0
HRs allowed
0.0%
HR rate (pool)
20.3%
Overall HR/FB
2.74
FIP
2.75
xFIP
-0.01
FIP − xFIP gap
Leak meter
STINGY
LEAKY
89
season HR/FB pctile vs MLB pitchers — higher = more HR-prone
Tonight's read
vulnerability percentile · model flags
no model flags today
Vulnerability 89th pctile (season HR/FB pctile vs MLB pitchers)
Where he leaks
quality of contact allowed · season
Barrel% allowed
0.0%
Hard-Hit% allowed
65.2%
Fly-ball rate
—
max EV allowed 108.2
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 · 0 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 Mason Montgomery.
Arsenal ledger
per-pitch damage against · season
PitchUseEVLAHRRV/100Damage
Fastball Hard
58.9%
82.8
26.7°
1
-0.4
Slider Breaking
17.3%
78.4
-1.8°
0
-3.2
Curveball Breaking
16.1%
83.6
1.2°
2
+1.7
Sinker Hard
3.9%
84.3
23.6°
1
+2.8
Changeup Offspeed
3.8%
80.1
-18.8°
0
-2.8
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 matchups26
HRs allowed (pool)0
Pool HR rate0.0%
Pool HR/game day0.0
Top-15 matchups2
HRs to top-150
Overall HR/FB20.3% 89
HR/9—
FIP2.74 10
xFIP2.75
FIP − xFIP-0.01 46
Barrel% allowed0.0%
Hard-Hit% allowed65.2%
FB%—
K/9—
BB/9—
WHIP—
IP—
Pool = tracked matchup population · pctile chips = MLB-wide percentile (hot ≥ 85) · as of 2026-07-17
Fastball
Hard · 58.9% usage
-0.4
run value against / 100 pitches
Avg EV against82.8 mph
Avg launch angle26.7°
HRs allowed1
Pitches406
Slider
Breaking · 17.3% usage
-3.2
run value against / 100 pitches
Avg EV against78.4 mph
Avg launch angle-1.8°
HRs allowed0
Pitches119
Curveball
Breaking · 16.1% usage
+1.7
run value against / 100 pitches
Avg EV against83.6 mph
Avg launch angle1.2°
HRs allowed2
Pitches111
Sinker
Hard · 3.9% usage
+2.8
run value against / 100 pitches
Avg EV against84.3 mph
Avg launch angle23.6°
HRs allowed1
Pitches27
Changeup
Offspeed · 3.8% usage
-2.8
run value against / 100 pitches
Avg EV against80.1 mph
Avg launch angle-18.8°
HRs allowed0
Pitches26
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 Mason Montgomery.
BvP under 20 PA is noise — use it for pitch-mix memory, not projection. Context only: not part of the model score.
HR Log
0 allowed · scored pool
No home runs allowed in our scored matchups.
Game-day log
last 3 scored game days · pool
DateStadiumMatchupsHRMax EV
2026-06-07
8
0
105.2
2026-05-14
9
0
108.2
2026-04-27
9
0
103.2
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 — Mason Montgomery 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.