Mithrandir Metrics
Player Houston Astros Refreshed Jun 1 06:00 AM ET
Player profile / Houston Astros

Yainer Diaz

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

Cards
0
Modules
0
Live Δ
yes
Club Houston Astros Position C 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 preseason0.339
xwOBA current pace0.257
xwOBA rolling p500.310
Observed weight35%
xwOBA
0.280 0.294 0.310 0.326 0.341
wOBA
0.250 0.276 0.305 0.333 0.359
ISO
0.096 0.115 0.137 0.159 0.178
K%
14.6% 16.1% 17.8% 19.4% 21.0%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%3.4%
5
Barrel%3.4%
27 -35 vs proj
Bat speed70.5
66
Exit velocity87.8
41
Hard-hit%29.8%
14 -56 vs proj
K%15.4%
86
xBA0.282
16
xSLG0.384
12
xwOBA0.257
11 -60 vs proj
Defense · percentile strip
Blocking Runs-0.2 · C
38
Catcher Throwing-0.4 · C
24
Framing Runs-3.3 · C
9
Pop Time2.0 · C
16
Baserunning · percentile strip
Sprint Speed25.5 · C
11
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 54.6% · rebadged research
11
Avoids Bad TakesHPT 20.4% · rebadged research
88
Correct Decisions63.7% · rebadged research
27
Resists Breaking - horizontalwOBA 0.269 · borderline
84
Resists Breaking - verticalwOBA 0.278 · insufficient sample
43
Resists ChangeupwOBA 0.280 · validated thin sample
39
Resists Cutters + splitterswOBA 0.324 · insufficient sample
73
Resists FastballwOBA 0.340 · validated
50
Resists SinkerwOBA 0.349 · validated
69
SEAGER+ Plate Discipline96
23
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 Diaz, Yainer · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.2572026-05-19: 0.2572026-05-21: 0.2572026-05-23: 0.2572026-05-24: 0.2572026-05-25: 0.2572026-05-26: 0.2572026-05-28: 0.2572026-05-29: 0.2572026-05-30: 0.2572026-05-31: 0.2572026-06-01: 0.257 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 Diaz, Yainer · Aggregate zone metrics; not pitch-by-pitch locations Zone: 46%46%Chase: 40%40%Whiff: 20%20%Zone contact: 91%91%Contact: 80%80%Hard hit: 30%30% 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 Diaz, Yainer · aggregate bat-tracking arc Swing tilt 29.3° Length 7.3 ft Ideal path 52% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Diaz, Yainer · aggregate attack vector Attack angle 7.1° Direction +4.2° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Diaz, Yainer · aggregate bat speed marker 60 mph 85 mph Avg bat speed 72.4 mph Hard swing rate 15% Whiff / swing 25% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age27
Height5' 11"
Weight195 lb
Debut2022-09-02
Live layer

Delta / regression

xwOBA Δ-0.076
wOBA Δ-0.029

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Hitter Projections 20260.333 xwOBA | 19 HRProjection
2026-04-20 @ CLE0 HR | 1 RBI / 7 Ch | 0 E1-4 | RBI
2026-04-15 vs COL0 HR | 0 RBI / 15 Ch | 0 E0-4
2026-04-13 @ SEA0 HR | 1 RBI / 3 Ch | 0 E1-3 | RBI
2026-04-12 @ SEA1 HR | 1 RBI / 8 Ch | 0 E1-3 | HR, RBI, R
2026-04-11 @ SEA0 HR | 0 RBI / 9 Ch | 0 E0-5 | 2 K