11
HRs allowed
11.0%
HR rate (pool)
26.5%
Overall HR/FB
5.34
FIP
4.51
xFIP
+0.82
FIP − xFIP gap
Leak meter
STINGY
LEAKY
95
season HR/FB pctile vs MLB pitchers — higher = more HR-prone
Tonight's read
vulnerability percentile · model flags
no model flags today
Vulnerability 95th pctile (season HR/FB pctile vs MLB pitchers)
Where he leaks
quality of contact allowed · season
Barrel% allowed
22.0%
Hard-Hit% allowed
67.4%
Fly-ball rate
—
avg HR 104.2 EV · 393 ft
max EV allowed 112.6
Batted-ball xSLG splits and HR spray direction aren't tracked for pitchers yet.
Recent form
HR allowed by scored game day
7D · 1 HR
15D · 1 HR
30D · 5 HR ↑
Dot size = HRs allowed that game day · scored pool only.
Threat Matrix
tonight's lineup × his arsenal families
No lineup yet — the Threat Matrix fills in when today's slate lists batters against Tatsuya Imai.
Arsenal ledger
per-pitch damage against · season
PitchUseEVLAHRRV/100Damage
Slider Breaking
45.2%
81.1
12.0°
6
-0.6
Fastball Hard
43.9%
83.1
26.3°
2
+0.0
Sinker Hard
4.7%
80.9
12.4°
0
-1.8
Splitter Offspeed
3.5%
65.1
-31.0°
0
+2.2
Changeup Offspeed
2.2%
75.3
21.5°
1
+4.9
RV/100 = run value against per 100 pitches — higher = more damage allowed. Damage bar is scaled across his own arsenal.
Full ledger
pool + season datapoints · pctile-chipped where ranked
Pool matchups100
HRs allowed (pool)11
Pool HR rate11.0%
Pool HR/game day0.92
Top-15 matchups7
HRs to top-152
Overall HR/FB26.5% 95
HR/9—
FIP5.34 87
xFIP4.51
FIP − xFIP+0.82 86
Barrel% allowed22.0%
Hard-Hit% allowed67.4%
FB%—
K/9—
BB/9—
WHIP—
IP—
Pool = tracked matchup population · pctile chips = MLB-wide percentile (hot ≥ 85) · as of 2026-08-31
Slider
Breaking · 45.2% usage
-0.6
run value against / 100 pitches
Avg EV against81.1 mph
Avg launch angle12.0°
HRs allowed6
Pitches586
Fastball
Hard · 43.9% usage
+0.0
run value against / 100 pitches
Avg EV against83.1 mph
Avg launch angle26.3°
HRs allowed2
Pitches569
Sinker
Hard · 4.7% usage
-1.8
run value against / 100 pitches
Avg EV against80.9 mph
Avg launch angle12.4°
HRs allowed0
Pitches61
Splitter
Offspeed · 3.5% usage
+2.2
run value against / 100 pitches
Avg EV against65.1 mph
Avg launch angle-31.0°
HRs allowed0
Pitches46
Changeup
Offspeed · 2.2% usage
+4.9
run value against / 100 pitches
Avg EV against75.3 mph
Avg launch angle21.5°
HRs allowed1
Pitches29
Usage by handedness
what tonight's lefties/righties will see
Per-handedness pitch usage isn't tracked yet — the arsenal cache is a season aggregate.
Zone map
damage by location
Per-zone damage isn't tracked yet for pitchers.
Pitcher vs. Batter
career PA vs tonight's listed order
No listed order yet — BvP rows appear when today's slate lists batters against Tatsuya Imai.
BvP under 20 PA is noise — use it for pitch-mix memory, not projection. Context only: not part of the model score.
HR Log
11 allowed · scored pool
avg 104.2 EV · 393 ft
5 in last 30D
DateBatterRankScoreStadiumEVLADist
Every row is a scored-pool matchup — HRs to unscored batters aren't tracked. Pitch type, count, and field direction aren't in the pool log yet.
Game-day log
last 12 scored game days · pool
DateStadiumMatchupsHRMax EV
2026-07-27
9
1
105.9
2026-07-21
7
0
102.3
2026-07-07
8
1
111.4
2026-07-01
9
3
112.6
2026-06-25
9
1
106.0
2026-06-19
8
1
102.4
2026-06-12
5
0
106.6
2026-06-06
9
0
108.9
2026-05-31
9
1
109.3
2026-05-25
9
0
105.4
2026-05-18
9
1
112.3
2026-05-12
9
2
105.8
Box-score start lines (IP · H · ER · K · BB · pitch counts) aren't tracked yet — this is his scored-pool day log, matchups our model actually graded.
Tonight
park factor · wind · temp
Ballpark conditions unavailable — Tatsuya Imai isn't on a scored slate with park & weather inputs.
Fences vs his leak
wall distance · damage overlay
Tatsuya Imai isn't on a scored slate — no park to compare his damage against.
Venue splits
HRs allowed by venue · pool
VenueFacedHRRate
51
7
14%
9
1
11%
9
1
11%
9
1
11%
8
1
12%
9
0
0%
HRs allowed ÷ scored matchups at each park · top 6 of 7. Rate is per scored matchup, not HR/9 — box-score innings aren't tracked.
Common questions about Tatsuya Imai
How many home runs has Tatsuya Imai allowed this season?
Tatsuya Imai has allowed 11 home runs across 12 scored game days in the TheHomeRuns pool this season.
Which batters have homered off Tatsuya Imai?
In the TheHomeRuns scored pool, the batters with home runs against Tatsuya Imai include Josh Bell (2), Dillon Dingler (1), Dominic Canzone (1) and 7 more.
Model output for entertainment and research. Not gambling advice.