24
HRs allowed
11.1%
HR rate (pool)
17.9%
Overall HR/FB
4.17
FIP
4.06
xFIP
+0.10
FIP − xFIP gap
Leak meter
STINGY
LEAKY
79
season HR/FB pctile vs MLB pitchers — higher = more HR-prone
Tonight's read
vulnerability percentile · model flags
no model flags today
Vulnerability 79th pctile (season HR/FB pctile vs MLB pitchers)
Where he leaks
quality of contact allowed · season
Barrel% allowed
16.1%
Hard-Hit% allowed
70.1%
Fly-ball rate
—
avg HR 104.8 EV · 402 ft
max EV allowed 113.6
Batted-ball xSLG splits and HR spray direction aren't tracked for pitchers yet.
Recent form
HR allowed by scored game day
7D · 0 HR
15D · 0 HR
30D · 1 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 Kumar Rocker.
Arsenal ledger
per-pitch damage against · season
PitchUseEVLAHRRV/100Damage
Slider Breaking
37.6%
81.5
8.6°
5
-0.5
Sinker Hard
29.5%
84.5
12.7°
6
+0.7
Fastball Hard
14.7%
83.7
27.8°
3
-0.5
Cutter Hard
14.1%
84.1
14.1°
4
+1.3
Changeup Offspeed
3.2%
90.5
8.2°
1
-0.6
Splitter Offspeed
0.8%
86.3
21.6°
1
+14.5
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 matchups217
HRs allowed (pool)24
Pool HR rate11.1%
Pool HR/game day0.96
Top-15 matchups12
HRs to top-151
Overall HR/FB17.9% 79
HR/9—
FIP4.17 54
xFIP4.06
FIP − xFIP+0.10 53
Barrel% allowed16.1%
Hard-Hit% allowed70.1%
FB%—
K/9—
BB/9—
WHIP—
IP—
Pool = tracked matchup population · pctile chips = MLB-wide percentile (hot ≥ 85) · as of 2026-10-17
Slider
Breaking · 37.6% usage
-0.5
run value against / 100 pitches
Avg EV against81.5 mph
Avg launch angle8.6°
HRs allowed5
Pitches939
Sinker
Hard · 29.5% usage
+0.7
run value against / 100 pitches
Avg EV against84.5 mph
Avg launch angle12.7°
HRs allowed6
Pitches736
Fastball
Hard · 14.7% usage
-0.5
run value against / 100 pitches
Avg EV against83.7 mph
Avg launch angle27.8°
HRs allowed3
Pitches368
Cutter
Hard · 14.1% usage
+1.3
run value against / 100 pitches
Avg EV against84.1 mph
Avg launch angle14.1°
HRs allowed4
Pitches352
Changeup
Offspeed · 3.2% usage
-0.6
run value against / 100 pitches
Avg EV against90.5 mph
Avg launch angle8.2°
HRs allowed1
Pitches81
Splitter
Offspeed · 0.8% usage
+14.5
run value against / 100 pitches
Avg EV against86.3 mph
Avg launch angle21.6°
HRs allowed1
Pitches20
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 Kumar Rocker.
BvP under 20 PA is noise — use it for pitch-mix memory, not projection. Context only: not part of the model score.
HR Log
24 allowed · scored pool
avg 104.8 EV · 402 ft
1 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 15 scored game days · pool
DateStadiumMatchupsHRMax EV
2026-09-24
9
0
102.4
2026-09-18
9
0
106.4
2026-09-12
8
0
104.6
2026-08-30
9
1
112.2
2026-08-24
9
1
107.0
2026-08-19
9
2
108.1
2026-08-14
7
2
103.4
2026-08-09
9
3
108.9
2026-08-02
9
1
108.2
2026-07-27
8
1
111.1
2026-07-21
9
0
100.0
2026-07-11
8
2
112.8
2026-07-05
9
1
111.2
2026-06-28
8
1
106.5
2026-06-16
9
2
108.8
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 — Kumar Rocker isn't on a scored slate with park & weather inputs.
Fences vs his leak
wall distance · damage overlay
Kumar Rocker isn't on a scored slate — no park to compare his damage against.
Venue splits
HRs allowed by venue · pool
VenueFacedHRRate
142
15
11%
9
2
22%
7
2
29%
9
1
11%
9
1
11%
9
1
11%
HRs allowed ÷ scored matchups at each park · top 6 of 10. Rate is per scored matchup, not HR/9 — box-score innings aren't tracked.
Common questions about Kumar Rocker
How many home runs has Kumar Rocker allowed this season?
Kumar Rocker has allowed 24 home runs across 25 scored game days in the TheHomeRuns pool this season.
Which batters have homered off Kumar Rocker?
In the TheHomeRuns scored pool, the batters with home runs against Kumar Rocker include Cal Raleigh (2), Lawrence Butler (2), Riley Greene (2) and 30 more.
Model output for entertainment and research. Not gambling advice.