Stephen Kolek
RHP
KC
9
HRs Allowed
11.7%
HR Rate (Pool)
17.9%
Overall HR/FB
4.36
FIP
4.18
xFIP
+0.18
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
1.0
Pool HR/G ?Home runs allowed per tracked LongDong game day. Used when season HR/9 is unavailable.
17.9%
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.
85th pctile
0.0%
Barrel% Allowed ?Percentage of contact against this pitcher classified as barrels (perfect EV+LA). >12% elite-bad, <5% elite-good.
68.1%
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.
4.36
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.
62th pctile
4.18
xFIP ?FIP with HR/FB normalised to league average. Better predictor of FUTURE HR rate than FIP.
+0.18
FIP − xFIP ?Positive gap = pitcher has been UNLUCKY with HRs (regression coming). Negative = lucky (regression up). >+0.5 elite regression candidate.
59th pctile
11.7%
Pool HR Rate ?% of LongDong scored matchups against this pitcher that resulted in a HR. Internal benchmark.
77
Pool Matchups
9
HRs Allowed (Pool)
4
Top-15 Matchups
0
HRs to Top-15
11.7%
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 | 8 | 1 | 3 | 37.5% | 3.0 | 100.2mph | 98.3mph | 31.3° | 395ft | Up +25.8pp |
| Last 15 | 23 | 3 | 3 | 13.0% | 1.0 | 100.7mph | 98.3mph | 31.3° | 395ft | Flat +1.3pp |
| Last 30 | 50 | 6 | 7 | 14.0% | 1.17 | 98.4mph | 99.8mph | 28.1° | 389ft | Up +2.3pp |
Batted-Ball Damage
98.2
Avg Max EV
112.8
Max EV Allowed
49
Hard-Hit Proxy · 68.1%
0
Barrel Flags · 0.0%
99.7
Avg HR EV
27.6°
Avg HR Launch
381
Avg HR Distance
| Date | Batter | Max EV | HR EV | HR LA | HR Dist | HR? |
|---|---|---|---|---|---|---|
| 2026-06-21 | Nathan Church | 109.7mph | · | · | · | · |
| 2026-06-21 | Lars Nootbaar | 106.6mph | · | · | · | · |
| 2026-06-21 | Alec Burleson | 106.5mph | · | · | · | · |
| 2026-06-21 | Iván Herrera | 104.6mph | 100.8mph | 29° | 414ft | Yes |
| 2026-06-21 | Masyn Winn | 100.5mph | 100.5mph | 25° | 410ft | Yes |
| 2026-06-21 | JJ Wetherholt | 93.7mph | 93.7mph | 40° | 360ft | Yes |
| 2026-06-14 | Cam Smith | 108.1mph | · | · | · | · |
| 2026-06-14 | Christian Walker | 107.9mph | · | · | · | · |
HRs Allowed Per Game Day
HRs Allowed
| Date | Batter | Rank | Score | Stadium | EV | Angle | Dist |
|---|---|---|---|---|---|---|---|
| 2026-06-21 | Iván Herrera | #154 | 39 | Kauffman Stadium | 100.8mph | 29.0° | 414ft |
| 2026-06-21 | JJ Wetherholt | #181 | 35 | Kauffman Stadium | 93.7mph | 40.0° | 360ft |
| 2026-06-21 | Masyn Winn | #225 | 22 | Kauffman Stadium | 100.5mph | 25.0° | 410ft |
| 2026-06-03 | Blake Dunn | #186 | 34 | Great American Ball Park | 97.7mph | 27.0° | 368ft |
| 2026-05-29 | Joc Pederson | #97 | 48 | Globe Life Field | 96.2mph | 23.0° | 339ft |
| 2026-05-29 | Brandon Nimmo | #133 | 44 | Globe Life Field | 108.1mph | 33.0° | 435ft |
| 2026-05-29 | Nicky Lopez | #231 | 23 | Globe Life Field | 101.7mph | 20.0° | 397ft |
| 2026-05-12 | Chase Meidroth | #242 | 12 | Rate Field | 99.8mph | 25.0° | 359.0ft |
| 2026-05-05 | Rhys Hoskins | #111 | 30 | Kauffman Stadium | 98.4mph | 26.0° | 343.0ft |
Pitch Arsenal
| Pitch | Pitches | Usage | RV/100 | Avg EV | Avg LA | HRs |
|---|---|---|---|---|---|---|
| Fastball | 212 | 27.7% | -0.4 | 82.2 | 28.2° | 1 |
| Sinker | 171 | 22.4% | +0.1 | 85.9 | 6.9° | 1 |
| Slider | 126 | 16.5% | -0.4 | 84.4 | 16.8° | 2 |
| Changeup | 95 | 12.4% | -0.9 | 81.8 | 1.3° | 0 |
| Cutter | 88 | 11.5% | -0.2 | 82.1 | 12.3° | 3 |
| Sweeper | 72 | 9.4% | +3.6 | 89.1 | 5.2° | 1 |
Quality of Contact
Barrel%
0.0%
HardHit%
68.1%
All Scored Matchups
| Date | Batter | Rank | Score | Tier | Form | HR? |
|---|---|---|---|---|---|---|
| 2026-06-21 | Masyn Winn | #225 | 22 | ⚪ D | 📈 WARM | 💥 |
| 2026-06-21 | Jimmy Crooks | #193 | 32 | ⚪ D | 🔥 HOT | · |
| 2026-06-21 | Nathan Church | #186 | 34 | ⚪ D | 📉 COOL | · |
| 2026-06-21 | JJ Wetherholt | #181 | 35 | ⚪ D | ➖ NTRL | 💥 |
| 2026-06-21 | Lars Nootbaar | #156 | 39 | ⚪ D | ➖ NTRL | · |
| 2026-06-21 | Iván Herrera | #154 | 39 | ⚪ D | ➖ NTRL | 💥 |
| 2026-06-21 | Alec Burleson | #75 | 54 | 🟠 C | 📈 WARM | · |
| 2026-06-21 | Jordan Walker | #69 | 57 | 🟠 C | ➖ NTRL | · |
| 2026-06-14 | Joey Loperfido | #209 | 26 | ⚪ D | 📈 WARM | · |
| 2026-06-14 | Jake Meyers | #191 | 31 | ⚪ D | ❄ COLD | · |
| 2026-06-14 | Jeremy Peña | #186 | 33 | ⚪ D | ➖ NTRL | · |
| 2026-06-14 | Brice Matthews | #132 | 43 | ⚪ D | 📉 COOL | · |
| 2026-06-14 | Cam Smith | #97 | 48 | ⚪ D | 📈 WARM | · |
| 2026-06-14 | Christian Walker | #42 | 60 | 🔵 C+ | 📉 COOL | · |
| 2026-06-09 | Ezequiel Duran | #187 | 32 | ⚪ D | ❄ COLD | · |
| 2026-06-09 | Evan Carter | #178 | 34 | ⚪ D | ❄ COLD | · |
| 2026-06-09 | Kyle Higashioka | #130 | 42 | ⚪ D | ➖ NTRL | · |
| 2026-06-09 | Jake Burger | #128 | 42 | ⚪ D | 📉 COOL | · |
| 2026-06-09 | Josh Jung | #126 | 42 | ⚪ D | 📉 COOL | · |
| 2026-06-09 | Brandon Nimmo | #123 | 43 | ⚪ D | ➖ NTRL | · |
| 2026-06-09 | Wyatt Langford | #121 | 43 | ⚪ D | 📈 WARM | · |
| 2026-06-09 | Corey Seager | #51 | 56 | 🟠 C | ➖ NTRL | · |
| 2026-06-09 | Joc Pederson | #41 | 58 | 🟠 C | 📈 WARM | · |
| 2026-06-03 | Blake Dunn | #186 | 34 | ⚪ D | 📉 COOL | 💥 |
| 2026-06-03 | Matt McLain | #133 | 41 | ⚪ D | 📉 COOL | · |
| 2026-06-03 | Tyler Stephenson | #104 | 46 | ⚪ D | 📉 COOL | · |
| 2026-06-03 | Eugenio Suárez | #96 | 48 | ⚪ D | 📈 WARM | · |
| 2026-06-03 | Will Benson | #93 | 48 | ⚪ D | 📉 COOL | · |
| 2026-06-03 | Spencer Steer | #71 | 52 | 🟠 C | 📉 COOL | · |
| 2026-06-03 | Sal Stewart | #54 | 56 | 🟠 C | 📉 COOL | · |
| 2026-06-03 | Nathaniel Lowe | #5 | 72 | 🟡 B | 📉 COOL | · |
| 2026-06-03 | JJ Bleday | #1 | 77 | 🟡 B | 📉 COOL | · |
| 2026-05-29 | Alejandro Osuna | #250 | 12 | ⚪ D | ➖ NTRL | · |
| 2026-05-29 | Nicky Lopez | #231 | 23 | ⚪ D | ❄ COLD | 💥 |
| 2026-05-29 | Danny Jansen | #188 | 33 | ⚪ D | ➖ NTRL | · |
| 2026-05-29 | Josh Jung | #185 | 33 | ⚪ D | 📉 COOL | · |
| 2026-05-29 | Evan Carter | #160 | 38 | ⚪ D | ➖ NTRL | · |
| 2026-05-29 | Ezequiel Duran | #151 | 40 | ⚪ D | ➖ NTRL | · |
| 2026-05-29 | Brandon Nimmo | #133 | 44 | ⚪ D | 📈 WARM | 💥 |
| 2026-05-29 | Joc Pederson | #97 | 48 | ⚪ D | 📈 WARM | 💥 |
| 2026-05-29 | Jake Burger | #72 | 53 | 🟠 C | 📈 WARM | · |
| 2026-05-23 | Cole Young | #224 | 33 | ⚪ D | 📉 COOL | · |
| 2026-05-23 | Josh Naylor | #223 | 33 | ⚪ D | ➖ NTRL | · |
| 2026-05-23 | Colt Emerson | #160 | 42 | ⚪ D | 📈 WARM | · |
| 2026-05-23 | J.P. Crawford | #159 | 42 | ⚪ D | ➖ NTRL | · |
| 2026-05-23 | Randy Arozarena | #150 | 44 | ⚪ D | ➖ NTRL | · |
| 2026-05-23 | Dominic Canzone | #133 | 46 | ⚪ D | ❄ COLD | · |
| 2026-05-23 | Julio Rodríguez | #128 | 47 | ⚪ D | ➖ NTRL | · |
| 2026-05-23 | Jhonny Pereda | #110 | 49 | ⚪ D | 🔥 HOT | · |
| 2026-05-23 | Luke Raley | #27 | 67 | 🔵 C+ | 📉 COOL | · |
| 2026-05-17 | Victor Scott II | #257 | 17 | ⚪ D | ❄ COLD | · |
| 2026-05-17 | Thomas Saggese | #226 | 28 | ⚪ D | 📈 WARM | · |
| 2026-05-17 | Masyn Winn | #220 | 29 | ⚪ D | ➖ NTRL | · |
| 2026-05-17 | Iván Herrera | #190 | 34 | ⚪ D | ❄ COLD | · |
| 2026-05-17 | Nathan Church | #158 | 41 | ⚪ D | ❄ COLD | · |
| 2026-05-17 | JJ Wetherholt | #139 | 44 | ⚪ D | 📉 COOL | · |
| 2026-05-17 | Nolan Gorman | #115 | 48 | ⚪ D | 📈 WARM | · |
| 2026-05-17 | Alec Burleson | #106 | 50 | 🟠 C | 📉 COOL | · |
| 2026-05-17 | Jordan Walker | #15 | 80 | 🟢 A | 📉 COOL | · |
| 2026-05-12 | Tristan Peters | #251 | 7 | ⚪ D | ❄ COLD | · |
| 2026-05-12 | Luisangel Acuña | #247 | 10 | ⚪ D | 📈 WARM | · |
| 2026-05-12 | Chase Meidroth | #242 | 12 | ⚪ D | ❄ COLD | 💥 |
| 2026-05-12 | Edgar Quero | #228 | 17 | ⚪ D | 📈 WARM | · |
| 2026-05-12 | Andrew Benintendi | #181 | 26 | ⚪ D | 📉 COOL | · |
| 2026-05-12 | Everson Pereira | #97 | 35 | ⚪ D | 📈 WARM | · |
| 2026-05-12 | Miguel Vargas | #52 | 42 | ⚪ D | 📈 WARM | · |
| 2026-05-12 | Colson Montgomery | #43 | 43 | ⚪ D | ➖ NTRL | · |
| 2026-05-12 | Munetaka Murakami | #14 | 53 | 🟠 C | 📈 WARM | · |
| 2026-05-05 | Steven Kwan | #253 | 8 | ⚪ D | 📉 COOL | · |
| 2026-05-05 | Bo Naylor | #248 | 9 | ⚪ D | ❄ COLD | · |
| 2026-05-05 | Kyle Manzardo | #242 | 10 | ⚪ D | ❄ COLD | · |
| 2026-05-05 | Brayan Rocchio | #207 | 16 | ⚪ D | ❄ COLD | · |
| 2026-05-05 | Chase DeLauter | #196 | 17 | ⚪ D | ❄ COLD | · |
| 2026-05-05 | Rhys Hoskins | #111 | 30 | ⚪ D | ➖ NTRL | 💥 |
| 2026-05-05 | José Ramírez | #64 | 42 | ⚪ D | 📉 COOL | · |
| 2026-05-05 | Daniel Schneemann | #34 | 55 | 🟠 C | ➖ NTRL | · |
| 2026-05-05 | Angel Martínez | #17 | 67 | 🔵 C+ | 📉 COOL | · |