Mithrandir Metrics
Pitcher projection 2026 Refreshed Sep 27 06:00 AM ET
Pitcher projection / PHI · 2026

Banks, Tanner

Run-prevention profile built on workable command

Primary
21.7% K%
Range
17.9% to 28.2%
Live Δ
yes
Team PHI Archetype Balanced reliever 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.

2026-09-27
34
Pitching
percentile
Pitching9 metrics
40
Arsenal5 metrics
26
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-27
ERA preseason3.94
ERA current pace6.43
ERA rolling p505.03
Observed weight44%
ERA
3.97 4.48 5.03 5.59 6.09
FIP
4.12 4.38 4.67 4.95 5.21
K%
18.9% 20.5% 22.3% 24.1% 25.7%
BB%
5.2% 6.1% 7.0% 7.9% 8.7%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-27
Pitching · percentile strip
WHIP1.75
4
ERA6.43
6
BB%8.0%
62 -24 vs proj
K%21.9%
49
xwOBA allowed0.315
47
Barrel allowed6.2%
71 +33 vs proj
Fastball velo91.6
12
Hard-hit allowed34.1%
81
Whiff%20.5%
31
Mithrandir+

Stuff+ and arsenal context

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

2026-09-27
Mithrandir Stuff+100
34
Slider Stuff+103
59
Changeup Stuff+85
1
Fastball Stuff+98
22
Sinker Stuff+95
12
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.

5Pitches 2026Season 36%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 Banks, Tanner · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.315 2026-09-13: 0.3232026-09-14: 0.3162026-09-18: 0.3162026-09-19: 0.3192026-09-20: 0.3192026-09-21: 0.3192026-09-22: 0.3192026-09-23: 0.3192026-09-24: 0.3172026-09-25: 0.3172026-09-26: 0.3172026-09-27: 0.315 2026-09-13 2026-09-27 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 Banks, Tanner · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 49%49%Whiff: 20%20%Called strike: 17%17%First pitch strike: 58%58%Hard hit allowed: 34%34% 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 Banks, Tanner · 2026 arsenal snapshot Slider: 35.6%Sweeper: 22.2%4-Seam Fastball: 21.4%Sinker: 15.8%Changeup: 5.0% SL36% · 87 mphprimary pitch SL 36%ST 22%FF 21%SI 16%CH 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Banks, Tanner · 2026 arsenal snapshot 12″24″36″48″ Slider: 36% usage, 2″ horizontal break, 31″ drop, 86.8 mphSL87 mphSweeper: 22% usage, 0″ horizontal break, 39″ drop, 81.5 mphST81 mph4-Seam Fastball: 21% usage, 1″ horizontal break, 17″ drop, 92.0 mphFF92 mphSinker: 16% usage, 6″ horizontal break, 23″ drop, 91.2 mphSI91 mphChangeup: 5% usage, 10″ horizontal break, 36″ drop, 83.6 mphCH84 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 58.5% 299 103 qualified
FB 20.2% 103 98 limited sample
SI 17.0% 87 95 limited sample
CH 4.3% 22 85 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 (0.273 vs 0.312 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: Slider 36%, Sweeper 24%, 4-Seam Fastball 21%.
pitcher
Live context

Current-season signal

ERA Δ+2.37
K% Δ+0.002
Sample39.3 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings69.1----
Batters Faced288----
K%21.7%17.9% to 28.2%+/- 5.2%
BB%6.4%4.4% to 9.2%+/- 2.4%
Whiff%21.6%17.5% to 25.6%+/- 4.1%
HR/91.370.83 to 2.07+/- 0.62
xwOBA Against0.3060.278 to 0.351+/- 0.036
Barrel% Allowed8.1%5.9% to 11.2%+/- 2.6%
ERA4.062.72 to 5.69+/- 1.49
FIP4.013.21 to 4.74+/- 0.76
WHIP1.2661.031 to 1.518+/- 0.243
Platoon / Shape
vs LHH

425 career BF

xwOBA0.273
K%22.5%
BB%5.2%
Barrel6.1%
vs RHH

705 career BF

xwOBA0.312
K%19.7%
BB%5.9%
Barrel8.8%