17
HRs allowed
10.1%
HR rate (pool)
17.3%
Overall HR/FB
4.86
FIP
4.56
xFIP
+0.31
FIP − xFIP gap
Leak meter
STINGY
LEAKY
82
season HR/FB pctile vs MLB pitchers — higher = more HR-prone
Tonight's read
vulnerability percentile · model flags
no model flags today
Vulnerability 82th pctile (season HR/FB pctile vs MLB pitchers)
Where he leaks
quality of contact allowed · season
Barrel% allowed
0.0%
Hard-Hit% allowed
81.5%
Fly-ball rate
—
avg HR 106.2 EV · 410 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 · 1 HR
15D · 3 HR
30D · 6 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 Zac Gallen.
Arsenal ledger
per-pitch damage against · season
PitchUseEVLAHRRV/100Damage
Fastball Hard
37.0%
86.7
20.8°
9
+1.4
Slider Breaking
21.1%
84.1
7.0°
5
+1.8
Knuckle Curve Breaking
18.6%
84.2
-0.6°
2
+2.9
Changeup Offspeed
17.8%
84.2
8.7°
1
-1.4
Sinker Hard
5.5%
86.1
16.2°
2
+3.3
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 matchups168
HRs allowed (pool)17
Pool HR rate10.1%
Pool HR/game day0.85
Top-15 matchups5
HRs to top-152
Overall HR/FB17.3% 82
HR/9—
FIP4.86 76
xFIP4.56
FIP − xFIP+0.31 66
Barrel% allowed0.0%
Hard-Hit% allowed81.5%
FB%—
K/9—
BB/9—
WHIP—
IP—
Pool = tracked matchup population · pctile chips = MLB-wide percentile (hot ≥ 85) · as of 2026-07-16
Fastball
Hard · 37.0% usage
+1.4
run value against / 100 pitches
Avg EV against86.7 mph
Avg launch angle20.8°
HRs allowed9
Pitches629
Slider
Breaking · 21.1% usage
+1.8
run value against / 100 pitches
Avg EV against84.1 mph
Avg launch angle7.0°
HRs allowed5
Pitches359
Knuckle Curve
Breaking · 18.6% usage
+2.9
run value against / 100 pitches
Avg EV against84.2 mph
Avg launch angle-0.6°
HRs allowed2
Pitches315
Changeup
Offspeed · 17.8% usage
-1.4
run value against / 100 pitches
Avg EV against84.2 mph
Avg launch angle8.7°
HRs allowed1
Pitches302
Sinker
Hard · 5.5% usage
+3.3
run value against / 100 pitches
Avg EV against86.1 mph
Avg launch angle16.2°
HRs allowed2
Pitches93
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 Zac Gallen.
BvP under 20 PA is noise — use it for pitch-mix memory, not projection. Context only: not part of the model score.
HR Log
17 allowed · scored pool
avg 106.2 EV · 410 ft
6 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
2026-07-07
6
0
98.6
2026-07-01
8
1
110.7
2026-06-26
8
2
111.3
2026-06-25
8
0
—
2026-06-20
8
1
107.7
2026-06-14
8
2
110.0
2026-06-09
8
0
109.6
2026-06-03
7
1
107.8
2026-05-29
9
3
113.6
2026-05-23
9
1
111.4
2026-05-18
9
1
112.3
2026-05-12
9
1
109.1
2026-05-07
9
1
111.1
2026-05-01
9
0
108.7
2026-04-25
9
0
110.4
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 — Zac Gallen isn't on a scored slate with park & weather inputs.
Fences vs his leak
wall distance · damage overlay
Wall-distance overlays aren't tracked yet.
Venue splits
his HR/9 by venue
Per-venue HR splits aren't tracked yet.