← BACK TO SLATE
Yainer Diaz
C · RHB · HOU
Hit-rate history
per-game results vs the line · green = over · red = underRecent form
per-game over the last 10Avg PA4.0Plate Appearancesavg 4.0
Hitsavg 1.1
Singlesavg 0.7
Doublesavg 0.3
Total Basesavg 1.7
Home Runsavg 0.1
Strikeoutsavg 0.5
Walksavg 0.2
Splits
Career n=1,772 PA · 2023-03-30 → 2026-06-24
xStats luck
xwOBA0.312
wOBA0.305
delta−0.007 due
n=139 PA
Spray chart
569 balls in play since 2025Balls in play569
HR rate4.0%
Hard-hit (95+)44%
Avg exit velo91.0 mph
Ground ball48%
Line drive24%
Fly ball22%
What kind of arm does he crush?
top 3 pitcher traits by |lift|
+16.2%small sample
n=288 games · 23/141 HR when active
+0.0%small sample
n=0 games · 0/0 HR when active
+0.0%small sample
n=0 games · 0/0 HR when active
// PLAYER DNA
HR signature· refreshed 2026-05-21
helping tonighthurting tonightnot in play tonight
No rest day (B2B or doubleheader)
2.07× HR rate
181 yes / 108 no · 43 HRs
Summer game (Jun-Aug)
1.74× HR rate
134 yes / 156 no · 43 HRs
Cold month (Apr / Sep / Oct)
−29%
78 yes / 212 no · 43 HRs
Rested (2+ days off)
−29%
37 yes / 252 no · 43 HRs
// 8 more factors — small sample / no significant lift
Vs. high-contact-quality pitcher (avg EV allowed ≥ 89 mph)
+16%
141 yes / 147 no · 43 HRs
HR-friendly park (factor ≥ 1.10)
−10%
32 yes / 258 no · 43 HRs
HR-suppressing park (factor ≤ 0.95)
−6%
44 yes / 246 no · 43 HRs
Playing at home
neutral
153 yes / 137 no · 43 HRs
Vs. low-whiff pitcher (whiff% < 22%)
neutral
0 yes / 0 no · 0 HRs
Vs. hittable pitcher (BAA > .260)
neutral
0 yes / 0 no · 0 HRs
Vs. fastball-heavy pitcher (FB% ≥ 55%)
neutral
0 yes / 0 no · 0 HRs
Vs. high-xwOBA pitcher (xwOBA allowed > .340)
neutral
0 yes / 0 no · 0 HRs
// LIFT = P(HR | factor true) ÷ P(HR | factor false), Bayesian- shrunk with K=30 pseudo-games. Significance requires |lift − 1| ≥ 0.20 AND smaller cohort n ≥ 15. Cohort = top 60 HR hitters, last 2 seasons. Refreshed weekly. Green/red = the factor's effect on tonight's HR chance; gray = not in play tonight.
Last 10 games
Per-game outcomes — most recent first.
Nearest neighbors
Top 10 hitters most similar to Yainer Diaz across 38 features. Comp Lab uses these for small-sample BvP matchups.
Comp data temporarily unavailable.