-25: 0.2712026-08-26: 0.2712026-08-27: 0.2712026-08-28: 0.2712026-08-29: 0.2712026-08-30: 0.2712026-08-31: 0.2702026-09-01: 0.2702026-09-02: 0.270 2026-08-22 2026-09-02 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 Wheeler, Zack · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 42%42%Whiff: 27%27%Called strike: 14%14%First pitch strike: 54%54%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 Wheeler, Zack · 2026 arsenal snapshot 4-Seam Fastball: 35.5%Sinker: 15.7%Split-Finger: 15.4%Sweeper: 14.3%Cutter: 10.4%Curveball: 8.8% FF35% · 95 mphprimary pitch FF 35%SI 16%FS 15%ST 14%FC 10%CU 9% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Wheeler, Zack · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 35% usage, 4″ horizontal break, 16″ drop, 95.2 mphFF95 mphSinker: 16% usage, 12″ horizontal break, 23″ drop, 94.7 mphSI95 mphSplit-Finger: 15% usage, 10″ horizontal break, 33″ drop, 87.3 mphFS87 mphSweeper: 14% usage, 8″ horizontal break, 42″ drop, 81.3 mphST81 mphCutter: 10% usage, 0″ horizontal break, 24″ drop, 90.8 mphFC91 mphCurveball: 9% usage, 11″ horizontal break, 54″ drop, 79.9 mphCU80 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 42.0% 496 109 qualified
SI 18.6% 220 106 qualified
SL 16.0% 189 99 limited sample
FC 12.6% 149 105 limited sample
CB 10.8% 127 99 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
Needs the arsenal to hold up against lefties (0.267 vs 0.239 xwOBA allowed split).
pitcher
2
templated note
Home park slightly inflates the home-run risk band.
pitcher
3
templated note
Primary mix entering the season: 4-Seam Fastball 41%, Sinker 17%, Sweeper 15%.
pitcher
Live context

Current-season signal

ERA Δ+0.17
K% Δ+0.019
Sample128.3 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings145.9----
Batters Faced581----
K%27.5%21.9% to 33.7%+/- 5.9%
BB%6.2%4.2% to 8.1%+/- 1.9%
Whiff%25.7%22.6% to 30.6%+/- 4.0%
HR/91.220.93 to 1.88+/- 0.48
xwOBA Against0.2880.257 to 0.300+/- 0.022
Barrel% Allowed8.3%5.2% to 10.9%+/- 2.9%
ERA3.232.13 to 4.80+/- 1.34
FIP3.382.45 to 3.67+/- 0.61
WHIP1.0500.814 to 1.341+/- 0.263
Platoon / Shape
vs LHH

3150 career BF

xwOBA0.267
K%26.8%
BB%6.7%
Barrel9.2%
vs RHH

3137 career BF

xwOBA0.239
K%27.7%
BB%4.6%
Barrel6.1%