P | Seattle Mariners
Bats/Throws: R/R | 6' 2" 205 lbs | Age: 26
Draft: 2021 | Rd. 6, No. 174, Seattle Mariners | Cal Poly
W L ERA G GS SV IP SO WHIP
2024 9 3 2.89 22 22 0 121.1 101 0.90
2025 15 7 2.94 30 30 0 186.2 198 0.93
2026 7 7 4.37 20 20 0 115.1 114 1.14
4 Seasons 35 22 3.47 90 90 0 511 506 1.02
G W-L ERA IP SO WHIP
2024 22 9-3 2.89 121.1 101 0.90
2025 30 15-7 2.94 186.2 198 0.93
2026 20 7-7 4.37 115.1 114 1.14
4 Seasons 90 35-22 3.47 511 506 1.02
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 23 1448 240 15 6.3 4.0 87.4 115.6 13.9 32.5 .217 .352 .305 .289 .338 33.8 25.1 8.4 4.21 3.48
2024 24 1716 355 17 4.8 3.6 88.8 115.6 15.6 29.9 .220 .351 .249 .263 .318 35.2 21.4 2.8 2.89 2.77
2025 25 2714 493 45 9.1 6.2 89.1 120.4 13.8 32.5 .215 .373 .259 .274 .351 41.8 27.1 4.9 2.94 3.07
2026 26 1674 316 22 7.0 4.9 89.6 114.3 17.4 33.2 .237 .382 .277 .289 .357 42.7 24.2 4.9 4.16 3.45
Player 7552 1404 99 7.1 4.9 88.8 120.4 15.1 32.0 .221 .366 .269 .278 .342 39.0 24.8 5.0
MLB 7.6 4.9 88.6 122.9 12.5 33.3 .243 .407 .316 .316 .369 37.1 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Woo relies on 6 pitches.
Four Seamer
(47.8%) ,
Sinker
(18.2%) ,
Slider
(14.7%) ,
Sweeper
(12.6%) ,
Changeup
(6.4%) ,
Curveball
(0.2%) ,


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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 40.8 59.2 29.2 22.1 7.9 34.6 36.7 28.7 20.8 14.6 5.4 13.8 22.1 23.3
2024 42.0 58.0 28.7 22.5 6.8 33.0 38.6 28.5 19.2 16.9 5.9 13.8 21.7 22.5
2025 41.4 58.6 26.8 22.9 8.9 32.9 38.7 28.4 19.1 18.5 3.9 13.8 20.3 24.5
2026 38.6 61.4 29.4 22.2 9.8 37.3 33.9 28.8 22.2 12.7 3.8 15.2 21.2 25.0
Player 40.8 59.2 28.3 22.5 8.4 34.2 37.3 28.6 20.1 16.1 4.6 14.1 21.2 23.9
MLB 44.1 55.9 24.2 24.6 7.1 37.5 37.3 25.1 20.7 17.6 5.8 16.8 19.7 19.2
! 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 4.2 32.5 28.7 21.3 6.7 6.3 4.0
2024 4.2 29.6 32.4 22.5 6.2 4.8 3.6
2025 5.7 30.8 27.0 20.7 6.3 9.1 6.2
2026 3.2 25.0 31.3 28.2 5.1 7.0 4.9
Player 4.5 29.5 29.6 22.9 6.1 7.1 4.9
MLB 4.0 32.3 25.0 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 Sinker SEA R 305 95.6 24.7 0.1 16.5ARM 0.0 5.3 2.3 16.5ARM 1.4
2026 Slider SEA R 246 86.9 34.6 -0.2 2.6GLV -1.6 1.4 0.0 2.6GLV -1.1
2026 Sweeper SEA R 211 84.4 34.8 -2.6 10.5GLV -3.5 3.6 -2.6 10.5GLV -3.2
2026 Changeup SEA R 107 89.5 31.1 -1.5 16.0ARM 1.1 3.0 0.9 16.0ARM 1.7
2026 4-Seam Fastball SEA R 801 95.8 15.2 0.5 10.7ARM 0.9 14.7 -1.0 10.7ARM 2.9
2026 Curveball SEA R 4 83.0 46.5 -3.3 7.5GLV -2.7 -6.9 -3.3 7.5GLV -1.7
2025 4-Seam Fastball SEA R 1284 95.7 15.1 0.8 9.7ARM 0.1 14.9 -0.9 9.7ARM 2.1
2025 Slider SEA R 299 88.4 29.9 -2.8 3.1GLV -1.1 5.0 -3.2 3.1GLV -1.1
2025 Sinker SEA R 693 95.4 24.1 -0.4 16.6ARM 0.2 6.0 1.4 16.6ARM 1.5
2025 Changeup SEA R 193 89.6 29.6 -2.5 16.2ARM 1.0 4.6 -0.5 16.2ARM 1.7
2025 Sweeper SEA R 245 84.9 34.3 -3.4 11.2GLV -2.2 3.9 -3.0 11.2GLV -2.7
! 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 1.0 8 801 47.8 199 .253 .398 .304 26.2 22.6 17.6 .247 .415 .307 42.3
2026 Sinker 0.3 1 305 18.2 92 .247 .400 .326 12.4 16.3 19.7 .265 .412 .318 50.7
2026 Slider 0.2 0 246 14.7 59 .245 .340 .276 28.7 27.1 20.3 .238 .370 .295 51.3
2026 Sweeper 0.0 0 211 12.6 65 .200 .338 .244 35.1 35.4 25.0 .206 .345 .235 33.3
2026 Changeup 3.7 4 107 6.4 33 .129 .129 .152 18.6 27.3 20.9 .179 .219 .203 22.7
2026 Curveball 4.2 0 4 0.2 1 .000 .000 .000 100.0 100.0 50.0 -- -- .000 --
2025 4-Seam Fastball 1.7 21 1,284 47.3 299 .153 .332 .241 28.7 31.8 22.2 .176 .356 .259 37.4
2025 Sinker 1.2 8 693 25.5 229 .258 .369 .304 10.8 14.8 22.7 .271 .408 .310 48.6
2025 Slider 0.2 1 299 11.0 82 .182 .429 .295 37.6 35.4 25.2 .226 .464 .315 60.4
2025 Sweeper -0.4 -1 245 9.0 68 .197 .303 .230 44.9 47.1 26.0 .146 .215 .172 17.6
2025 Changeup -0.5 -1 193 7.1 53 .235 .353 .275 22.5 15.1 11.6 .252 .395 .280 29.5
! 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 106 89.5 86 17.0 2:00 2:45 -45
2026 4-Seam Fastball 801 95.8 91 18.0 1:30 1:15 15
2026 Sinker 303 95.6 87 17.8 1:30 2:30 -60
2026 Slider 246 86.9 17 3.4 10:30 9:00 90
2026 Sweeper 211 84.4 44 11.9 8:15 9:30 -75
2025 Changeup 186 89.7 88 17.5 1:45 2:45 -60
2025 4-Seam Fastball 1,258 95.7 91 17.6 1:30 1:15 15
2025 Sinker 680 95.4 85 18.2 1:30 2:30 -60
2025 Slider 298 88.4 27 5.2 12:00 10:45 75
2025 Sweeper 242 84.9 36 12.4 8:30 9:30 -60
! 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 369 1,448 9 11 -15 -5 0
2024 472 1,716 14 20 -4 -4 26
2025 731 2,714 19 26 -9 -8 28
2026 449 1,674 7 18 -7 -4 14
Player 2,021 7,552 49 75 -35 49 68
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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 1,448 52.3 71.8 76.5 28.0 59.1 43.5 64.4 50.9 28.1 9.0 78.6
2024 1,716 58.2 70.3 83.2 29.5 53.8 45.8 73.1 53.3 23.6 9.0 79.2
2025 2,714 55.4 71.9 79.9 30.1 55.5 43.3 66.5 53.2 26.2 8.7 85.5
2026 1,674 51.0 71.6 82.3 34.7 60.0 44.1 68.7 53.5 24.8 7.6 79.5
Player 7,552 54.4 71.4 80.6 30.6 57.0 44.1 68.1 52.9 25.7 8.6 81.5
MLB 48.7 67.0 82.6 28.6 57.9 42.6 61.2 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
2023 46 77 15 33 79 70 34 82 39 65 62 49 77 83 40 84
2024 98 98 78 58 93 62 53 50 58 34 36 100 91 78 49 64
2025 97 100 42 42 87 71 53 54 72 57 80 95 37 38 47 54
2026 91 91 56 89 71 73 53 33 90 46 60 95 60 23 31 43
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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 22.71 13 8.6 4 3 11 3 23.1
2024 23.43 14 9.8 4 5 9 3 21.4
2025 23.93 26 22.9 3 9 22 7 26.9
2026 23.61 12 10.9 1 6 7 5 41.7
Player 23.51 65 52.2 13 23 49 18 27.7
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 13 9 7 10 9 6 10 10 8 5 6 11 8 5 13 9 14 5 9 12 7 6 15 12 8 5 9 8 9 6 6
2024 14 11 9 10 9 9 9 10 8 7 9 7 13 9 10 10 8 8 13 11 13 11 14 14 6 8 8 9 14 9 9
2025 26 24 19 20 22 24 22 21 21 17 21 26 25 32 25 21 25 19 21 29 20 24 27 26 17 16 23 26 29 23 21
2026 12 13 10 12 10 11 11 11 14 10 8 14 7 12 11 11 12 10 9 14 9 12 12 14 9 8 11 12 12 9 9
Player 65 57 45 52 50 50 52 52 51 39 44 58 53 58 59 51 59 42 52 66 49 53 68 66 40 37 51 55 64 47 45
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 +/-   2023
Results
BA .233 +.033 .200 -.011 .211 -.016 .227
xBA .237 +.022 .215 -.005 .220 +.003 .217
OBP .273 +.030 .243 +.006 .237 -.068 .305
xOBP .280 +.022 .258 +.011 .247 -.050 .297
SLG .361 +.008 .353 +.016 .337 -.056 .393
xSLG .382 +.009 .373 +.022 .351 -.001 .352
ISO .128 -.025 .153 +.027 .126 -.040 .166
xISO .145 -.014 .159 +.028 .131 -.005 .136
BABIP .283 +.044 .239 -.001 .240 -.034 .274
wOBA .277 +.018 .259 +.010 .249 -.056 .305
xwOBA .289 +.015 .274 +.011 .263 -.026 .289
wOBAcon .340 +.012 .328 +.028 .300 -.062 .362
xwOBAcon .357 +.006 .351 +.033 .318 -.020 .338
BACON .310 +.030 .280 +.010 .270 -.044 .314
xBACON .320 +.018 .302 +.019 .283 -.018 .301
Statcast Hit Metrics
Hard Hit % 42.7 +0.9 41.8 +6.6 35.2 +1.4 33.8
Avg Exit Velocity 89.6 +0.5 89.1 +0.3 88.8 +1.4 87.4
Launch Angle Sweet-Spot % 33.2 +0.7 32.5 +2.6 29.9 -2.6 32.5
Barrel % 7.0 -2.1 9.1 +4.3 4.8 -1.5 6.3
Avg Launch Angle 17.4 +3.6 13.8 -1.8 15.6 +1.7 13.9
Statcast Bat Tracking
Bat Speed 72.3 +0.4 71.9 +0.8 71.1 -0.7 71.8
Attack Angle +2° -1° +2°
Ideal Attack Angle % 45.1 +0.7 44.4 -2.5 46.9 +2.1 44.8
Attack Direction -4° +1° -4°
Swing Path - Tilt 33° +1° 31° 32° 32°
Swing Length 7.1 0.0 7.1 +0.1 7.0 +0.2 6.8
Statcast Pitch Metrics
Fastball Velocity 95.8 +0.2 95.6 +0.8 94.8 -0.3 95.1
Breaking Velocity 85.7 -1.1 86.8 +2.6 84.2 -1.8 86.0
Offspeed Velocity 89.5 -0.1 89.6 0.0 89.6 -0.1 89.7
Batted Ball Results
Barrels 22 -23 45 +28 17 +2 15
Popup % 9.8 +0.9 8.9 +2.1 6.8 -1.1 7.9
Flyball % 29.4 +2.6 26.8 -1.9 28.7 -0.5 29.2
Line Drive % 22.2 -0.7 22.9 +0.4 22.5 +0.4 22.1
Groundball % 38.6 -2.8 41.4 -0.6 42.0 +1.2 40.8
Pull % 37.3 +4.4 32.9 -0.1 33.0 -1.6 34.6
Straight Away % 33.9 -4.8 38.7 +0.1 38.6 +1.9 36.7
Opposite Field % 28.8 +0.4 28.4 -0.1 28.5 -0.2 28.7
Weak Contact % 3.2 -2.5 5.7 +1.5 4.2 0.0 4.2
Pull Airball % 15.2 +1.4 13.8 0.0 13.8 0.0 13.8
Topped Contact % 25.0 -5.8 30.8 +1.2 29.6 -2.9 32.5
Under Contact % 31.3 +4.3 27.0 -5.4 32.4 +3.7 28.7
Flare/Burner Contact % 28.2 +7.5 20.7 -1.8 22.5 +1.2 21.3
Solid Contact % 5.1 -1.2 6.3 +0.1 6.2 -0.5 6.7
HR/FB % 12.9 -6.8 19.7 +6.0 13.7 -4.9 18.6
Popups 31 -13 44 +20 24 +5 19
Flyballs 93 -39 132 +30 102 +32 70
Line Drives 70 -43 113 +33 80 +27 53
Groundballs 122 -82 204 +55 149 +51 98
Plate Discipline
In Zone % 51.0 -4.4 55.4 -2.8 58.2 +5.9 52.3
Out of Zone % 49.0 +4.4 44.6 +2.8 41.8 -5.9 47.7
Edge % 44.1 +0.8 43.3 -2.5 45.8 +2.3 43.5
Zone Swing % 71.6 -0.3 71.9 +1.6 70.3 -1.5 71.8
Out of Zone Swing % 34.7 +4.6 30.1 +0.6 29.5 +1.5 28.0
In Zone Contact % 82.3 +2.4 79.9 -3.3 83.2 +6.7 76.5
Out of Zone Contact % 60.0 +4.5 55.5 +1.7 53.8 -5.3 59.1
Whiff % 24.8 -1.4 26.2 +2.6 23.6 -4.5 28.1
First Strike % 68.7 +2.2 66.5 -6.6 73.1 +8.7 64.4
First Pitch Swing % 40.9 +1.1 39.8 +3.1 36.7 -0.5 37.2
Swing % 53.5 +0.3 53.2 -0.1 53.3 +2.4 50.9
Meatball Swing % 79.5 -6.0 85.5 +6.3 79.2 +0.6 78.6
Meatball % 7.6 -1.1 8.7 -0.3 9.0 0.0 9.0
Zone Swing & Miss % 17.7 -2.4 20.1 +3.3 16.8 -6.7 23.5
Out of Zone Swing & Miss % 40.0 -4.5 44.5 -1.7 46.2 +5.3 40.9
In Zone 853 -650 1,503 +505 998 +240 758
Out of Zone 821 -390 1,211 +493 718 +28 690
Edge 739 -436 1,175 +389 786 +156 630
In Zone Swings 611 -470 1,081 +379 702 +158 544
Out of Zone Swings 285 -79 364 +152 212 +19 193
In Zone Swing & Misses 108 -109 217 +99 118 -10 128
Out of Zone Swing & Misses 114 -48 162 +64 98 +19 79
Basic
Pitches 1,674 -1,040 2,714 +998 1,716 +268 1,448
PA 450 -281 731 +259 472 +101 371
AB 421 -264 685 +231 454 +123 331
Hits 98 -39 137 +41 96 +21 75
Singles 70 -15 85 +18 67 +19 48
Doubles 14 -11 25 +10 15 +3 12
Triples 2 +1 1 +1 0 -2 2
Home Runs 12 -14 26 +12 14 +1 13
Walks 22 -14 36 +23 13 -18 31
Strikeouts 109 -89 198 +97 101 +8 93
K% 24.2 -2.9 27.1 +5.7 21.4 -3.7 25.1
BB% 4.9 0.0 4.9 +2.1 2.8 -5.6 8.4
HBP 3 -1 4 +1 3 -4 7
Batted Balls 316 -177 493 +138 355 +115 240
Fastball Percent 66.1 -6.7 72.8 +0.8 72.0 -0.4 72.4
Offspeed Percent 6.4 -0.7 7.1 -2.3 9.4 +5.7 3.7
Breaking Percent 27.5 +7.5 20.0 +1.4 18.6 -5.4 24.0
Number of Fastballs 1,106 -871 1,977 +742 1,235 +187 1,048
Number of Offspeed 107 -86 193 +32 161 +108 53
Number of Breaking 461 -83 544 +224 320 -27 347
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2023 Shades 369 .306 191 13 6.8 178 108 60.7
2024 Shades 472 .249 223 19 8.5 249 175 70.3
2025 Shades 731 .259 360 40 11.1 371 174 46.9
2026 Shades 449 .277 187 15 8.0 262 106 40.5
! 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 370 18.7 2.4% 1.1% 227 21.7 0.4% 2.6%
2024 512 18.4 0.8% 0.4% 201 20.0 0.0% 0.5%
2025 763 18.3 1.7% 0.5% 337 19.2 0.3% 0.9%
2026 439 18.4 1.4% 3.0% 237 19.8 0.4% 2.1%

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Pitch Distribution