Mithrandir Metrics
Pitcher projection 2026 Refreshed Jun 15 06:00 AM ET
Pitcher projection / HOU · 2026

Okert, Steven

Late-inning arm with usable miss-bat shape

Primary
26.2% K%
Range
20.9% to 32.2%
Live Δ
yes
Team HOU Archetype Balanced reliever 2 Age 35 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.

2026-06-15
60
Pitching
percentile
Pitching9 metrics
59
Arsenal4 metrics
39
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-15
ERA preseason4.13
ERA current pace2.78
ERA rolling p503.63
Observed weight37%
ERA
2.53 3.05 3.63 4.20 4.72
FIP
2.81 3.22 3.67 4.11 4.52
K%
20.4% 22.2% 24.3% 26.3% 28.2%
BB%
6.3% 7.4% 8.6% 9.8% 10.8%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-15
Pitching · percentile strip
WHIP1.07
82
ERA2.78
76
BB%9.8%
36 -19 vs proj
K%21.0%
39 -38 vs proj
xwOBA allowed0.296
67
Barrel allowed6.4%
69 +27 vs proj
Fastball velo90.8
6
Hard-hit allowed27.7%
97
Whiff%24.0%
58 -15 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+.

2026-06-15
Slider Stuff+104
68
Fastball Stuff+99
27
Mithrandir Stuff+102
55
Sinker Stuff+91
7
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.

3Pitches 2026Season 67%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 Okert, Steven · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 0.296 2026-06-04: 0.3112026-06-05: 0.2992026-06-06: 0.2992026-06-07: 0.2992026-06-08: 0.2922026-06-09: 0.2922026-06-10: 0.2922026-06-11: 0.2922026-06-12: 0.2922026-06-13: 0.2922026-06-14: 0.2962026-06-15: 0.296 2026-06-04 2026-06-15 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 Okert, Steven · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 50%50%Whiff: 24%24%Called strike: 16%16%First pitch strike: 43%43%Hard hit allowed: 28%28% 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 Okert, Steven · 2026 arsenal snapshot Slider: 66.8%4-Seam Fastball: 28.0%Sinker: 5.2% SL67% · 81 mphprimary pitch SL 67%FF 28%SI 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Okert, Steven · 2026 arsenal snapshot 9″18″27″36″ Slider: 67% usage, 1″ horizontal break, 34″ drop, 80.6 mphSL81 mph4-Seam Fastball: 28% usage, 3″ horizontal break, 17″ drop, 90.8 mphFF91 mphSinker: 5% usage, 14″ horizontal break, 23″ drop, 90.9 mphSI91 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 68.7% 281 104 qualified
FB 28.6% 117 99 limited sample
SI 2.7% 11 91 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
Plays better against lefties right now (0.252 vs 0.286 xwOBA allowed split).
2
templated note
Primary mix entering the season: Slider 58%, 4-Seam Fastball 41%, Cutter 1%.
Live context

Current-season signal

ERA Δ-1.00
K% Δ-0.052
Sample34.7 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings66.6----
Batters Faced271----
K%26.2%20.9% to 32.2%+/- 5.7%
BB%8.2%5.7% to 11.8%+/- 3.1%
Whiff%26.2%22.1% to 31.7%+/- 4.8%
HR/91.350.75 to 1.89+/- 0.57
xwOBA Against0.2970.260 to 0.338+/- 0.039
Barrel% Allowed8.3%5.8% to 11.2%+/- 2.7%
ERA3.782.89 to 5.90+/- 1.50
FIP3.783.01 to 5.34+/- 1.17
WHIP1.1840.987 to 1.470+/- 0.242
Platoon / Shape
vs LHH

542 career BF

xwOBA0.252
K%26.4%
BB%6.8%
Barrel6.4%
vs RHH

772 career BF

xwOBA0.286
K%23.6%
BB%8.3%
Barrel8.7%