P | Cincinnati Reds
Bats/Throws: R/L | 6' 6" 210 lbs | Age: 28
Draft: 2019 | Rd. 2, No. 59, Seattle Mariners | TCU
W L ERA G GS SV IP SO WHIP
2023 5 5 4.46 23 23 0 117 98 1.28
2024 0 0 3.77 4 3 0 14.1 12 1.05
2026 0 1 11.57 1 1 0 4.2 3 1.71
3 Seasons 5 6 4.63 28 27 0 136 113 1.27
G W-L ERA IP SO WHIP
2023 23 5-5 4.46 117 98 1.28
2024 4 0-0 3.77 14.1 12 1.05
2026 1 0-1 11.57 4.2 3 1.71
3 Seasons 28 5-6 4.63 136 113 1.27
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
2023 25 1939 352 29 8.2 5.9 90.1 111.7 17.2 35.8 .260 .449 .321 .334 .385 41.2 20.0 7.9 4.46 4.77
2024 26 256 40 3 7.5 5.1 90.0 106.8 19.9 45.0 .238 .435 .318 .338 .378 42.5 20.3 8.5 3.77 4.74
2026 28 94 17 3 17.6 13.6 88.2 111.1 30.8 58.8 .439 .895 .477 .559 .641 41.2 13.6 9.1 11.57 18.61
Player 2289 409 35 8.6 6.1 90.0 111.7 18.1 37.7 .264 .464 .326 .343 .395 41.3 19.8 8.0
MLB 7.2 4.9 88.6 122.9 12.4 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

Williamson relies on 6 pitches.
Four Seamer
(24.5%) ,
Sweeper
(19.1%) ,
Cutter
(19.1%) ,
Sinker
(13.8%) ,
Changeup
(12.8%) ,
Curveball
(10.6%) ,


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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 %
2023 37.8 62.2 28.4 25.6 8.2 37.2 34.4 28.4 20.2 13.6 4.0 17.0 20.7 24.4
2024 32.5 67.5 30.0 30.0 7.5 35.0 37.5 27.5 22.5 5.0 5.0 12.5 32.5 22.5
2026 5.9 94.1 41.2 35.3 17.6 17.6 52.9 29.4 0.0 0.0 5.9 17.6 52.9 23.5
Player 35.9 64.1 29.1 26.4 8.6 36.2 35.5 28.4 19.6 12.2 4.2 16.6 23.2 24.2
MLB 44.2 55.8 24.1 24.7 7.1 37.4 37.4 25.1 20.6 17.6 5.9 16.7 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
2023 3.4 27.3 29.0 25.0 7.1 8.2 5.9
2024 5.0 22.5 25.0 25.0 12.5 7.5 5.1
2026 0.0 5.9 41.2 35.3 0.0 17.6 13.6
Player 3.4 25.9 29.1 25.4 7.3 8.6 6.1
MLB 4.0 32.4 24.9 24.4 5.9 7.2 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 Sinker CIN L 13 92.9 17.9 -4.4 13.0ARM -1.4 13.7 -6.3 13.0ARM -2.9
2026 Changeup CIN L 12 85.8 30.8 -0.4 15.9ARM 1.7 6.3 -2.1 15.9ARM 1.5
2026 4-Seam Fastball CIN L 23 93.1 15.2 -1.1 9.4ARM 2.2 16.6 0.4 9.4ARM 1.2
2026 Cutter CIN L 18 88.4 26.0 0.8 2.0GLV -0.5 8.8 0.8 2.0GLV 0.1
2026 Curveball CIN L 10 74.9 58.8 -3.6 10.9GLV 1.4 -9.7 -0.1 10.9GLV 2.8
2026 Sweeper CIN L 18 81.5 39.0 -3.1 12.3GLV -0.3 2.5 -1.8 12.3GLV -1.5
2024 4-Seam Fastball CIN L 66 92.6 15.8 -1.2 9.4ARM 2.7 16.2 0.5 9.4ARM 1.3
2024 Sweeper CIN L 1 82.2 38.0 -5.6 10.7GLV -3.9 2.6 -1.5 10.7GLV -3.5
2024 Cutter CIN L 115 90.1 23.9 1.3 2.1GLV -0.4 9.5 2.4 2.1GLV 0.1
2024 Curveball CIN L 18 75.7 57.7 -2.6 10.4GLV 2.0 -9.9 1.4 10.4GLV 3.3
2024 Changeup CIN L 56 83.9 33.3 2.8 15.8ARM 2.3 5.5 0.4 15.8ARM 1.7
! 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 -21.3 -5 23 24.5 9 .667 1.667 .800 8.3 0.0 0.0 .590 1.456 .748 42.9
2026 Sweeper 0.6 0 18 19.1 4 .250 .250 .225 30.0 25.0 12.5 .456 .500 .421 33.3
2026 Cutter 4.0 1 18 19.1 6 .167 .667 .333 33.3 33.3 50.0 .349 .887 .513 50.0
2026 Sinker 4.4 1 13 13.8 2 .000 .000 .000 0.0 0.0 0.0 .440 .477 .400 50.0
2026 Changeup -2.9 0 12 12.8 -- -- -- 66.7 -- 0.0 -- -- -- --
2026 Curveball 0.2 0 10 10.6 1 .000 .000 .000 0.0 0.0 0.0 .001 .001 .000 0.0
2024 Cutter 0.3 0 115 44.9 33 .179 .500 .381 15.7 12.1 14.8 .308 .570 .424 41.7
2024 4-Seam Fastball -0.6 0 66 25.8 17 .313 .563 .350 16.1 29.4 16.7 .157 .323 .217 50.0
2024 Changeup 0.7 0 56 21.9 7 .000 .000 .000 31.6 42.9 16.7 .154 .172 .141 25.0
2024 Curveball -4.6 -1 18 7.0 2 -- -- .700 16.7 0.0 0.0 -- -- .700 --
2024 Sweeper -2.4 0 1 0.4 -- -- -- -- -- -- -- -- -- --
! 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 12 85.8 100 17.4 10:00 9:30 30
2026 Curveball 10 74.9 77 17.2 4:15 4:30 -15
2026 Cutter 18 88.4 44 8.3 12:00 12:30 -30
2026 4-Seam Fastball 23 93.1 99 18.7 10:45 11:00 -15
2026 Sinker 13 92.9 99 18.8 10:45 10:30 15
2026 Sweeper 18 81.5 47 13.4 3:15 2:45 30
2024 Changeup 56 83.9 99 17.2 9:45 9:30 15
2024 Curveball 18 75.7 74 16.8 4:30 4:30 0
2024 Cutter 115 90.1 54 9.3 11:45 12:30 -45
2024 4-Seam Fastball 66 92.6 98 18.3 10:45 11:00 -15
! 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
2023 491 1,939 10 13 -17 -7 -1
2024 59 256 2 3 -3 -2 -1
2026 22 94 0 -3 -1 0 -4
Player 572 2,289 11 13 -21 11 -6
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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 %
2023 1,939 50.9 67.3 82.8 25.2 64.2 41.8 59.9 46.6 22.1 7.2 80.0
2024 256 50.0 64.8 89.2 18.8 54.2 40.2 55.9 41.8 18.7 7.8 70.0
2026 94 42.6 72.5 75.9 22.2 83.3 41.5 40.9 43.6 22.0 4.3 75.0
Player 2,289 50.5 67.2 83.2 24.3 64.1 41.6 58.7 46.0 21.8 7.2 78.7
MLB 48.9 67.0 82.5 28.4 58.0 42.7 61.1 47.3 25.0 7.4 76.3
! 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
2023 38 64 23 29 26 30 28 74 20 11 21 27 58 43 36 24 14
2024 28 23 5
2026 2 1 47 19 1 54 16 26 12 43 10 41 3
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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 %
2023 23.10 18 14.4 4 7 10 7 38.9
2024 24.36 4 2.5 2 0 4 0 0.0
2026 24.68 3 2.1 1 1 2 0 0.0
Player 23.49 25 19.1 6 8 16 7 28.0
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
2023 18 12 14 15 13 13 15 13 13 11 13 13 15 14 16 14 16 13 16 17 16 17 20 17 12 11 15 14 17 14 14
2024 4 4 1 2 2 2 3 3 1 2 3 2 3 2 2 2 3 3 3 3 4 2 4 3 3 3 2 2 3 2 2
2026 3 3 2 2 0 2 2 3 2 2 2 2 2 2 2 2 2 2 2 3 2 2 3 2 2 2 2 2 3 2 2
Player 25 19 17 19 15 17 20 19 16 15 18 17 20 18 20 18 21 18 21 23 22 21 27 22 17 16 19 18 23 18 18
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

2024 +/-   2023
Results
BA .196 -.052 .248
xBA .238 -.022 .260
OBP .288 -.023 .311
xOBP .330 +.008 .322
SLG .451 +.019 .432
xSLG .435 -.014 .449
ISO .255 +.072 .183
xISO .198 +.009 .189
BABIP .167 -.113 .280
wOBA .318 -.003 .321
xwOBA .338 +.004 .334
wOBAcon .347 -.019 .366
xwOBAcon .378 -.007 .385
BACON .250 -.067 .317
xBACON .312 -.021 .333
Statcast Hit Metrics
Hard Hit % 42.5 +1.3 41.2
Avg Exit Velocity 90.0 -0.1 90.1
Launch Angle Sweet-Spot % 45.0 +9.2 35.8
Barrel % 7.5 -0.7 8.2
Avg Launch Angle 19.9 +2.7 17.2
Statcast Bat Tracking
Bat Speed 72.7 +0.7 72.0
Attack Angle 10° +2°
Ideal Attack Angle % 50.5 -1.5 52.0
Attack Direction -1°
Swing Path - Tilt 31° -1° 32°
Swing Length 7.5 +0.3 7.2
Statcast Pitch Metrics
Fastball Velocity 91.0 -0.2 91.2
Breaking Velocity 76.1 -2.4 78.5
Offspeed Velocity 83.9 -0.1 84.0
Batted Ball Results
Barrels 3 -26 29
Popup % 7.5 -0.7 8.2
Flyball % 30.0 +1.6 28.4
Line Drive % 30.0 +4.4 25.6
Groundball % 32.5 -5.3 37.8
Pull % 35.0 -2.2 37.2
Straight Away % 37.5 +3.1 34.4
Opposite Field % 27.5 -0.9 28.4
Weak Contact % 5.0 +1.6 3.4
Pull Airball % 12.5 -4.5 17.0
Topped Contact % 22.5 -4.8 27.3
Under Contact % 25.0 -4.0 29.0
Flare/Burner Contact % 25.0 0.0 25.0
Solid Contact % 12.5 +5.4 7.1
HR/FB % 33.3 +15.3 18.0
Popups 3 -26 29
Flyballs 12 -88 100
Line Drives 12 -78 90
Groundballs 13 -120 133
Plate Discipline
In Zone % 50.0 -0.9 50.9
Out of Zone % 50.0 +0.9 49.1
Edge % 40.2 -1.6 41.8
Zone Swing % 64.8 -2.5 67.3
Out of Zone Swing % 18.8 -6.4 25.2
In Zone Contact % 89.2 +6.4 82.8
Out of Zone Contact % 54.2 -10.0 64.2
Whiff % 18.7 -3.4 22.1
First Strike % 55.9 -4.0 59.9
First Pitch Swing % 15.3 -8.9 24.2
Swing % 41.8 -4.8 46.6
Meatball Swing % 70.0 -10.0 80.0
Meatball % 7.8 +0.6 7.2
Zone Swing & Miss % 10.8 -6.4 17.2
Out of Zone Swing & Miss % 45.8 +10.0 35.8
In Zone 128 -859 987
Out of Zone 128 -824 952
Edge 103 -708 811
In Zone Swings 83 -581 664
Out of Zone Swings 24 -216 240
In Zone Swing & Misses 9 -105 114
Out of Zone Swing & Misses 11 -75 86
Basic
Pitches 256 -1,683 1,939
PA 59 -432 491
AB 51 -396 447
Hits 10 -101 111
Singles 5 -61 66
Doubles 1 -25 26
Triples 0 -1 1
Home Runs 4 -14 18
Walks 5 -34 39
Strikeouts 12 -86 98
K% 20.3 +0.3 20.0
BB% 8.5 +0.6 7.9
HBP 2 0 2
Batted Balls 40 -312 352
Number of Fastballs 181 -1,117 1,298
Number of Offspeed 56 -264 320
Number of Breaking 18 -121 139
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2023 Shades 491 .321 401 57 14.2 90 39 43.3
2024 Shades 59 .318 47 0 0.0 12 4 33.3
2026 Shades 22 .477 15 0 0.0 7 0 0.0
! 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 %
2023 605 14.2 61.8% 0.3% 276 19.3 5.8% 0.4%
2024 106 14.8 52.8% 0.0% 27 18.6 0.0% 0.0%

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Pitch Distribution