Mithrandir Metrics
Player Atlanta Braves Refreshed Jun 2 06:00 AM ET
Player profile / Atlanta Braves

Mike Yastrzemski

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

Cards
1
Modules
1
Live Δ
yes
Club Atlanta Braves Position LF Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-02
xwOBA preseason0.319
xwOBA current pace0.293
xwOBA rolling p500.308
Observed weight45%
xwOBA
0.281 0.294 0.308 0.321 0.334
wOBA
0.325 0.347 0.372 0.396 0.418
ISO
0.135 0.151 0.169 0.187 0.203
K%
19.9% 21.7% 23.6% 25.6% 27.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Hitting · percentile strip
BB%9.0%
52 -19 vs proj
Barrel%3.4%
27 -31 vs proj
Bat speed68.4
33
Exit velocity89.8
67
Hard-hit%38.8%
46 -15 vs proj
K%23.7%
39
xBA0.316
41
xSLG0.443
28
xwOBA0.293
34 -23 vs proj
Defense · percentile strip
Arm Runs0.9 · LF
84
Arm Strength89.6 · LF
22
Outs Above Avg0.0 · LF
45
Range Runs-0.2 · LF
52
Baserunning · percentile strip
Base Running Runs0.3 · LF
52
Sprint Speed27.0 · LF
42
Mithrandir+

Stuff+ and arsenal context

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

2026-06-02
Avoids Bad ChasesST 65.9% · rebadged research
52
Avoids Bad TakesHPT 31.6% · rebadged research
10
Correct Decisions62.4% · rebadged research
16
Resists Breaking - horizontalwOBA 0.270 · borderline
83
Resists Breaking - verticalwOBA 0.292 · insufficient sample
15
Resists ChangeupwOBA 0.291 · validated thin sample
17
Resists Cutters + splitterswOBA 0.324 · insufficient sample
77
Resists FastballwOBA 0.340 · validated
50
Resists SinkerwOBA 0.350 · validated
71
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 Yastrzemski, Mike · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-19: 0.2772026-05-21: 0.2732026-05-23: 0.2782026-05-24: 0.2782026-05-25: 0.2782026-05-26: 0.2782026-05-28: 0.2802026-05-29: 0.2802026-05-30: 0.2832026-05-31: 0.2862026-06-01: 0.2932026-06-02: 0.293 2026-05-19 2026-06-02 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 Yastrzemski, Mike · Aggregate zone metrics; not pitch-by-pitch locations Zone: 51%51%Chase: 28%28%Whiff: 21%21%Zone contact: 86%86%Contact: 79%79%Hard hit: 39%39% 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 Yastrzemski, Mike · aggregate bat-tracking arc Swing tilt 30.3° Length 7.3 ft Ideal path 61% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Yastrzemski, Mike · aggregate attack vector Attack angle 9.9° Direction -1.4° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Yastrzemski, Mike · aggregate bat speed marker 60 mph 85 mph Avg bat speed 70.5 mph Hard swing rate 4% Whiff / swing 24% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age35
Height5' 10"
Weight180 lb
Debut2019-05-25
Live layer

Delta / regression

xwOBA Δ-0.024
wOBA Δ+0.054

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting12026-05-21Impact contact carried uneven swing decisions
Projection links / recent games

Available detail

Hitter Projections 20260.317 xwOBA | 19 HRProjection
2026-05-20 @ MIA0 HR | 0 RBI / 3 Ch | 0 E0-4
2026-04-20 @ WSH0 HR | 0 RBI / 3 Ch | 0 E1-4 | K, 2 R
2026-04-17 @ PHI0 HR | 1 RBI / 4 Ch | 0 E1-3 | K, RBI
2026-04-15 vs MIA0 HR | 0 RBI / 0 Ch | 0 E1-3 | HBP, R
2026-04-14 vs MIA0 HR | 0 RBI / 3 Ch | 0 E1-4 | K, R