Mithrandir Metrics
Pitcher projection 2026 Refreshed Oct 15 06:00 AM ET
Pitcher projection / TB · 2026

Booser, Cam

Run-prevention profile built on workable command

Primary
24.1% K%
Range
18.5% to 32.3%
Live Δ
yes
Team TB Archetype Volatile contact Age 34 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.

2026-10-15
96
Pitching
percentile
Pitching9 metrics
84
Arsenal4 metrics
47
Rolling projection

Preseason / current pace / Bayesian update

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

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-10-15
Pitching · percentile strip
WHIP0.75
99
ERA1.98
95
BB%4.6%
98
K%29.1%
90
xwOBA allowed0.255
95
Barrel allowed6.1%
73
Fastball velo95.7
71
Hard-hit allowed36.8%
61
Whiff%25.7%
73
Mithrandir+

Stuff+ and arsenal context

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

2026-10-15
Cutter Stuff+102
56
Fastball Stuff+103
55
Mithrandir Stuff+103
59
Slider Stuff+97
16
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 44%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 Booser, Cam · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 0.255 2026-10-04: 0.2522026-10-05: 0.2522026-10-06: 0.2622026-10-07: 0.2622026-10-08: 0.2592026-10-09: 0.2592026-10-10: 0.2592026-10-11: 0.2592026-10-12: 0.2592026-10-13: 0.2552026-10-14: 0.2552026-10-15: 0.255 2026-10-04 2026-10-15 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 Booser, Cam · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 52%52%Whiff: 26%26%Called strike: 14%14%First pitch strike: 51%51%Hard hit allowed: 37%37% 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 Booser, Cam · 2026 arsenal snapshot Cutter: 43.5%4-Seam Fastball: 43.5%Sweeper: 10.5%Changeup: 2.4% FC44% · 88 mphprimary pitch FC 44%FF 44%ST 11%CH 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Booser, Cam · 2026 arsenal snapshot 12″24″36″48″ Cutter: 44% usage, 1″ horizontal break, 31″ drop, 88.2 mphFC88 mph4-Seam Fastball: 44% usage, 1″ horizontal break, 14″ drop, 95.7 mphFF96 mphSweeper: 11% usage, 13″ horizontal break, 44″ drop, 81.9 mphST82 mphChangeup: 2% usage, 15″ horizontal break, 31″ drop, 87.4 mphCH87 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 48.7% 149 103 limited sample
FC 40.5% 124 102 limited sample
SL 10.1% 31 97 limited sample
CH 0.7% 2 103 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 (0.250 vs 0.279 xwOBA allowed split).
pitcher
2
templated note
Volume stays relief-shaped even when the bat-miss traits are strong.
pitcher
3
templated note
Home park gives the run-prevention profile a small HR cushion.
pitcher
4
templated note
Primary mix entering the season: 4-Seam Fastball 46%, Sweeper 31%, Cutter 21%.
pitcher
Live context

Current-season signal

ERA Δ--
K% Δ--
Sample46.7 IP

negative regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings35.3----
Batters Faced157----
K%24.1%18.5% to 32.3%+/- 6.9%
BB%9.9%6.0% to 15.3%+/- 4.6%
Whiff%25.1%20.1% to 32.2%+/- 6.1%
HR/91.130.37 to 2.22+/- 0.93
xwOBA Against0.3190.222 to 0.358+/- 0.068
Barrel% Allowed8.7%4.1% to 13.3%+/- 4.6%
ERA4.131.95 to 6.60+/- 2.33
FIP4.172.51 to 5.38+/- 1.43
WHIP1.3330.966 to 1.683+/- 0.358
Platoon / Shape
vs LHH

150 career BF

xwOBA0.250
K%23.7%
BB%10.5%
Barrel8.6%
vs RHH

207 career BF

xwOBA0.279
K%21.5%
BB%9.7%
Barrel9.2%