P | Kansas City Royals
Bats/Throws: R/R | 6' 3" 210 lbs | Age: 29
Draft: 2018 | Rd. 11, No. 344, Los Angeles Dodgers | Texas A&M
W L ERA G GS SV IP SO WHIP
2024 3 0 5.21 42 0 0 46.2 39 1.52
2025 5 7 3.51 19 19 0 112.2 77 1.14
2026 2 0 4.24 3 3 0 17 12 1.00
3 Seasons 10 7 4.03 64 22 0 176.1 128 1.23
G W-L ERA IP SO WHIP
2024 42 3-0 5.21 46.2 39 1.52
2025 19 5-7 3.51 112.2 77 1.14
2026 3 2-0 4.24 17 12 1.00
3 Seasons 64 10-7 4.03 176.1 128 1.23
MLB Percentile Rankings
Movement Profile (Induced Break)
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Statcast Statistics

Season Age Pitches Batted
Balls
Barrels Barrel % Barrel/PA Exit
Velocity
Max EV Launch
Angle
LA Sweet-
Spot %
xBA xSLG wOBA xwOBA xwOBAcon HardHit% K% BB% ERA xERA
2024 27 797 156 6 3.8 2.8 88.1 113.5 3.6 30.8 .280 .416 .336 .332 .381 41.0 18.5 5.7 5.21 4.55
2025 28 1689 346 21 6.1 4.6 91.1 111.9 7.4 32.9 .261 .406 .280 .321 .352 48.0 16.7 6.7 3.52 4.30
2026 29 259 52 4 7.7 5.8 89.8 112.8 11.6 32.7 .271 .393 .278 .317 .352 44.2 17.4 5.8 4.24 4.01
Player 2745 554 31 5.6 4.2 90.2 113.5 6.8 32.3 .267 .408 .296 .324 .360 45.7 17.3 6.3
MLB 7.6 4.9 88.6 122.9 12.5 33.3 .243 .408 .315 .316 .369 37.0 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Kolek relies on 6 pitches.
Four Seamer
(26.6%) ,
Sinker
(22.4%) ,
Cutter
(15.8%) ,
Changeup
(15.4%) ,
Slider
(10.4%) ,
Sweeper
(9.3%) ,


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Pitch Tracking



Batted Ball Profile

AIR: Fly Balls + Line Drives + Popups All Batted Balls Batted Ball Breakdown
Season GB % AIR % FB % LD % PU % Pull % Straight % Oppo % Pull GB % Straight GB % Oppo GB % Pull AIR % Straight AIR % Oppo AIR %
2024 56.4 43.6 16.7 25.6 1.3 28.2 39.1 32.7 21.8 25.0 9.6 6.4 14.1 23.1
2025 51.7 48.3 22.3 22.5 3.5 36.7 39.6 23.7 23.4 23.4 4.9 13.3 16.2 18.8
2026 50.0 50.0 21.2 23.1 5.8 51.9 28.8 19.2 34.6 11.5 3.8 17.3 17.3 15.4
Player 52.9 47.1 20.6 23.5 3.1 35.7 38.4 25.8 24.0 22.7 6.1 11.7 15.7 19.7
MLB 44.2 55.8 24.1 24.6 7.1 37.4 37.3 25.1 20.7 17.6 5.9 16.8 19.7 19.3
! Note: All figures in this table cover the period 2015-present.

Quality of Contact

Season Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2024 4.5 46.8 12.2 26.9 5.8 3.8 2.8
2025 2.6 37.0 19.1 26.0 8.1 6.1 4.6
2026 3.8 32.7 19.2 28.8 7.7 7.7 5.8
Player 3.2 39.4 17.1 26.5 7.4 5.6 4.2
MLB 4.0 32.4 24.9 24.4 5.9 7.6 4.9
! Note: All figures in this table cover the period 2015-present.

Pitch Movement


How this works: This section shows two different ways to evaluate pitch movement. On the left, “Total Movement” shows the real-world movement of a pitch, including the forces of gravity, which affects every pitch thrown. Since gravity requires time, and slower pitches aren't 'better' just because they have more time to move, a pitch's movement is compared to other pitches of the same pitch type, within +/- 2 MPH and +/- 0.5 feet of extension/release. On the right, Induced Movement (or IVB) is reported without gravity, and attempts to isolate movement created by the pitcher's ability to spin and manipulate the ball.
Total Movement (in inches, w/ gravity)Induced Movement (in inches, w/o gravity)
YearPitchTeamHand#MPHVertical
Drop
vs.
Comparable
Horizontal
Break
vs.
Comparable
Vertical
Break
vs. AvgHorizontal
Break
vs. Avg
2026 4-Seam Fastball KC R 69 94.3 17.4 -2.3 6.7ARM -1.6 13.3 -2.7 6.7ARM -1.1
2026 Changeup KC R 40 87.6 34.0 0.9 11.8ARM -3.1 1.9 2.1 11.8ARM -2.9
2026 Cutter KC R 41 89.7 28.4 -2.8 2.5GLV 0.7 5.3 -3.0 2.5GLV 0.2
2026 Sinker KC R 58 93.8 27.4 3.6 14.4ARM -1.6 3.9 3.8 14.4ARM -1.0
2026 Sweeper KC R 24 79.9 48.6 7.2 15.1GLV 0.1 -5.6 6.8 15.1GLV 1.3
2026 Slider KC R 27 85.2 39.0 2.6 3.9GLV -0.7 -1.5 2.9 3.9GLV -0.2
2025 Cutter KC R 256 90.5 25.6 -0.7 0.0GLV -1.2 7.6 -0.8 0.0GLV -2.2
2025 Sinker KC R 407 93.6 27.0 2.5 16.0ARM 0.2 4.4 3.0 16.0ARM 0.9
2025 Changeup KC R 196 87.5 36.5 3.2 13.5ARM -1.2 -0.5 4.6 13.5ARM -1.0
2025 4-Seam Fastball KC R 433 94.0 18.1 -2.2 8.2ARM -0.4 12.9 -2.9 8.2ARM 0.6
2025 Slider KC R 279 85.4 37.8 1.8 2.8GLV -2.8 -0.4 2.2 2.8GLV -1.5
2025 Curveball KC R 1 78.6 55.5 2.5 10.5GLV -1.4 -11.0 0.8 10.5GLV 1.5
2025 Sweeper KC R 117 82.5 40.7 2.1 14.1GLV 0.2 -0.2 1.1 14.1GLV 0.2
! Note: Years are in reverse order.

Run Values by Pitch Type

Year Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2026 4-Seam Fastball 1.3 1 69 26.6 11 .200 .200 .309 13.2 0.0 0.0 .411 .679 .486 40.0
2026 Sinker 0.0 0 58 22.4 21 .316 .526 .393 0.0 19.0 22.2 .278 .409 .334 53.3
2026 Cutter 0.6 0 41 15.8 12 .167 .417 .242 15.8 16.7 33.3 .212 .304 .225 50.0
2026 Changeup 2.6 1 40 15.4 8 .000 .000 .088 31.3 37.5 27.3 .223 .241 .265 50.0
2026 Slider -1.1 0 27 10.4 11 .200 .500 .327 33.3 27.3 21.4 .169 .285 .238 42.9
2026 Sweeper 2.5 1 24 9.3 6 .167 .167 .150 12.5 0.0 0.0 .360 .404 .333 16.7
2025 4-Seam Fastball 0.6 3 433 25.6 110 .200 .389 .297 15.4 22.7 16.8 .245 .470 .350 51.4
2025 Sinker 0.8 3 407 24.1 132 .267 .310 .328 13.1 9.8 15.3 .272 .363 .327 51.5
2025 Slider -0.1 0 279 16.5 83 .237 .375 .295 21.3 18.1 15.5 .296 .400 .312 49.3
2025 Cutter 1.7 4 256 15.2 66 .276 .345 .314 19.0 13.6 24.3 .258 .424 .330 44.0
2025 Changeup 2.6 5 196 11.6 42 .049 .049 .108 24.7 26.2 21.2 .163 .245 .203 41.9
2025 Sweeper -3.5 -4 117 6.9 27 .407 .630 .446 18.4 14.8 10.8 .309 .581 .377 34.8
2025 Curveball -4.1 0 1 0.1 -- -- -- -- -- -- -- -- -- --
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.

Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2026 Changeup 34 87.7 68 12.8 1:45 2:45 -60
2026 Cutter 41 89.7 32 5.2 12:15 10:45 90
2026 4-Seam Fastball 69 94.3 86 14.4 1:15 1:00 15
2026 Sinker 58 93.8 72 15.4 1:15 2:45 -90
2026 Slider 27 85.2 26 5.2 9:00 7:45 75
2026 Sweeper 24 79.9 70 17.8 7:30 8:00 -30
2025 Changeup 135 87.5 72 14.2 2:00 3:00 -60
2025 Cutter 256 90.5 40 6.9 1:00 12:00 60
2025 4-Seam Fastball 433 94.0 88 14.9 1:30 1:15 15
2025 Sinker 395 93.6 76 17.2 1:30 2:45 -75
2025 Slider 279 85.4 25 4.0 8:45 8:00 45
2025 Sweeper 117 82.5 45 15.4 8:00 8:45 -45
! Note: Years are in reverse order.
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! Note: This table is showing data from the PITCHER perspective.
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Pitcher Arm Angle

! Note: Data is available from 2020 through the present.
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Statcast Pitching Run Value

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2024 211 797 -2 7 -4 -3 -2
2025 460 1,689 18 10 -10 -7 11
2026 69 259 -1 7 -2 -1 2
Player 740 2,745 14 24 -15 14 11
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Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2024 797 54.1 67.5 85.2 27.9 60.8 44.5 64.9 49.3 21.1 8.3 63.6
2025 1,689 51.7 66.0 89.6 26.3 62.6 44.6 63.1 46.8 17.7 8.7 70.7
2026 259 51.4 65.4 89.7 27.8 68.6 49.8 63.8 47.1 16.4 5.4 64.3
Player 2,745 52.4 66.4 88.3 26.9 62.7 45.1 63.7 47.6 18.6 8.3 68.3
MLB 48.7 67.0 82.6 28.5 58.0 42.7 61.1 47.3 25.0 7.3 76.2
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Run Value Pitching
Year Pitching Fastball Breaking Off
Speed
xERA Fastball
MPH
Fastball
Spin
Curve
Spin
Avg
EV
Chase% Whiff% K% BB% Barrel% Hard-
Hit%
GB% Extension
2024 35 61 13 56 22 71 42 71 39 13 14 86 96 30 94 40
2025 81 87 18 89 34 41 19 7 25 3 10 73 82 4 87 34
2026 63 57 51 71 48 43 38 34 31 3 20 87 49 23 77 29
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Expected Home Runs

Adjusted

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2024 25.87 4 4.7 -1 2 3 2 50.0
2025 24.37 9 7.9 1 4 8 3 33.3
2026 21.89 3 2.0 1 1 3 0 0.0
Player 24.28 16 14.5 2 7 14 5 31.3
Note: xHR tells how many of this pitcher's batted balls allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Expected Home Runs by Park

Adjusted

Year HR
2024 4 4 4 6 5 5 5 4 4 4 5 6 6 4 5 5 5 4 4 5 4 5 6 5 4 4 4 5 5 4 4
2025 9 7 8 8 8 9 7 5 9 6 10 12 8 12 9 5 7 5 5 11 5 6 12 8 6 6 8 11 6 9 8
2026 3 1 0 2 3 3 3 2 3 4 3 3 0 2 3 2 2 1 2 3 0 0 3 2 2 0 3 3 1 2 1
Player 16 12 12 16 16 17 15 11 16 14 18 21 14 18 17 12 14 10 11 19 9 11 21 15 12 10 15 19 12 15 13
Note: xHR tells how many of this pitcher's batted balls allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Year to Year Changes

2026 +/-   2025 +/-   2024
Results
BA .203 -.032 .235 -.068 .303
xBA .271 +.010 .261 -.019 .280
OBP .261 -.035 .296 -.056 .352
xOBP .324 +.001 .323 -.008 .331
SLG .359 +.018 .341 -.069 .410
xSLG .393 -.013 .406 -.010 .416
ISO .156 +.050 .106 -.002 .108
xISO .122 -.024 .146 +.010 .136
BABIP .204 -.060 .264 -.098 .362
wOBA .278 -.002 .280 -.056 .336
xwOBA .317 -.004 .321 -.011 .332
wOBAcon .301 +.003 .298 -.087 .385
xwOBAcon .352 .000 .352 -.029 .381
BACON .250 -.033 .283 -.095 .378
xBACON .333 +.012 .321 -.029 .350
Statcast Hit Metrics
Hard Hit % 44.2 -3.8 48.0 +7.0 41.0
Avg Exit Velocity 89.8 -1.3 91.1 +3.0 88.1
Launch Angle Sweet-Spot % 32.7 -0.2 32.9 +2.1 30.8
Barrel % 7.7 +1.6 6.1 +2.3 3.8
Avg Launch Angle 11.6 +4.2 7.4 +3.8 3.6
Statcast Bat Tracking
Bat Speed 71.6 -0.4 72.0 +1.5 70.5
Attack Angle +3°
Ideal Attack Angle % 44.3 -4.1 48.4 +6.2 42.2
Attack Direction -7° 10°
Swing Path - Tilt 34° +1° 33° +1° 32°
Swing Length 7.1 0.0 7.1 +0.2 6.9
Statcast Pitch Metrics
Fastball Velocity 93.0 0.0 93.0 -1.6 94.6
Breaking Velocity 82.7 -1.8 84.5 -1.4 85.9
Offspeed Velocity 87.6 +0.1 87.5 -1.2 88.7
Batted Ball Results
Barrels 4 -17 21 +15 6
Popup % 5.8 +2.3 3.5 +2.2 1.3
Flyball % 21.2 -1.1 22.3 +5.6 16.7
Line Drive % 23.1 +0.6 22.5 -3.1 25.6
Groundball % 50.0 -1.7 51.7 -4.7 56.4
Pull % 51.9 +15.2 36.7 +8.5 28.2
Straight Away % 28.8 -10.8 39.6 +0.5 39.1
Opposite Field % 19.2 -4.5 23.7 -9.0 32.7
Weak Contact % 3.8 +1.2 2.6 -1.9 4.5
Pull Airball % 17.3 +4.0 13.3 +6.9 6.4
Topped Contact % 32.7 -4.3 37.0 -9.8 46.8
Under Contact % 19.2 +0.1 19.1 +6.9 12.2
Flare/Burner Contact % 28.8 +2.8 26.0 -0.9 26.9
Solid Contact % 7.7 -0.4 8.1 +2.3 5.8
HR/FB % 27.3 +15.6 11.7 -3.7 15.4
Popups 3 -9 12 +10 2
Flyballs 11 -66 77 +51 26
Line Drives 12 -66 78 +38 40
Groundballs 26 -153 179 +91 88
Plate Discipline
In Zone % 51.4 -0.3 51.7 -2.4 54.1
Out of Zone % 48.6 +0.3 48.3 +2.4 45.9
Edge % 49.8 +5.2 44.6 +0.1 44.5
Zone Swing % 65.4 -0.6 66.0 -1.5 67.5
Out of Zone Swing % 27.8 +1.5 26.3 -1.6 27.9
In Zone Contact % 89.7 +0.1 89.6 +4.4 85.2
Out of Zone Contact % 68.6 +6.0 62.6 +1.8 60.8
Whiff % 16.4 -1.3 17.7 -3.4 21.1
First Strike % 63.8 +0.7 63.1 -1.8 64.9
First Pitch Swing % 27.5 -7.9 35.4 +4.6 30.8
Swing % 47.1 +0.3 46.8 -2.5 49.3
Meatball Swing % 64.3 -6.4 70.7 +7.1 63.6
Meatball % 5.4 -3.3 8.7 +0.4 8.3
Zone Swing & Miss % 10.3 -0.1 10.4 -4.4 14.8
Out of Zone Swing & Miss % 31.4 -6.0 37.4 -1.8 39.2
In Zone 133 -741 874 +443 431
Out of Zone 126 -689 815 +449 366
Edge 129 -624 753 +398 355
In Zone Swings 87 -490 577 +286 291
Out of Zone Swings 35 -179 214 +112 102
In Zone Swing & Misses 9 -51 60 +17 43
Out of Zone Swing & Misses 11 -69 80 +40 40
Basic
Pitches 259 -1,430 1,689 +892 797
PA 69 -392 461 +250 211
AB 64 -353 417 +222 195
Hits 13 -85 98 +39 59
Singles 9 -65 74 +28 46
Doubles 1 -12 13 +4 9
Triples 0 -2 2 +2 0
Home Runs 3 -6 9 +5 4
Walks 4 -27 31 +19 12
Strikeouts 12 -65 77 +38 39
K% 17.4 +0.7 16.7 -1.8 18.5
BB% 5.8 -0.9 6.7 +1.0 5.7
HBP 1 -6 7 +4 3
Batted Balls 52 -294 346 +190 156
Number of Fastballs 168 -928 1,096 +513 583
Number of Offspeed 40 -156 196 +143 53
Number of Breaking 51 -346 397 +236 161
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2024 Shades 207 .335 118 1 0.8 89 39 43.8
2025 Shades 460 .280 210 5 2.4 250 222 88.8
2026 Shades 69 .278 19 7 36.8 50 27 54.0
! Note: Shifts are through the 2022 season, Shaded starting from the 2023 season, Shift: three or more infielders are on the same side of second base, Shade: positioned outside of their typical responsible slices of the field.
Learn more about how positioning is defined here

Pitch Tempo

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2024 173 14.9 52.0% 0.6% 176 18.1 8.0% 0.0%
2025 540 14.6 57.0% 0.0% 232 18.7 3.0% 0.9%
2026 58 15.3 37.9% 1.7% 26 18.8 11.5% 0.0%

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Pitch Distribution