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Robert Stephenson
P | Bats/Throws: R/R | 6' 3" 205LBS | Age: 32
Draft: 2011 | Rd: 1, #27, Cincinnati Reds | Alhambra (CA) HS
W
L
ERA
G
GS
SV
IP
SO
WHIP
2021 2 1 3.13 49 0 1 46 52 1.30
2022 2 2 5.43 58 0 0 58 55 1.33
2023 3 4 3.10 60 0 1 52.1 77 0.88
8 Seasons 17 20 4.64 271 22 3 364.1 406 1.34
G
W-L
ERA
IP
SO
WHIP
2021 49 2-1 3.13 46 52 1.30
2022 58 2-2 5.43 58 55 1.33
2023 60 3-4 3.10 52.1 77 0.88
8 Seasons 271 17-20 4.64 364.1 406 1.34
20232023 MLB Percentile Rankings
ValuesavantPOORAVERAGEGREATPitching Run Value11NOT QUALIFIEDFastball Run Value7NOT QUALIFIEDBreaking Run Value1NOT QUALIFIEDOffspeed Run Value3NOT QUALIFIEDPitchingxERA2.73NOT QUALIFIEDxBA.180NOT QUALIFIEDFastball Velo96.8NOT QUALIFIED90Avg Exit Velocity87.0NOT QUALIFIEDChase %41.3NOT QUALIFIEDWhiff %46.6NOT QUALIFIEDK %38.3NOT QUALIFIEDBB %8.0NOT QUALIFIEDBarrel %13.0NOT QUALIFIEDHard-Hit %32.4NOT QUALIFIEDGB %34.3NOT QUALIFIEDExtension6.2NOT QUALIFIED24
20232023 Movement Profile (Induced Break)
?
MLB AVG.ARM ANGLE48°12"24"6"12"18"24"12"24"12"24"12.4 INCHES TAIL9.0 INCHES RISEAVG11.6 INCHES TAIL16.8 INCHES RISEAVG3.9 INCHES BREAK1.2 INCHES DROPAVG0.9 INCHES TAIL2.8 INCHES RISEAVG1B3BMOVES TOWARD︎MORERISEMOREDROPUSAGEMPHRHP AVGCutter41%88.789.9Slider24%84.885.64-Seam24%96.894.5Split11%88.886.8SAMPLE100 PITCH

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
2016 23 721 116 9 7.8 5.3 89.8 116.2 17.9 34.5 .263 .461 .381 .357 .388 38.8 18.2 11.2 6.08 5.56
2017 24 1464 242 23 9.5 6.0 89.9 112.1 15.4 38.0 .253 .454 .344 .352 .406 37.2 22.5 13.8 4.68 5.48
2018 25 247 40 4 10.0 6.3 88.4 110.5 15.4 55.0 .290 .512 .428 .387 .425 32.5 17.5 19.0 9.26 6.77
2019 26 1028 156 8 5.1 3.1 87.3 109.8 19.0 34.0 .195 .318 .262 .255 .335 26.8 30.9 9.2 3.76 2.81
2020 27 176 26 6 23.1 14.0 91.2 109.1 26.1 38.5 .240 .593 .495 .376 .514 53.8 30.2 7.0 9.90 6.32
2021 28 767 125 9 7.2 4.6 89.1 110.8 15.4 32.0 .228 .392 .313 .306 .371 36.8 26.4 9.1 3.13 3.95
2022 29 914 177 16 9.0 6.5 90.6 112.3 21.0 36.7 .267 .474 .349 .336 .413 41.8 22.3 5.7 5.43 4.78
2023 30 763 108 14 13.0 7.0 87.0 111.7 19.4 31.5 .180 .353 .243 .257 .385 32.4 38.3 8.0 3.10 2.73
Player 6080 990 89 9.0 5.7 89.2 116.2 18.0 36.0 .235 .420 .326 .318 .391 36.3 25.9 10.2
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .405 .316 .315 .368 36.5 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Stephenson relies on 5 pitches.
Cutter
(41.4%) ,
Slider
(24.1%) ,
Four Seamer
(23.6%) ,
Split Finger
(10.6%) ,
Curveball
(0.3%) ,

Cutter316 Pitches (41.4%)
Slider184 Pitches (24.1%)
Four Seamer180 Pitches (23.6%)
Split Finger81 Pitches (10.6%)
Curveball2 Pitches (0.3%)

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+ If Available Pitches Click to Video.


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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 %
2016 35.3 64.7 23.3 31.0 10.3 43.1 30.2 26.7 19.0 11.2 5.2 24.1 19.0 21.6
2017 41.3 58.7 24.8 26.9 7.0 37.2 42.1 20.7 17.8 18.2 5.4 19.4 24.0 15.3
2018 32.5 67.5 25.0 37.5 5.0 32.5 45.0 22.5 10.0 20.0 2.5 22.5 25.0 20.0
2019 32.7 67.3 31.4 25.6 10.3 41.7 37.8 20.5 15.4 14.1 3.2 26.3 23.7 17.3
2020 23.1 76.9 46.2 15.4 15.4 53.8 34.6 11.5 19.2 0.0 3.8 34.6 34.6 7.7
2021 39.2 60.8 31.2 23.2 6.4 37.6 41.6 20.8 20.8 16.0 2.4 16.8 25.6 18.4
2022 27.1 72.9 34.5 28.2 10.2 36.7 35.0 28.2 13.0 11.9 2.3 23.7 23.2 26.0
2023 34.3 65.7 31.5 21.3 13.0 41.7 30.6 27.8 14.8 11.1 8.3 26.9 19.4 19.4
Player 34.8 65.2 29.5 26.5 9.2 39.3 37.4 23.3 16.5 14.1 4.2 22.8 23.2 19.1
MLB 44.4 55.6 23.8 24.7 7.1 37.2 37.5 25.2 20.6 17.8 6.0 16.6 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
2016 2.6 27.6 29.3 25.9 6.9 7.8 5.3
2017 3.3 27.3 27.7 24.8 4.5 9.5 6.0
2018 5.0 17.5 35.0 30.0 2.5 10.0 6.3
2019 2.6 25.6 37.2 20.5 5.8 5.1 3.1
2020 3.8 19.2 38.5 7.7 7.7 23.1 14.0
2021 4.0 25.6 28.8 29.6 4.8 7.2 4.6
2022 2.8 19.2 31.1 27.7 9.6 9.0 6.5
2023 4.6 25.9 30.6 22.2 3.7 13.0 7.0
Player 3.3 24.6 31.0 24.8 5.9 9.0 5.7
MLB 3.9 32.6 24.8 24.4 5.9 7.0 4.8
! Note: All figures in this table cover the period 2015-present.

Pitch Movement

Created with Highcharts 6.2.0Chart context menuRobert Stephenson Vertical Movement vs Avg (Inches) by SeasonSource: baseballsavant.mlb.comCutterCurveballSliderSplit FingerFour SeamerSinkerChangeup20162017201820192020202120222023-15-10-50510

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)
Year
Pitch
Team
Hand
#
MPH
Vertical
Drop
vs.
Comparable
Horizontal
Break
vs.
Comparable
Vertical
Break
vs. Avg
Horizontal
Break
vs. Avg
2023 Cutter TB R 316 88.7 32.0 -4.9 0.9ARM -3.4 2.8 -5.1 0.9ARM -3.5
2023 Curveball TB R 2 77.2 59.1 2.2 9.7GLV 1.8 -12.6 2.7 9.7GLV 0.8
2023 Slider TB R 184 84.8 39.0 2.3 3.9GLV -1.2 -1.2 2.7 3.9GLV -1.4
2023 Split-Finger TB R 81 88.8 25.6 -6.1 12.4ARM 0.5 9.0 -5.7 12.4ARM 1.3
2023 4-Seam Fastball TB R 180 96.8 12.5 1.2 11.6ARM 3.3 16.8 1.0 11.6ARM 4.2
2022 Slider PIT R 462 83.9 41.3 3.4 5.2GLV -0.6 -2.7 4.5 5.2GLV -0.4
2022 4-Seam Fastball PIT R 436 96.8 14.0 -0.5 11.4ARM 3.2 15.1 -1.1 11.4ARM 4.0
2022 Sinker PIT R 1 95.8 15.1 -5.2 13.2ARM -2.1 14.7 -6.4 13.2ARM -1.5
2022 Split-Finger PIT R 5 88.1 27.4 -4.0 11.2ARM -0.5 7.7 -3.6 11.2ARM -0.2
2022 Curveball PIT R 10 77.5 56.3 -0.1 11.5GLV 2.9 -10.6 0.7 11.5GLV 2.4
! 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 %
2023 Cutter 3.7 12 316 41.4 82 .101 .253 .151 59.9 51.2 46.2 .121 .245 .159 25.6
2023 Slider 0.7 1 184 24.1 50 .186 .372 .304 42.9 36.0 30.0 .197 .418 .315 46.2
2023 4-Seam Fastball -2.6 -5 180 23.6 47 .300 .575 .419 20.0 21.3 18.9 .287 .585 .415 43.3
2023 Split-Finger 3.5 3 81 10.6 20 .100 .150 .108 42.2 35.0 26.9 .157 .176 .147 0.0
2023 Curveball -4.1 0 2 0.3 -- -- -- -- -- 0.0 -- -- -- --
2022 Slider 0.3 1 462 50.5 122 .170 .357 .264 44.4 39.3 25.5 .176 .345 .257 32.3
2022 4-Seam Fastball -2.5 -11 436 47.7 121 .386 .658 .459 13.2 5.8 8.1 .360 .602 .418 47.7
2022 Curveball 6.2 1 10 1.1 3 .000 .000 .000 0.0 0.0 0.0 .159 .496 .269 33.3
2022 Split-Finger -5.5 0 5 0.5 -- -- -- -- -- 0.0 -- -- -- --
2022 Sinker -5.2 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
2023 Cutter 311 88.6 19 2.8 11:45 1:00 -75
2023 4-Seam Fastball 179 96.8 95 20.3 1:15 1:15 0
2023 Split-Finger 80 88.8 91 15.2 1:15 2:00 -45
2023 Slider 184 84.8 32 5.4 7:30 8:00 -30
2022 Curveball 10 77.5 71 18.1 7:00 7:30 -30
2022 4-Seam Fastball 436 96.8 99 18.8 1:30 1:15 15
2022 Slider 425 83.9 39 7.4 7:30 7:45 -15
! Note: Years are in reverse order.
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1212345678910114-SEAM FASTBALLCUTTERSLIDERCURVEBALLSPLIT-FINGERRobert StephensonSpin-Based Movement by Pitch TypeSPIN DIRECTION - PITCHER POV
1212345678910114-SEAM FASTBALLCUTTERSLIDERCURVEBALLSPLIT-FINGERRobert StephensonObserved Movement by Pitch TypeSPIN DIRECTION - PITCHER POV
! Note: This table is showing data from the PITCHER perspective.
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Pitcher Arm Angle

2020202120222023All YearsClick a year to see pitches
ARM ANGLE47°2020 ARM ANGLE45°2021 ARM ANGLE43°2022 ARM ANGLE48°2023
! 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
2016 169 717 -6 6 -6 -4 -10
2017 380 1,460 5 6 -9 -9 -7
2018 60 247 -3 2 -3 -1 -5
2019 252 1,001 3 10 -2 -3 7
2020 43 176 -1 -2 -1 -1 -5
2021 197 767 5 7 -6 -4 1
2022 246 914 -7 5 -4 -3 -9
2023 199 763 2 9 3 -3 11
Player 1,546 6,045 -3 42 -28 -3 -17
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+ Show Leverage-Based Run Value

Plate Discipline

Season
Pitches
Zone %
Zone Swing %
Zone Contact %
Chase %
Chase Contact %
Edge %
1st Pitch Strike %
Swing %
Whiff %
Meatball %
Meatball Swing %
2016 721 44.9 71.9 85.8 28.2 63.4 39.0 52.9 47.9 20.6 7.4 86.8
2017 1,464 45.6 68.8 77.9 27.5 51.6 42.5 54.6 46.2 29.7 6.9 81.2
2018 247 49.8 65.9 76.5 24.2 66.7 42.5 44.4 44.9 25.2 6.1 86.7
2019 1,028 44.8 69.2 77.1 34.9 34.2 37.9 64.1 50.1 39.4 7.0 81.4
2020 176 46.0 61.7 74.0 37.9 41.7 40.9 58.1 48.9 39.5 4.5 75.0
2021 767 50.5 65.1 80.6 27.6 54.3 42.8 57.4 46.5 27.2 7.7 69.5
2022 914 48.9 71.6 82.8 34.5 50.3 41.6 62.8 52.6 28.1 7.3 80.6
2023 763 46.4 68.1 70.1 41.3 28.4 40.1 68.3 53.7 46.6 8.3 68.3
Player 6,080 46.8 68.7 78.8 31.8 46.0 40.9 59.1 49.0 32.2 7.2 78.4
MLB 48.7 67.0 82.0 28.5 57.8 42.6 61.0 47.2 25.0 7.3 76.3
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year
xwOBA /
xERA
xBA
xSLG
xISO
xOBP
Brl
Brl%
EV
Hard
Hit%
K%
BB%
Whiff%
Chase
Rate
FB
Velo
FB
Spin
CB
Spin
Extension
2016 67 73 29 55
2017 14 41 22 15 7 28 2 2 15 57 2 83 49 62 81 57 49
2018 54 72 44
2019 96 94 95 90 91 87 84 80 98 88 32 99 95 76 88 40
2020 74 93 40
2021 90 97 98 42
2022 15 13 4 4 44 51 19 6 17 45 82 69 93 90 87 35
2023 90 85 24
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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 %
2016 23.2 9 7.1 2 4 4 4 44.4
2017 23.1 12 13.1 -1 3 14 4 33.3
2018 23.9 2 2.2 0 0 2 1 50.0
2019 23.4 9 5.6 3 5 5 2 22.2
2020 23.6 8 5.3 3 2 4 2 25.0
2021 23.4 5 5.6 -1 1 3 3 60.0
2022 23.9 10 10.3 0 3 5 7 70.0
2023 25.4 8 7.7 0 1 5 4 50.0
Player 23.7 63 57.1 6 19 42 27 42.9
Note: xHR tells how many of this pitcher's home runs 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
2016 9 7 6 8 8 6 8 7 7 5 6 9 6 5 7 7 5 6 7 8 8 7 10 8 6 6 8 11 8 7 6
2017 12 14 8 12 13 13 16 15 9 9 11 14 15 14 13 16 11 14 15 12 16 11 17 15 15 10 11 15 17 15 8
2018 2 3 2 2 1 2 2 2 2 2 2 3 3 2 2 3 2 2 2 3 2 2 3 2 2 2 2 3 3 2 2
2019 9 8 5 6 7 5 7 6 3 3 4 7 6 6 4 5 5 4 6 7 6 8 8 6 6 4 4 7 8 5 3
2020 8 5 4 6 5 7 6 6 5 3 4 7 5 4 6 6 5 6 5 6 6 5 8 6 4 5 5 5 6 5 3
2021 5 6 5 6 6 6 6 6 5 5 6 7 5 4 6 6 5 5 6 6 5 6 7 5 5 5 7 6 5 6 5
2022 10 11 7 13 10 11 12 9 7 9 9 13 9 9 11 13 10 9 11 10 10 10 14 11 9 8 13 11 10 10 10
2023 8 6 8 8 9 8 8 7 10 7 7 8 8 7 8 8 7 7 8 9 7 8 9 8 6 6 9 9 8 8 6
Player 63 60 45 61 59 58 65 58 48 43 49 68 57 51 57 64 50 53 60 61 60 57 76 61 53 46 59 67 65 58 43
Note: xHR tells how many of this pitcher's home runs 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

Metric
2016
2017
+/-
 
2018
+/-
 
2019
+/-
 
2020
+/-
 
2021
+/-
 
2022
+/-
 
2023
+/-
 
Fastball Velocity 93.9 93.7 -0.2 93.2 -0.5 94.9 1.7 94.7 -0.2 96.4 1.7 96.8 0.4 91.6 -5.2
Offspeed Velocity 85.7 85.0 -0.7 84.6 -0.4 87.1 2.5 86.5 -0.6 87.2 0.7 88.1 0.9 88.8 0.7
Breaking Velocity 81.4 83.6 2.2 83.0 -0.6 84.5 1.5 83.6 -0.9 82.2 -1.4 83.8 1.6 84.7 0.9
Exit Velocity 89.8 89.9 0.1 88.4 -1.5 87.3 -1.1 91.2 3.9 89.1 -2.1 90.6 1.5 87.0 -3.6
Launch Angle 17.9 15.4 -2.5 15.4 0.0 19.0 3.6 26.1 7.1 15.4 -10.7 21.0 5.6 19.4 -1.6
Barrel % 7.8 9.5 1.7 10.0 0.5 5.1 -4.9 23.1 18.0 7.2 -15.9 9.0 1.8 13.0 4.0
Hard Hit % 38.8 37.2 -1.6 32.5 -4.7 26.8 -5.7 53.8 27.0 36.8 -17.0 41.8 5.0 32.4 -9.4
LA Sweet-Spot % 34.5 38.0 3.5 55.0 17.0 34.0 -21.0 38.5 4.5 32.0 -6.5 36.7 4.7 31.5 -5.2
xBA .263 .253 -0.010 .290 0.037 .195 -0.095 .240 0.045 .228 -0.012 .267 0.039 .180 -0.087
BA .279 .256 -0.023 .340 0.084 .182 -0.158 .282 0.100 .241 -0.041 .275 0.034 .165 -0.110
xwOBA .357 .352 -0.005 .387 0.035 .255 -0.132 .376 0.121 .306 -0.070 .336 0.030 .257 -0.079
wOBA .381 .344 -0.037 .428 0.084 .262 -0.166 .495 0.233 .313 -0.182 .349 0.036 .243 -0.106
xSLG .461 .454 -0.007 .512 0.058 .318 -0.194 .593 0.275 .392 -0.201 .474 0.082 .353 -0.121
SLG .517 .445 -0.072 .580 0.135 .377 -0.203 .897 0.520 .408 -0.489 .502 0.094 .341 -0.161
K% 18.2 22.5 4.3 17.5 -5.0 30.9 13.4 30.2 -0.7 26.4 -3.8 22.3 -4.1 38.3 16.0
BB% 11.2 13.8 2.6 19.0 5.2 9.2 -9.8 7.0 -2.2 9.1 2.1 5.7 -3.4 8.0 2.3
Swing % 47.9 46.2 -1.7 44.9 -1.3 50.1 5.2 48.9 -1.2 46.5 -2.4 52.6 6.1 53.7 1.1
Whiff% 20.6 29.7 9.1 25.2 -4.5 39.4 14.2 39.5 0.1 27.2 -12.3 28.1 0.9 46.6 18.5
In Zone % 44.9 45.6 0.7 49.8 4.2 44.8 -5.0 46.0 1.2 50.5 4.5 48.9 -1.6 46.4 -2.5
Out of Zone % 55.1 54.4 -0.7 50.2 -4.2 55.2 5.0 54.0 -1.2 49.5 -4.5 51.1 1.6 53.6 2.5
Out of Zone Swing % 28.2 27.5 -0.7 24.2 -3.3 34.9 10.7 37.9 3.0 27.6 -10.3 34.5 6.9 41.3 6.8
First Pitch Swing % 27.6 29.9 2.3 19.0 -10.9 34.4 15.4 20.9 -13.5 29.9 9.0 37.2 7.3 35.2 -2.0
First Pitch Strike % 52.9 54.6 1.7 44.4 -10.2 64.1 19.7 58.1 -6.0 57.4 -0.7 62.8 5.4 68.3 5.5
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Statcast Fielder Positioning

vs RHH
vs LHH
Year
Alignment Type
PA
wOBA
PA
Total
%
PA
Total
%
2016 Shifts 168 .384 83 8 9.6 85 16 18.8
2017 Shifts 380 .344 217 6 2.8 163 23 14.1
2018 Shifts 60 .428 29 0 0.0 31 8 25.8
2019 Shifts 255 .265 143 12 8.4 112 49 43.8
2020 Shifts 43 .495 22 2 9.1 21 21 100.0
2021 Shifts 197 .313 108 4 3.7 89 31 34.8
2022 Shifts 246 .349 133 22 16.5 113 27 23.9
2023 Shades 199 .243 128 22 17.2 71 26 36.6
! 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 Empty
Runners On Base
Season
Team
Pitches
Tempo
Fast %
Slow %
Pitches
Tempo
Fast %
Slow %
2016 194 18.7 15.5% 3.6% 124 24.6 2.4% 23.4%
2017 373 18.4 5.6% 2.7% 266 24.1 0.0% 14.3%
2018 52 18.7 7.7% 1.9% 56 23.7 0.0% 7.1%
2019 285 19.9 2.1% 3.5% 132 23.5 0.0% 8.3%
2020 67 19.8 0.0% 0.0% 11 21.3 0.0% 9.1%
2021 168 22.8 0.0% 8.9% 176 27.1 0.0% 24.4%
2022 222 21.0 0.0% 5.9% 142 24.0 0.0% 14.8%
2023 179 16.0 24.6% 0.6% 101 18.3 6.9% 1.0%

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Pitch Distribution

Robert Stephenson - 2023 Frequency of Pitches by Pitch Speed4-Seam FastballCurveballCutterSliderSplit-FingerAll Pitches75 MPH80 MPH85 MPH90 MPH95 MPH100 MPHPitch Speed0%5%10%15%Frequency of Speed