25
HRs allowed
10.9%
HR rate (pool)
19.1%
Overall HR/FB
4.31
FIP
3.8
xFIP
+0.52
FIP − xFIP gap
Leak meter
STINGY
LEAKY
83
season HR/FB pctile vs MLB pitchers — higher = more HR-prone
Tonight's read
vulnerability percentile · model flags
no model flags today
Vulnerability 83th pctile (season HR/FB pctile vs MLB pitchers)
Where he leaks
quality of contact allowed · season
Barrel% allowed
18.7%
Hard-Hit% allowed
73.2%
Fly-ball rate
—
avg HR 103.7 EV · 398 ft
max EV allowed 119.0
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 · 1 HR
30D · 2 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 Foster Griffin.
Arsenal ledger
per-pitch damage against · season
PitchUseEVLAHRRV/100Damage
Cutter Hard
31.4%
81.0
23.4°
9
-0.8
Fastball Hard
16.8%
82.8
28.2°
4
+0.2
Sweeper Breaking
15.6%
82.2
15.9°
5
+0.2
Changeup Offspeed
11.7%
79.4
3.7°
0
-0.3
Sinker Hard
10.4%
77.1
11.1°
1
-1.6
Curveball Breaking
8.5%
85.2
1.9°
4
+3.6
Splitter Offspeed
5.7%
79.8
24.2°
0
+0.3
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 matchups230
HRs allowed (pool)25
Pool HR rate10.9%
Pool HR/game day0.89
Top-15 matchups15
HRs to top-152
Overall HR/FB19.1% 83
HR/9—
FIP4.31 61
xFIP3.8
FIP − xFIP+0.52 77
Barrel% allowed18.7%
Hard-Hit% allowed73.2%
FB%—
K/9—
BB/9—
WHIP—
IP—
Pool = tracked matchup population · pctile chips = MLB-wide percentile (hot ≥ 85) · as of 2026-10-17
Cutter
Hard · 31.4% usage
-0.8
run value against / 100 pitches
Avg EV against81.0 mph
Avg launch angle23.4°
HRs allowed9
Pitches943
Fastball
Hard · 16.8% usage
+0.2
run value against / 100 pitches
Avg EV against82.8 mph
Avg launch angle28.2°
HRs allowed4
Pitches504
Sweeper
Breaking · 15.6% usage
+0.2
run value against / 100 pitches
Avg EV against82.2 mph
Avg launch angle15.9°
HRs allowed5
Pitches469
Changeup
Offspeed · 11.7% usage
-0.3
run value against / 100 pitches
Avg EV against79.4 mph
Avg launch angle3.7°
HRs allowed0
Pitches351
Sinker
Hard · 10.4% usage
-1.6
run value against / 100 pitches
Avg EV against77.1 mph
Avg launch angle11.1°
HRs allowed1
Pitches312
Curveball
Breaking · 8.5% usage
+3.6
run value against / 100 pitches
Avg EV against85.2 mph
Avg launch angle1.9°
HRs allowed4
Pitches256
Splitter
Offspeed · 5.7% usage
+0.3
run value against / 100 pitches
Avg EV against79.8 mph
Avg launch angle24.2°
HRs allowed0
Pitches170
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 Foster Griffin.
BvP under 20 PA is noise — use it for pitch-mix memory, not projection. Context only: not part of the model score.
HR Log
25 allowed · scored pool
avg 103.7 EV · 398 ft
2 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
2026-09-23
9
0
106.5
2026-09-15
9
0
102.3
2026-09-09
7
1
108.3
2026-09-04
8
1
105.4
2026-08-29
8
0
111.8
2026-08-23
8
0
109.4
2026-08-18
8
1
108.2
2026-08-12
8
1
105.5
2026-08-06
7
3
105.5
2026-07-31
7
1
110.6
2026-07-25
9
0
109.6
2026-07-19
8
0
111.4
2026-07-08
9
0
102.1
2026-07-03
9
1
112.7
2026-06-27
8
0
111.3
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 — Foster Griffin isn't on a scored slate with park & weather inputs.
Fences vs his leak
wall distance · damage overlay
Foster Griffin isn't on a scored slate — no park to compare his damage against.
Venue splits
HRs allowed by venue · pool
VenueFacedHRRate
76
9
12%
40
5
12%
9
3
33%
6
3
50%
16
1
6%
15
1
7%
HRs allowed ÷ scored matchups at each park · top 6 of 14. Rate is per scored matchup, not HR/9 — box-score innings aren't tracked.
Common questions about Foster Griffin
How many home runs has Foster Griffin allowed this season?
Foster Griffin has allowed 25 home runs across 28 scored game days in the TheHomeRuns pool this season.
Which batters have homered off Foster Griffin?
In the TheHomeRuns scored pool, the batters with home runs against Foster Griffin include Bryce Eldridge (2), Bo Bichette (1), Brandon Marsh (1) and 20 more.
Model output for entertainment and research. Not gambling advice.