P | Miami Marlins
Bats/Throws: R/R | 6' 7" 195 lbs | Age: 32
W L ERA G GS SV IP SO WHIP
2024 3 1 5.95 16 0 0 19.2 14 1.63
2025 0 0 4.00 15 0 0 18 17 1.39
2026 3 4 3.08 61 0 1 61.1 74 1.11
3 Seasons 6 5 3.82 92 0 1 99 105 1.26
G W-L ERA IP SO WHIP
2024 16 3-1 5.95 19.2 14 1.63
2025 15 0-0 4.00 18 17 1.39
2026 61 3-4 3.08 61.1 74 1.11
3 Seasons 92 6-5 3.82 99 105 1.26
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Pitch Usage
MLB Percentile Rankings
Movement Profile (Induced Break)
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Statcast Statistics

Season Age Team 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 30 363 64 4 6.3 4.4 88.7 108.6 22.7 34.4 .249 .427 .358 .349 .366 37.5 15.6 12.2 5.95 5.10
2025 31 327 55 6 10.9 7.6 92.2 111.6 19.4 54.5 .289 .554 .315 .377 .467 52.7 21.5 8.9 4.00 6.23
2026 32 1047 145 17 11.8 6.8 91.0 112.2 21.6 29.0 .191 .358 .270 .287 .352 42.8 29.7 10.8 3.08 3.43
Player 1737 264 27 10.3 6.5 90.7 112.2 21.4 35.6 .222 .410 .297 .317 .379 43.6 25.1 10.8
MLB 7.6 4.9 88.6 122.9 12.6 33.3 .244 .407 .316 .316 .368 37.1 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Petersen relies on 4 pitches.
Four Seamer
(60.8%) ,
Slider
(26.9%) ,
Changeup
(12.0%) ,
Sinker
(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 %
2024 26.6 73.4 43.8 23.4 6.3 39.1 34.4 26.6 15.6 6.3 4.7 23.4 28.1 21.9
2025 29.1 70.9 32.7 32.7 5.5 34.5 36.4 29.1 16.4 9.1 3.6 18.2 27.3 25.5
2026 36.6 63.4 31.7 16.6 15.2 35.9 44.1 20.0 19.3 13.8 3.4 16.6 30.3 16.6
Player 32.6 67.4 34.8 21.6 11.0 36.4 40.2 23.5 17.8 11.0 3.8 18.6 29.2 19.7
MLB 44.1 55.9 24.3 24.6 7.1 37.5 37.3 25.0 20.7 17.5 5.8 16.9 19.8 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
2024 4.7 15.6 42.2 25.0 6.3 6.3 4.4
2025 3.6 20.0 25.5 32.7 7.3 10.9 7.6
2026 0.7 30.3 33.1 17.9 5.5 11.8 6.8
Player 2.3 24.6 33.7 22.7 6.1 10.3 6.5
MLB 4.1 32.2 25.0 24.4 5.9 7.6 4.9
! Note: All figures in this table cover the period 2015-present.

Pitch Movement

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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)
SeasonPitchTeamHand#MPHVertical
Drop		vs.
Comparable		Horizontal
Break		vs.
Comparable		Vertical
Break		vs. AvgHorizontal
Break		vs. Avg
2026 Slider R 282 87.7 36.8 3.1 1.2GLV -2.3 -1.1 2.5 1.2GLV -2.4
2026 4-Seam Fastball R 637 98.0 9.3 2.2 7.7ARM 2.0 19.4 3.8 7.7ARM -0.1
2026 Sinker R 2 98.1 10.2 -8.4 10.3ARM -4.0 18.3 -10.8 10.3ARM -4.7
2026 Changeup R 126 89.7 26.4 -2.6 9.8ARM -4.3 7.8 -4.0 9.8ARM -4.4
2025 Changeup R 1 86.7 24.8 -6.2 13.1ARM -1.0 11.5 -7.4 13.1ARM -1.4
2025 Slider R 135 89.2 30.8 -0.7 3.1GLV -0.4 3.5 -1.7 3.1GLV -1.1
2025 Sinker R 8 97.1 14.9 -4.1 14.2ARM -0.1 14.1 -6.7 14.2ARM -0.9
2025 4-Seam Fastball R 183 97.5 10.5 1.6 7.7ARM 1.6 18.4 2.6 7.7ARM 0.1
! Note: Seasons are in reverse order.

Run Values by Pitch Type

Season Pitch Type Team RV/100 Run Value Pitches % PA BA SLG wOBA Whiff% K% PutAway % xBA xSLG xwOBA Hard Hit %
2026 4-Seam Fastball 1.7 11 637 60.8 159 .169 .301 .272 26.7 30.2 19.9 .190 .400 .314 46.6
2026 Slider 1.0 3 282 26.9 65 .210 .323 .241 40.2 35.4 26.7 .194 .295 .233 38.5
2026 Changeup 0.2 0 126 12.0 24 .238 .333 .304 28.0 12.5 9.7 .186 .264 .256 33.3
2026 Sinker -3.9 0 2 0.2 -- -- -- -- -- -- -- -- -- --
2025 4-Seam Fastball 1.4 3 183 56.0 45 .233 .349 .282 23.9 20.0 13.8 .293 .549 .362 54.3
2025 Slider -2.0 -3 135 41.3 31 .296 .556 .405 24.5 25.8 15.4 .291 .577 .410 47.4
2025 Sinker 4.7 0 8 2.4 1 .000 .000 .000 20.0 0.0 0.0 .103 .127 .093 100.0
2025 Changeup -5.5 0 1 0.3 -- -- -- -- -- -- -- -- -- --
! 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

Season Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2026 Changeup 120 89.7 95 13.2 1:45 1:45 0
2026 4-Seam Fastball 636 98.0 100 20.6 1:00 12:45 15
2026 Slider 282 87.7 20 4.0 8:45 7:00 105
2025 4-Seam Fastball 183 97.5 99 19.7 1:00 12:45 15
2025 Slider 135 89.2 29 5.0 11:30 10:00 90
! 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
Season Team PA Pitches Heart Shadow Chase Waste All
2024 89 363 -6 4 -2 -1 -6
2025 77 327 2 2 -3 -1 0
2026 248 1,047 10 14 -5 -6 14
Player 414 1,737 7 20 -10 7 8
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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 363 49.6 73.9 85.0 30.1 69.1 41.3 69.7 51.8 19.7 9.9 86.1
2025 327 49.5 75.9 82.9 31.5 59.6 44.0 64.9 53.5 24.0 6.4 95.2
2026 1,047 46.8 69.0 78.7 33.2 54.6 39.4 62.1 50.0 29.8 7.5 86.1
Player 1,737 47.9 71.4 81.0 32.3 58.2 40.6 64.3 51.0 26.5 7.8 87.5
MLB 48.7 67.0 82.7 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
Season Pitching Fastball Breaking Off
Speed 		xERA Fastball
MPH 		Fastball
Spin 		Curve
Spin 		Avg
EV 		Chase% Whiff% K% BB% Barrel% Hard-
Hit% 		GB% Extension
2024 92 54 55
2025 92 58 49
2026 86 88 71 56 78 93 74 3 76 82 90 21 2 15 16 19
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Expected Home Runs

Adjusted
Season Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2024 23.86 3 3.0 0 1 2 1 33.3
2025 25.42 3 3.7 -1 3 2 2 66.7
2026 25.31 5 5.2 0 7 2 3 60.0
Player 24.94 11 11.9 -1 11 6 6 54.5
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
Season HR
2024 3 2 3 4 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 3 3 4 3 3 3 3 3 3 3 2
2025 3 3 4 5 6 4 4 3 3 2 3 5 3 5 4 3 4 3 4 5 3 3 5 3 3 2 4 4 4 3 3
2026 5 7 5 6 5 6 5 6 6 5 3 6 5 6 4 5 6 4 4 7 5 5 6 7 4 3 4 4 8 5 3
Player 11 12 12 15 14 13 12 12 12 10 9 14 11 14 11 11 13 10 11 16 11 11 15 13 10 8 11 11 15 11 8
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 .187 -.067 ↓ .254 -.022 ↓ .276
xBA .191 -.098 ↓ .289 +.040 ↑ .249
OBP .285 -.036 ↓ .321 -.046 ↓ .367
xOBP .286 -.050 ↓ .336 -.009 ↓ .345
SLG .311 -.112 ↓ .423 -.051 ↓ .474
xSLG .358 -.196 ↓ .554 +.127 ↑ .427
ISO .123 -.046 ↓ .169 -.028 ↓ .197
xISO .167 -.097 ↓ .264 +.086 ↑ .178
BABIP .257 -.037 ↓ .294 -.001 ↓ .295
wOBA .270 -.045 ↓ .315 -.043 ↓ .358
xwOBA .287 -.090 ↓ .377 +.028 ↑ .349
wOBAcon .322 -.057 ↓ .379 .000 .379
xwOBAcon .352 -.115 ↓ .467 +.101 ↑ .366
BACON .283 -.050 ↓ .333 +.005 ↑ .328
xBACON .289 -.092 ↓ .381 +.074 ↑ .307
Statcast Hit Metrics
Hard Hit % 42.8 -9.9 ↓ 52.7 +15.2 ↑ 37.5
Avg Exit Velocity 91.0 -1.2 ↓ 92.2 +3.5 ↑ 88.7
Launch Angle Sweet-Spot % 29.0 -25.5 ↓ 54.5 +20.1 ↑ 34.4
Barrel % 11.8 +0.9 ↑ 10.9 +4.6 ↑ 6.3
Avg Launch Angle 21.6 +2.2 ↑ 19.4 -3.3 ↓ 22.7
Statcast Bat Tracking
Bat Speed 72.1 +0.6 ↑ 71.5 +0.4 ↑ 71.1
Attack Angle 10° +2° ↑ 8° -2° ↓ 10°
Ideal Attack Angle % 57.7 -2.0 ↓ 59.7 +2.6 ↑ 57.1
Attack Direction 0° -3° ↓ 2° +3° ↑ 0°
Swing Path - Tilt 31° 0° ↓ 32° +1° ↑ 31°
Swing Length 7.2 +0.1 ↑ 7.1 0.0 7.1
Statcast Pitch Metrics
Fastball Velocity 98.0 +0.5 ↑ 97.5 +0.4 ↑ 97.1
Breaking Velocity 87.7 -1.5 ↓ 89.2 +1.1 ↑ 88.1
Offspeed Velocity 89.7 +3.0 ↑ 86.7 -3.1 ↓ 89.8
Batted Ball Results
Barrels 17 +11 ↑ 6 +2 ↑ 4
Popup % 15.2 +9.7 ↑ 5.5 -0.8 ↓ 6.3
Flyball % 31.7 -1.0 ↓ 32.7 -11.1 ↓ 43.8
Line Drive % 16.6 -16.1 ↓ 32.7 +9.3 ↑ 23.4
Groundball % 36.6 +7.5 ↑ 29.1 +2.5 ↑ 26.6
Pull % 35.9 +1.4 ↑ 34.5 -4.6 ↓ 39.1
Straight Away % 44.1 +7.7 ↑ 36.4 +2.0 ↑ 34.4
Opposite Field % 20.0 -9.1 ↓ 29.1 +2.5 ↑ 26.6
Weak Contact % 0.7 -2.9 ↓ 3.6 -1.1 ↓ 4.7
Pull Airball % 16.6 -1.6 ↓ 18.2 -5.2 ↓ 23.4
Topped Contact % 30.3 +10.3 ↑ 20.0 +4.4 ↑ 15.6
Under Contact % 33.1 +7.6 ↑ 25.5 -16.7 ↓ 42.2
Flare/Burner Contact % 17.9 -14.8 ↓ 32.7 +7.7 ↑ 25.0
Solid Contact % 5.5 -1.8 ↓ 7.3 +1.0 ↑ 6.3
HR/FB % 10.9 -5.8 ↓ 16.7 +6.0 ↑ 10.7
Popups 22 +19 ↑ 3 -1 ↓ 4
Flyballs 46 +28 ↑ 18 -10 ↓ 28
Line Drives 24 +6 ↑ 18 +3 ↑ 15
Groundballs 53 +37 ↑ 16 -1 ↓ 17
Plate Discipline
In Zone % 46.8 -2.7 ↓ 49.5 -0.1 ↓ 49.6
Out of Zone % 53.2 +2.7 ↑ 50.5 +0.1 ↑ 50.4
Edge % 39.4 -4.6 ↓ 44.0 +2.7 ↑ 41.3
Zone Swing % 69.0 -6.9 ↓ 75.9 +2.0 ↑ 73.9
Out of Zone Swing % 33.2 +1.7 ↑ 31.5 +1.4 ↑ 30.1
In Zone Contact % 78.7 -4.2 ↓ 82.9 -2.1 ↓ 85.0
Out of Zone Contact % 54.6 -5.0 ↓ 59.6 -9.5 ↓ 69.1
Whiff % 29.8 +5.8 ↑ 24.0 +4.3 ↑ 19.7
First Strike % 62.1 -2.8 ↓ 64.9 -4.8 ↓ 69.7
First Pitch Swing % 37.5 -4.1 ↓ 41.6 -2.2 ↓ 43.8
Swing % 50.0 -3.5 ↓ 53.5 +1.7 ↑ 51.8
Meatball Swing % 86.1 -9.1 ↓ 95.2 +9.1 ↑ 86.1
Meatball % 7.5 +1.1 ↑ 6.4 -3.5 ↓ 9.9
Zone Swing & Miss % 21.3 +4.2 ↑ 17.1 +2.1 ↑ 15.0
Out of Zone Swing & Miss % 45.4 +5.0 ↑ 40.4 +9.5 ↑ 30.9
In Zone 490 +328 ↑ 162 -18 ↓ 180
Out of Zone 557 +392 ↑ 165 -18 ↓ 183
Edge 412 +268 ↑ 144 -6 ↓ 150
In Zone Swings 338 +215 ↑ 123 -10 ↓ 133
Out of Zone Swings 185 +133 ↑ 52 -3 ↓ 55
In Zone Swing & Misses 72 +51 ↑ 21 +1 ↑ 20
Out of Zone Swing & Misses 84 +63 ↑ 21 +4 ↑ 17
Basic
Pitches 1,047 +720 ↑ 327 -36 ↓ 363
PA 249 +170 ↑ 79 -11 ↓ 90
AB 219 +148 ↑ 71 -5 ↓ 76
Hits 41 +23 ↑ 18 -3 ↓ 21
Singles 25 +13 ↑ 12 0 12
Doubles 10 +7 ↑ 3 -3 ↓ 6
Triples 1 +1 ↑ 0 0 0
Home Runs 5 +2 ↑ 3 0 3
Walks 27 +20 ↑ 7 -4 ↓ 11
Strikeouts 74 +57 ↑ 17 +3 ↑ 14
K% 29.7 +8.2 ↑ 21.5 +5.9 ↑ 15.6
BB% 10.8 +1.9 ↑ 8.9 -3.3 ↓ 12.2
HBP 3 +3 ↑ 0 -1 ↓ 1
Batted Balls 145 +90 ↑ 55 -9 ↓ 64
Fastball Percent 61.0 +2.6 ↑ 58.4 -7.2 ↓ 65.6
Offspeed Percent 12.0 +11.7 ↑ 0.3 -2.5 ↓ 2.8
Breaking Percent 26.9 -14.4 ↓ 41.3 +9.6 ↑ 31.7
Number of Fastballs 639 +448 ↑ 191 -47 ↓ 238
Number of Offspeed 126 +125 ↑ 1 -9 ↓ 10
Number of Breaking 282 +147 ↑ 135 +20 ↑ 115
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Statcast Fielder Positioning

vs RHHvs LHH
SeasonAlignment TypePAwOBAPATotal%PATotal%
2024 Shades 89 .358 53 3 5.7 36 16 44.4
2025 Shades 77 .315 42 0 0.0 35 21 60.0
2026 Shades 248 .270 95 13 13.7 153 67 43.8
! 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 85 17.2 10.6% 1.2% 56 19.6 0.0% 0.0%
2025 81 18.3 0.0% 0.0% 46 19.8 0.0% 2.2%
2026 265 18.8 0.0% 1.9% 123 20.5 0.0% 3.3%

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Pitch Distribution

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