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

Kittredge, Andrew

Late-inning arm with usable miss-bat shape

Primary
25.3% K%
Range
19.4% to 32.1%
Live Δ
yes
Team BAL Archetype Balanced reliever 2 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.

2026-09-05
55
Pitching
percentile
Pitching9 metrics
55
Arsenal4 metrics
71
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 preseason3.36
ERA current pace3.27
ERA rolling p503.32
Observed weight45%
ERA
2.15 2.71 3.32 3.94 4.49
FIP
3.06 3.40 3.78 4.16 4.50
K%
18.2% 20.1% 22.1% 24.1% 25.9%
BB%
4.3% 5.1% 6.0% 6.9% 7.7%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-05
Pitching · percentile strip
WHIP1.42
33
ERA3.27
74
BB%6.1%
89
K%18.8%
27 -45 vs proj
xwOBA allowed0.310
53 -22 vs proj
Barrel allowed6.1%
72 +29 vs proj
Fastball velo94.8
56
Hard-hit allowed38.5%
51
Whiff%22.1%
44 -26 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+.

2026-09-05
Fastball Stuff+100
33
Mithrandir Stuff+107
90
Sinker Stuff+106
85
Slider Stuff+105
75
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 49%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 Kittredge, Andrew · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.310 2026-08-25: 0.3042026-08-26: 0.3042026-08-27: 0.3102026-08-28: 0.3102026-08-29: 0.3102026-08-30: 0.3072026-08-31: 0.3072026-09-01: 0.3082026-09-02: 0.3082026-09-03: 0.3102026-09-04: 0.3102026-09-05: 0.310 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 Kittredge, Andrew · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 49%49%Whiff: 22%22%Called strike: 16%16%First pitch strike: 54%54%Hard hit allowed: 39%39% 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 Kittredge, Andrew · 2026 arsenal snapshot Slider: 49.1%Sinker: 39.1%4-Seam Fastball: 11.8% SL49% · 89 mphprimary pitch SL 49%SI 39%FF 12% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Kittredge, Andrew · 2026 arsenal snapshot 9″18″27″36″ Slider: 49% usage, 1″ horizontal break, 32″ drop, 88.9 mphSL89 mphSinker: 39% usage, 0″ horizontal break, 20″ drop, 95.0 mphSI95 mph4-Seam Fastball: 12% usage, 2″ horizontal break, 15″ drop, 94.3 mphFF94 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 49.5% 197 105 limited sample
SI 37.9% 151 106 limited sample
FB 12.6% 50 100 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
Home park gives the run-prevention profile a small HR cushion.
2
templated note
Primary mix entering the season: Slider 52%, Sinker 36%, 4-Seam Fastball 11%.
Live context

Current-season signal

ERA Δ-0.42
K% Δ-0.065
Sample43.7 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings66.2----
Batters Faced267----
K%25.3%19.4% to 32.1%+/- 6.4%
BB%6.8%4.6% to 9.5%+/- 2.4%
Whiff%25.4%20.8% to 31.5%+/- 5.3%
HR/91.300.94 to 2.19+/- 0.62
xwOBA Against0.2900.247 to 0.341+/- 0.047
Barrel% Allowed7.9%4.9% to 11.6%+/- 3.3%
ERA3.692.25 to 5.53+/- 1.64
FIP3.662.72 to 4.74+/- 1.01
WHIP1.1090.948 to 1.423+/- 0.238
Platoon / Shape
vs LHH

542 career BF

xwOBA0.294
K%22.9%
BB%6.2%
Barrel9.8%
vs RHH

949 career BF

xwOBA0.278
K%23.5%
BB%5.8%
Barrel7.6%