Jack Perkins
RHP
ATH
6
HRs Allowed
20.0%
HR Rate (Pool)
6.4%
Overall HR/FB
3.25
FIP
3.79
xFIP
-0.54
FIP-xFIP Gap
HR Vulnerability Snapshot
?Pitcher's HR-relevant profile. Red = HR-favorable for batters, blue = HR-resistant. Same vocabulary as batter cards.
Pool + today context
1.5
Pool HR/G ?Home runs allowed per tracked LongDong game day. Used when season HR/9 is unavailable.
6.4%
Overall HR/FB ?Pitcher's overall season HR-per-fly-ball rate. Matchup rows may show handedness splits such as vs LHH or vs RHH.
7th pctile
0.0%
Barrel% Allowed ?Percentage of contact against this pitcher classified as barrels (perfect EV+LA). >12% elite-bad, <5% elite-good.
58.3%
Hard-Hit% Allowed ?% of batted balls hit ≥95 mph against this pitcher. >45% elite homer-prone, <33% elite homer-resistant.
·
FB% ?Fly-ball rate (% of batted balls that are fly balls). >45% extreme fly-ball pitcher — gives up many HRs. <30% ground-ball pitcher — HR-resistant.
3.25
FIP ?Fielding Independent Pitching. >5.0 elite-bad, 4.0–5.0 above avg, <3.5 elite-good. Isolates pitcher's HR/K/BB skill from defense.
24th pctile
3.79
xFIP ?FIP with HR/FB normalised to league average. Better predictor of FUTURE HR rate than FIP.
-0.54
FIP − xFIP ?Positive gap = pitcher has been UNLUCKY with HRs (regression coming). Negative = lucky (regression up). >+0.5 elite regression candidate.
22th pctile
20.0%
Pool HR Rate ?% of LongDong scored matchups against this pitcher that resulted in a HR. Internal benchmark.
30
Pool Matchups
6
HRs Allowed (Pool)
0
Top-15 Matchups
0
HRs to Top-15
20.0%
HR Rate
Recent HR Splits
| Window | Matchups | Game Days | HR | HR Rate | HR/Game | Avg Max EV | Avg HR EV | Avg HR LA | Avg HR Dist | Trend |
|---|---|---|---|---|---|---|---|---|---|---|
| Last 7 | 14 | 2 | 5 | 35.7% | 2.5 | 98.6mph | 99.5mph | 29.0° | 384ft | Up +15.7pp |
| Last 15 | 23 | 3 | 5 | 21.7% | 1.67 | 96.2mph | 99.5mph | 29.0° | 384ft | Flat +1.7pp |
| Last 30 | 30 | 4 | 6 | 20.0% | 1.5 | 95.5mph | 100.2mph | 30.5° | 382ft | Flat +0.0pp |
Batted-Ball Damage
95.5
Avg Max EV
106.0
Max EV Allowed
14
Hard-Hit Proxy · 58.3%
0
Barrel Flags · 0.0%
100.2
Avg HR EV
30.5°
Avg HR Launch
382
Avg HR Distance
| Date | Batter | Max EV | HR EV | HR LA | HR Dist | HR? |
|---|---|---|---|---|---|---|
| 2026-06-21 | Denzer Guzman | 104.6mph | 101.6mph | 23° | 416ft | Yes |
| 2026-06-21 | Donovan Walton | 99.5mph | 99.5mph | 34° | 391ft | Yes |
| 2026-06-21 | Zach Neto | 98.7mph | 94.4mph | 33° | 391ft | Yes |
| 2026-06-16 | Ryan O'Hearn | 106.0mph | · | · | · | · |
| 2026-06-16 | Bryan Reynolds | 105.4mph | 97.3mph | 31° | 350ft | Yes |
| 2026-06-16 | Brandon Lowe | 104.6mph | 104.6mph | 24° | 371ft | Yes |
| 2026-06-10 | Joey Ortiz | 101.1mph | · | · | · | · |
| 2026-06-05 | Jeremy Peña | 105.7mph | · | · | · | · |
HRs Allowed Per Game Day
HRs Allowed
| Date | Batter | Rank | Score | Stadium | EV | Angle | Dist |
|---|---|---|---|---|---|---|---|
| 2026-06-21 | Zach Neto | #19 | 68 | Sutter Health Park | 94.4mph | 33.0° | 391ft |
| 2026-06-21 | Donovan Walton | #70 | 57 | Sutter Health Park | 99.5mph | 34.0° | 391ft |
| 2026-06-21 | Denzer Guzman | #163 | 37 | Sutter Health Park | 101.6mph | 23.0° | 416ft |
| 2026-06-16 | Brandon Lowe | #29 | 65 | Sutter Health Park | 104.6mph | 24.0° | 371ft |
| 2026-06-16 | Bryan Reynolds | #82 | 53 | Sutter Health Park | 97.3mph | 31.0° | 350ft |
| 2026-06-05 | Isaac Paredes | #125 | 43 | Minute Maid Park | 103.9mph | 38.0° | 376ft |
Pitch Arsenal
| Pitch | Pitches | Usage | RV/100 | Avg EV | Avg LA | HRs |
|---|---|---|---|---|---|---|
| Fastball | 290 | 38.1% | +0.1 | 82.4 | 27.8° | 2 |
| Sweeper | 242 | 31.8% | -1.3 | 79.8 | 15.1° | 1 |
| Changeup | 124 | 16.3% | +0.5 | 82.5 | -6.0° | 0 |
| Cutter | 67 | 8.8% | +2.3 | 81.9 | 14.9° | 1 |
| Slider | 20 | 2.6% | -6.2 | 79.0 | -6.0° | 0 |
Quality of Contact
Barrel%
0.0%
HardHit%
58.3%
All Scored Matchups
| Date | Batter | Rank | Score | Tier | Form | HR? |
|---|---|---|---|---|---|---|
| 2026-06-21 | Denzer Guzman | #163 | 37 | ⚪ D | ➖ NTRL | 💥 |
| 2026-06-21 | Nolan Schanuel | #160 | 38 | ⚪ D | 📈 WARM | · |
| 2026-06-21 | Wade Meckler | #117 | 45 | ⚪ D | 📉 COOL | · |
| 2026-06-21 | Jo Adell | #111 | 46 | ⚪ D | 📉 COOL | · |
| 2026-06-21 | Logan O'Hoppe | #95 | 48 | ⚪ D | ➖ NTRL | · |
| 2026-06-21 | Donovan Walton | #70 | 57 | 🟠 C | 📉 COOL | 💥 |
| 2026-06-21 | Zach Neto | #19 | 68 | 🔵 C+ | 📈 WARM | 💥 |
| 2026-06-16 | Jake Mangum | #220 | 18 | ⚪ D | ❄ COLD | · |
| 2026-06-16 | Marcell Ozuna | #185 | 32 | ⚪ D | ❄ COLD | · |
| 2026-06-16 | Nick Gonzales | #165 | 37 | ⚪ D | 📈 WARM | · |
| 2026-06-16 | Ryan O'Hearn | #100 | 49 | ⚪ D | 📉 COOL | · |
| 2026-06-16 | Bryan Reynolds | #82 | 53 | 🟠 C | 📈 WARM | 💥 |
| 2026-06-16 | Spencer Horwitz | #77 | 54 | 🟠 C | 📈 WARM | · |
| 2026-06-16 | Brandon Lowe | #29 | 65 | 🔵 C+ | 📉 COOL | 💥 |
| 2026-06-10 | Luis Rengifo | #224 | 19 | ⚪ D | ❄ COLD | · |
| 2026-06-10 | Joey Ortiz | #222 | 20 | ⚪ D | 📉 COOL | · |
| 2026-06-10 | Sal Frelick | #186 | 30 | ⚪ D | 📈 WARM | · |
| 2026-06-10 | Christian Yelich | #162 | 35 | ⚪ D | 📉 COOL | · |
| 2026-06-10 | William Contreras | #137 | 40 | ⚪ D | 📉 COOL | · |
| 2026-06-10 | David Hamilton | #123 | 43 | ⚪ D | 📈 WARM | · |
| 2026-06-10 | Garrett Mitchell | #122 | 43 | ⚪ D | ➖ NTRL | · |
| 2026-06-10 | Brice Turang | #69 | 53 | 🟠 C | ➖ NTRL | · |
| 2026-06-10 | Jake Bauers | #16 | 71 | 🟡 B | ➖ NTRL | · |
| 2026-06-05 | Christian Vázquez | #207 | 26 | ⚪ D | ❄ COLD | · |
| 2026-06-05 | Nick Allen | #183 | 33 | ⚪ D | 📈 WARM | · |
| 2026-06-05 | Jake Meyers | #175 | 34 | ⚪ D | 📉 COOL | · |
| 2026-06-05 | Jeremy Peña | #135 | 42 | ⚪ D | 📈 WARM | · |
| 2026-06-05 | Cam Smith | #133 | 42 | ⚪ D | ➖ NTRL | · |
| 2026-06-05 | Isaac Paredes | #125 | 43 | ⚪ D | ➖ NTRL | 💥 |
| 2026-06-05 | Christian Walker | #31 | 64 | 🔵 C+ | ➖ NTRL | · |