Mithrandir Metrics
Player Seattle Mariners Refreshed Jun 1 06:00 AM ET
Player profile / Seattle Mariners

Brendan Donovan

3B profile with live context, projection links, and Mithrandir card history when available.

Cards
1
Modules
1
Live Δ
yes
Club Seattle Mariners Position 3B Roster Injured 10-Day Status IL-10
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
xwOBA preseason0.332
xwOBA current pace0.345
xwOBA rolling p500.337
Observed weight37%
xwOBA
0.309 0.322 0.337 0.351 0.364
wOBA
0.455 0.482 0.512 0.542 0.569
ISO
0.117 0.134 0.154 0.173 0.191
K%
11.1% 12.5% 13.9% 15.4% 16.7%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%11.0%
73 +40 vs proj
Barrel%3.9%
34
Bat speed66.7
19
Exit velocity87.6
38
Hard-hit%36.0%
33 -15 vs proj
K%14.2%
89
xBA0.322
49
xSLG0.470
36
xwOBA0.345
78
Defense · percentile strip
Outs Above Avg-5.0 · 3B
4
Range Runs-3.6 · 3B
Limited
Baserunning · percentile strip
Sprint Speed25.2 · 3B
8
SB Success Rate50.0% · 3B
Limited
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
Avoids Bad ChasesST 69.6% · rebadged research
70
Avoids Bad TakesHPT 29.4% · rebadged research
14
Correct Decisions65.4% · rebadged research
43
Resists Breaking - horizontalwOBA 0.253 · borderline
97
Resists Breaking - verticalwOBA 0.300 · insufficient sample
7
Resists ChangeupwOBA 0.290 · validated thin sample
19
Resists Cutters + splitterswOBA 0.356 · insufficient sample
9
Resists FastballwOBA 0.376 · validated
7
Resists SinkerwOBA 0.348 · validated
72
SEAGER+ Plate Discipline100
48
Rolling form chart

xwOBA 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 Donovan, Brendan · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.3452026-05-19: 0.3452026-05-21: 0.3452026-05-23: 0.3452026-05-24: 0.3452026-05-25: 0.3452026-05-26: 0.3452026-05-28: 0.3452026-05-29: 0.3452026-05-30: 0.3452026-05-31: 0.3452026-06-01: 0.345 2026-05-17 2026-06-01 xwOBA 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 Swing Zone Profile Donovan, Brendan · Aggregate zone metrics; not pitch-by-pitch locations Zone: 48%48%Chase: 22%22%Whiff: 18%18%Zone contact: 89%89%Contact: 82%82%Hard hit: 36%36% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Bat tracking

Swing path, attack angle, bat speed

Aggregate Savant bat-tracking metrics; not per-swing motion capture.

2026
Mithrandir Metrics SWING PATH Parameterized Mithrandir chart rendered as SVG for templates and exports. Swing Path Donovan, Brendan · aggregate bat-tracking arc Swing tilt 28.6° Length 6.9 ft Ideal path 70% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Donovan, Brendan · aggregate attack vector Attack angle 10.9° Direction -3.1° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Donovan, Brendan · aggregate bat speed marker 60 mph 85 mph Avg bat speed 68.5 mph Hard swing rate 0% Whiff / swing 24% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age29
Height5' 11"
Weight210 lb
Debut2022-04-25
Live layer

Delta / regression

xwOBA Δ+0.017
wOBA Δ+0.184

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting12026-03-29Disciplined swing decisions drove the score
Projection links / recent games

Available detail

Hitter Projections 20260.328 xwOBA | 12 HRProjection
2026-04-17 vs TEX0 HR | 0 RBI / 2 Ch | 0 E0-2
2026-04-15 @ SD0 HR | 2 RBI / 5 Ch | 0 E1-3 | BB, HBP, 2 K
2026-04-14 @ SD0 HR | 0 RBI / 1 Ch | 0 E0-3 | HBP
2026-04-13 vs HOU0 HR | 0 RBI / 4 Ch | 0 E2-4 | 2B, BB
2026-04-12 vs HOU0 HR | 1 RBI / 5 Ch | 0 E0-3 | HBP, K, RBI