Mithrandir Metrics
Player Colorado Rockies Refreshed Jun 1 06:00 AM ET
Player profile / Colorado Rockies

Chase Dollander

P profile with live context, projection links, and Mithrandir card history when available.

Cards
6
Modules
1
Live Δ
yes
Club Colorado Rockies Position P Roster Injured 15-Day Status IL-15
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-01
ERA preseason4.47
ERA current pace3.89
ERA rolling p504.19
Observed weight48%
ERA
3.00 3.56 4.19 4.82 5.38
FIP
3.23 3.59 4.00 4.40 4.76
K%
19.1% 21.0% 23.2% 25.3% 27.2%
BB%
7.2% 8.1% 9.0% 9.9% 10.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%9.4%
39
Barrel allowed10.5%
21 -19 vs proj
Fastball velo98.6
98
Hard-hit allowed50.3%
3
K%24.6%
63 +16 vs proj
Whiff%24.9%
64 +15 vs proj
xwOBA allowed0.308
55 +16 vs proj
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-01
Mithrandir Stuff+105
77
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 Dollander, Chase · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3082026-05-19: 0.3082026-05-21: 0.3082026-05-23: 0.3082026-05-24: 0.3082026-05-25: 0.3082026-05-26: 0.3082026-05-28: 0.3082026-05-29: 0.3082026-05-30: 0.3082026-05-31: 0.3082026-06-01: 0.308 2026-05-17 2026-06-01 xwOBA allowed MITHRANDIR · CHARTS
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 36%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
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 Dollander, Chase · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 49%49%Whiff: 25%25%Called strike: 16%16%First pitch strike: 48%48%Hard hit allowed: 50%50% 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 Dollander, Chase · 2026 arsenal snapshot 4-Seam Fastball: 35.6%Sinker: 25.5%Slider: 14.2%Changeup: 10.9%Curveball: 8.8%Sweeper: 5.0% MIX FF 36%SI 26%SL 14%CH 11%CU 9%ST 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Dollander, Chase · 2026 arsenal snapshot FF: HB -0.2, IVB 1.3FFSI: HB 0.3, IVB 1.9SISL: HB -0.1, IVB 3.0SLCH: HB -0.1, IVB 2.5CHCU: HB 0.1, IVB 4.2CUST: HB -0.5, IVB 2.6ST horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 37.7% 280 106 qualified
SI 24.0% 178 105 limited sample
SL 19.9% 148 104 limited sample
CH 10.5% 78 102 limited sample
CB 7.9% 59 99 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Reference layer

Current snapshot

Age24
Height6' 2"
Weight219 lb
Debut2025-04-06
Live layer

Delta / regression

ERA Δ-0.65
K% Δ+0.028

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching62026-05-084-Seam Fastball played up through SI/SL tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202621.8% K | 4.54 ERAProjection
2026-04-12 @ SD1 ER / 0 K1.0 IP
2026-04-09 @ SD1 ER / 3 K4.1 IP
2026-04-04 vs PHI1 ER / 6 K4.1 IP
2026-03-30 @ TOR4 ER / 5 K4.0 IP