Mithrandir Metrics
Pitcher projection 2026 Refreshed Jul 18 06:00 AM ET
Pitcher projection / CLE · 2026

Bibee, Tanner

Run-prevention profile built on workable command

Primary
22.2% K%
Range
19.6% to 28.6%
Live Δ
yes
Team CLE Archetype Balanced starter Age 27 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.

2026-07-18
49
Pitching
percentile
Pitching9 metrics
41
Arsenal7 metrics
62
Rolling projection

Preseason / current pace / Bayesian update

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

2026-07-18
ERA preseason4.10
ERA current pace3.90
ERA rolling p503.96
Observed weight68%
ERA
3.07 3.49 3.96 4.43 4.85
FIP
4.20 4.47 4.76 5.05 5.32
K%
17.8% 18.8% 19.9% 21.0% 21.9%
BB%
5.7% 6.2% 6.8% 7.4% 8.0%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-07-18
Pitching · percentile strip
WHIP1.26
60
ERA3.90
52
BB%6.6%
80
K%18.6%
23 -25 vs proj
xwOBA allowed0.332
31 -20 vs proj
Barrel allowed10.8%
13 -29 vs proj
Fastball velo93.7
38
Hard-hit allowed42.3%
28
Whiff%22.6%
47
Mithrandir+

Stuff+ and arsenal context

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

2026-07-18
Changeup Stuff+99
28
Cutter Stuff+105
73
Fastball Stuff+103
53
Mithrandir Stuff+104
63
Sinker Stuff+103
56
Curveball Stuff+104
77
Slider Stuff+106
84
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.

6Pitches 2026Season 25%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 Bibee, Tanner · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 0.332 2026-07-07: 0.3362026-07-08: 0.3362026-07-09: 0.3362026-07-10: 0.3362026-07-11: 0.3362026-07-12: 0.3362026-07-13: 0.3322026-07-14: 0.3322026-07-15: 0.3322026-07-16: 0.3322026-07-17: 0.3322026-07-18: 0.332 2026-07-07 2026-07-18 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 Bibee, Tanner · Aggregate zone metrics; not pitch-by-pitch locations Edge: 37%37%Zone: 50%50%Whiff: 23%23%Called strike: 16%16%First pitch strike: 50%50%Hard hit allowed: 42%42% 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 Bibee, Tanner · 2026 arsenal snapshot Cutter: 24.7%4-Seam Fastball: 23.0%Sinker: 22.6%Changeup: 15.7%Curveball: 10.9%Sweeper: 3.1% FC25% · 86 mphprimary pitch FC 25%FF 23%SI 23%CH 16%CU 11%ST 3% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Bibee, Tanner · 2026 arsenal snapshot 15″30″45″60″ Cutter: 25% usage, 1″ horizontal break, 34″ drop, 86.0 mphFC86 mph4-Seam Fastball: 23% usage, 1″ horizontal break, 15″ drop, 94.0 mphFF94 mphSinker: 23% usage, 4″ horizontal break, 22″ drop, 93.5 mphSI93 mphChangeup: 16% usage, 8″ horizontal break, 28″ drop, 81.1 mphCH81 mphCurveball: 11% usage, 2″ horizontal break, 53″ drop, 78.0 mphCU78 mphSweeper: 3% usage, 3″ horizontal break, 39″ drop, 83.0 mphST83 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FC 25.1% 331 105 qualified
FB 24.5% 324 103 qualified
SI 20.0% 264 103 qualified
CH 17.7% 234 99 qualified
CB 10.5% 138 104 limited sample
SL 2.2% 29 106 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.
pitcher
2
templated note
Primary mix entering the season: 4-Seam Fastball 29%, Cutter 21%, Sweeper 15%.
pitcher
Live context

Current-season signal

ERA Δ-0.22
K% Δ-0.037
Sample121.3 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings148.0----
Batters Faced630----
K%22.2%19.6% to 28.6%+/- 4.5%
BB%6.9%5.5% to 9.4%+/- 2.0%
Whiff%22.7%20.0% to 27.6%+/- 3.8%
HR/91.370.90 to 1.97+/- 0.53
xwOBA Against0.3130.279 to 0.341+/- 0.031
Barrel% Allowed8.2%5.9% to 11.0%+/- 2.5%
ERA4.123.28 to 5.65+/- 1.18
FIP4.043.23 to 4.71+/- 0.74
WHIP1.2571.094 to 1.501+/- 0.204
Platoon / Shape
vs LHH

1164 career BF

xwOBA0.299
K%21.7%
BB%7.5%
Barrel8.0%
vs RHH

1073 career BF

xwOBA0.287
K%22.6%
BB%6.1%
Barrel7.6%