Mithrandir Metrics
Pitcher projection 2026 Refreshed Sep 5 06:00 AM ET
Pitcher projection / HOU · 2026

Abreu, Bryan

High-leverage relief profile with bat-miss

Primary
31.0% K%
Range
24.7% to 40.4%
Live Δ
yes
Team HOU Archetype Balanced reliever 2 Age 29 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.

2026-09-05
43
Pitching
percentile
Pitching9 metrics
56
Arsenal4 metrics
20
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-05
ERA preseason3.20
ERA current pace3.93
ERA rolling p503.58
Observed weight51%
ERA
2.10 2.80 3.58 4.35 5.05
FIP
2.45 3.10 3.83 4.55 5.20
K%
26.6% 28.6% 30.8% 33.0% 35.1%
BB%
11.4% 12.7% 14.1% 15.5% 16.8%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-05
Pitching · percentile strip
WHIP1.46
26
ERA3.93
54
BB%18.2%
1 -35 vs proj
K%28.9%
89
xwOBA allowed0.315
47 -40 vs proj
Barrel allowed5.5%
81 +45 vs proj
Fastball velo95.6
68
Hard-hit allowed39.8%
40
Whiff%31.3%
96
Mithrandir+

Stuff+ and arsenal context

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

2026-09-05
Fastball Stuff+94
9
Mithrandir Stuff+97
16
Slider Stuff+102
52
Cutter Stuff+91
2
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 46%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 Abreu, Bryan · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.315 2026-08-25: 0.3112026-08-26: 0.3112026-08-27: 0.3172026-08-28: 0.3172026-08-29: 0.3172026-08-30: 0.3132026-08-31: 0.3162026-09-01: 0.3172026-09-02: 0.3172026-09-03: 0.3172026-09-04: 0.3132026-09-05: 0.315 2026-08-25 2026-09-05 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 Abreu, Bryan · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 42%42%Whiff: 31%31%Called strike: 18%18%First pitch strike: 47%47%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 Abreu, Bryan · 2026 arsenal snapshot Slider: 45.6%4-Seam Fastball: 44.4%Cutter: 9.6%Changeup: 0.4% SL46% · 86 mphprimary pitch SL 46%FF 44%FC 10%CH 0% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Abreu, Bryan · 2026 arsenal snapshot 12″24″36″48″ Slider: 46% usage, 0″ horizontal break, 42″ drop, 86.5 mphSL86 mph4-Seam Fastball: 44% usage, 0″ horizontal break, 14″ drop, 95.6 mphFF96 mphCutter: 10% usage, 0″ horizontal break, 20″ drop, 92.9 mphFC93 mphChangeup: 0% usage, 13″ horizontal break, 26″ drop, 90.2 mphCH90 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 48.9% 328 94 qualified
SL 43.5% 292 102 qualified
FC 7.5% 50 91 limited sample
CH 0.1% 1 98 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: 4-Seam Fastball 50%, Slider 48%, Sinker 1%.
Live context

Current-season signal

ERA Δ+0.71
K% Δ-0.022
Sample56.7 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings42.3----
Batters Faced179----
K%31.0%24.7% to 40.4%+/- 7.8%
BB%10.2%5.3% to 14.5%+/- 4.6%
Whiff%33.3%30.1% to 41.6%+/- 5.8%
HR/91.060.55 to 1.90+/- 0.67
xwOBA Against0.2730.225 to 0.364+/- 0.069
Barrel% Allowed8.3%4.7% to 13.1%+/- 4.2%
ERA3.220.91 to 5.03+/- 2.06
FIP2.991.89 to 5.73+/- 1.92
WHIP1.1700.901 to 1.606+/- 0.353
Platoon / Shape
vs LHH

741 career BF

xwOBA0.286
K%31.1%
BB%11.2%
Barrel8.5%
vs RHH

803 career BF

xwOBA0.268
K%31.0%
BB%8.7%
Barrel9.2%