Zach Duke
P | Bats/Throws: L/L | 6' 2" 210LBS | Age: 41
Draft: 2001 | Rd: 20, #594, Pittsburgh Pirates | Midway HS (Waco, TX)
W L ERA G GS SV IP SO WHIP
2017 1 1 3.93 27 0 0 18.1 12 1.04
2018 5 5 4.15 72 0 0 52 51 1.50
2019 3 1 5.01 30 0 0 23.1 18 1.67
15 Seasons 69 91 4.31 570 169 4 1,360 854 1.45
G W-L ERA IP SO WHIP
2017 27 1-1 3.93 18.1 12 1.04
2018 72 5-5 4.15 52 51 1.50
2019 30 3-1 5.01 23.1 18 1.67
15 Seasons 570 69-91 4.31 1,360 854 1.45
MLB Percentile Rankings
Pitch Distribution
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Statcast Statistics

Season Age Pitches Batted
Balls		 Barrels Barrel % Barrel/PA Exit
Velocity		 Max EV Launch
Angle		 Sweet
Spot %		 XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2015 32 1053 153 8 5.2 3.1 87.4 111.9 3.7 25.5 .206 .346 .314 .299 .353 30.1 26.0 12.6 3.41 3.67
2016 33 1014 157 4 2.5 1.6 84.7 110.5 7.0 24.8 .196 .263 .275 .260 .290 24.2 26.4 11.2 2.36 2.80
2017 34 276 54 3 5.6 4.1 87.1 109.4 6.1 31.5 .251 .415 .273 .315 .343 35.2 16.2 8.1 3.93 4.27
2018 35 929 162 2 1.2 0.8 88.5 109.2 3.7 28.4 .220 .290 .308 .270 .296 34.0 21.3 8.8 4.15 3.04
2019 36 408 68 3 4.4 2.8 88.9 109.8 7.4 32.4 .264 .410 .360 .363 .367 42.2 17.0 17.0 5.01 6.04
Player 3680 594 20 3.4 2.1 87.1 111.9 5.2 27.4 .217 .320 .304 .289 .321 31.3 23.1 11.4
MLB 6.9 4.7 88.4 122.4 12.2 33.1 .245 .406 .316 .315 .368 36.3 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Duke relies on 4 pitches.
Sinker
(49.6%) ,
Slider
(31.6%) ,
Curveball
(12.1%) ,
Four Seamer
(6.7%) ,


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Pitch Tracking



Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2015 58.8 17.6 19.6 3.9 36.6 36.6 26.8 4.6 47.7 11.1 20.3 5.2 5.2 3.1
2016 63.1 12.1 17.2 7.6 32.5 44.6 22.9 6.4 47.8 15.3 22.3 3.8 2.5 1.6
2017 51.9 22.2 22.2 3.7 42.6 50.0 7.4 5.6 38.9 20.4 22.2 5.6 5.6 4.1
2018 60.5 14.2 21.0 4.3 37.7 38.3 24.1 4.3 48.1 15.4 23.5 3.7 1.2 0.8
2019 50.0 13.2 29.4 7.4 29.4 41.2 29.4 2.9 33.8 19.1 26.5 5.9 4.4 2.8
Player 58.8 15.2 20.7 5.4 35.5 40.9 23.6 4.9 45.5 15.2 22.6 4.5 3.4 2.1
MLB 44.6 23.5 24.8 7.0 37.0 37.5 25.3 3.9 32.8 24.7 24.4 5.8 6.9 4.7
! Note: All figures in this table cover the period 2015-present.

Pitch Movement

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How this works: Every pitch is affected by the forces of gravity, which means that every pitch drops on its way from the mound to the plate. These numbers are reported with gravity, which makes them larger and different than other pitch movement numbers you may have seen. Since gravity requires time, and slower pitches aren’t ‘better’ just because they have more time to move, the movement of a pitch is compared to ‘average’ movement by comparing it to other MLB pitch types within +/- 2 MPH and from within +/- 0.5 feet of extension and release.
Vertical Movement (inches) Horizontal Movement (inches)
Year Pitch Team Hand # MPH Inches of Drop vs Avg % vs Avg Inches of Break vs Avg % Break vs Avg
2019 Curveball CIN L 47 74.1 60.4 0.2 0 15.4 2.6 20
2019 Slider CIN L 123 80.4 39.7 -3.6 -8 10.8 2.6 31
2019 Sinker CIN L 193 89.0 32.5 6.7 26 13.4 -1.3 -9
2019 4-Seam Fastball CIN L 26 87.7 27.4 -8.0 -41 2.1 -4.9 -70
2018 Curveball SEA L 209 73.3 60.8 0.5 1 15.1 1.7 12
2018 Sinker SEA L 423 88.5 34.1 7.4 28 13.2 -1.4 -9
2018 4-Seam Fastball SEA L 25 87.1 27.4 -7.4 -37 3.1 -3.9 -56
2018 Slider SEA L 141 78.3 46.4 0.7 2 12.4 3.2 35
2018 Changeup SEA L 115 83.2 39.8 6.3 19 12.0 -1.7 -12
2017 Sinker STL L 146 88.1 32.6 6.8 26 13.8 -0.9 -6
2017 Slider STL L 54 79.5 39.7 -3.8 -9 9.3 1.4 19
2017 Curveball STL L 53 73.5 57.4 -1.0 -2 13.7 0.8 6
2017 Changeup STL L 13 83.2 41.1 9.7 31 11.8 -1.9 -14
2017 4-Seam Fastball STL L 10 87.6 25.9 -7.2 -39 3.6 -4.5 -56
2016 Slider STL L 153 81.8 38.3 -2.5 -6 8.9 2.2 34
2016 4-Seam Fastball STL L 85 89.7 25.6 -6.8 -37 4.2 -3.1 -42
2016 Changeup STL L 43 85.9 38.3 6.7 21 12.3 -0.8 -6
2016 Sinker STL L 509 90.3 34.4 7.7 29 13.4 -1.4 -10
2016 Curveball STL L 208 75.9 54.6 -1.4 -3 15.2 1.4 10
2015 Curveball CWS L 206 76.7 51.6 -2.7 -5 11.3 -0.2 -2
2015 Slider CWS L 151 82.8 34.6 -5.1 -13 4.4 -1.2 -22
2015 4-Seam Fastball CWS L 46 89.8 24.6 -6.1 -33 6.4 -1.1 -15
2015 Changeup CWS L 88 85.9 36.6 5.6 18 14.2 1.2 9
2015 Sinker CWS L 496 90.0 33.7 7.1 27 15.5 0.6 4
! Note: Years are in reverse order.
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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 %
2019 Sinker -1.9 -4 193 47.3 61 .340 .617 .458 12.2 8.2 13.5 .346 .577 .448 54.5
2019 Slider 2.9 4 123 30.1 20 .000 .000 .140 40.9 30.0 15.8 .123 .143 .234 0.0
2019 Curveball -1.7 -1 47 11.5 14 .167 .250 .254 35.3 42.9 22.2 .106 .122 .185 0.0
2019 4-Seam Fastball 5.2 1 26 6.4 5 .200 .200 .180 13.3 20.0 11.1 .325 .387 .308 75.0
2018 Sinker 1.5 6 423 45.5 98 .315 .391 .321 12.3 5.1 8.9 .255 .335 .278 37.1
2018 Curveball 1.1 2 209 22.5 75 .117 .150 .255 40.9 42.7 24.2 .103 .141 .234 10.7
2018 Slider -0.8 -1 141 15.2 31 .231 .308 .287 42.0 38.7 26.7 .189 .274 .262 40.0
2018 Changeup -3.9 -4 115 12.4 22 .500 .682 .624 28.9 0.0 0.0 .396 .483 .388 50.0
2018 4-Seam Fastball -1.9 0 25 2.7 6 .500 .667 .508 14.3 16.7 20.0 .407 .538 .407 20.0
2017 Sinker -0.4 -1 146 52.9 38 .250 .444 .326 18.6 7.9 8.6 .313 .509 .367 39.4
2017 Slider 3.4 2 54 19.6 9 .143 .286 .294 56.5 22.2 13.3 .238 .396 .360 40.0
2017 Curveball 1.0 1 53 19.2 17 .133 .133 .188 33.3 41.2 21.9 .104 .143 .174 12.5
2017 Changeup 11.8 2 13 4.7 5 .000 .000 .000 25.0 0.0 0.0 .244 .274 .222 20.0
2017 4-Seam Fastball -16.3 -2 10 3.6 3 .333 1.333 .667 0.0 0.0 0.0 .302 .958 .496 66.7
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2008 803 2,834 4 3 -13 -7 -13
2009 873 3,032 -2 19 -6 -8 3
2010 727 2,630 -24 9 -17 -8 -41
2011 337 1,213 -10 9 -8 -3 -12
2012 56 216 5 0 0 -1 4
2013 139 504 -2 2 -2 -2 -4
2014 237 975 6 7 -3 -3 7
2015 250 1,039 4 11 -4 -5 7
2016 255 1,002 12 8 -5 -4 11
2017 72 276 4 2 -3 -1 2
2018 232 913 5 10 -7 -6 3
2019 100 389 0 6 -4 -2 0
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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 %
2015 1,053 41.3 62.3 84.5 32.0 57.6 42.5 55.1 44.5 25.8 4.6 70.8
2016 1,014 46.8 60.0 80.4 27.5 55.4 40.5 59.3 42.7 25.9 6.6 77.6
2017 276 50.0 63.0 74.7 31.9 61.4 39.1 65.3 47.5 27.5 6.2 58.8
2018 929 45.6 70.2 80.8 25.2 58.4 45.8 56.8 45.9 23.5 4.9 77.8
2019 408 42.7 60.8 82.2 25.6 61.4 42.7 54.3 40.2 22.0 4.6 77.8
Player 3,680 44.7 63.6 81.3 28.4 57.9 42.6 57.4 44.1 25.0 5.3 74.4
MLB 48.6 66.9 82.0 28.4 58.0 42.6 60.9 47.1 24.8 7.3 76.1
! 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
2015 61 89 75 51 33 74 44 68 73 81 1 74 76 15 3 36 45
2016 91 95 99 99 66 96 96 100 99 84 9 74 33 14 5 42 45
2017 5 1 22 41
2018 88 73 95 99 49 100 100 44 63 45 40 41 18 4 3 19 35
2019 4 7 33
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2016 22.9 2 3.3 -1 0 3 1 50.0
2017 22.0 3 3.0 0 0 0 3 100.0
2018 20.6 1 1.4 0 0 2 0 0.0
2019 22.2 4 1.0 3 1 2 0 0.0
Player 22.1 10 8.7 1 1 7 4 40.0

Expected Home Runs by Park

Year HR
2016 2 4 4 2 4 2 3 3 4 2 4 4 3 3 3 3 2 3 4 4 3 3 4 3 2 3 4 4 3 4 4
2017 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
2018 1 1 2 2 1 1 1 2 1 1 1 2 2 1 1 2 1 1 2 2 2 1 2 2 1 1 1 2 2 1 0
2019 4 2 1 1 0 0 1 3 0 0 0 0 3 1 1 2 1 0 1 0 2 0 3 3 2 0 0 1 3 0 0
Player 10 10 10 8 8 6 8 11 8 6 8 9 11 8 8 10 7 7 10 9 10 7 12 11 8 7 8 10 11 8 7
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights, distances and environmental effects. For these purposes, the 2020 Blue Jays home field was still Rogers Centre, not Sahlen Field.
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Year to Year Changes

Metric 2015 2016 +/-   2017 +/-   2018 +/-   2019 +/-  
Fastball Velocity 89.9 90.2 0.3 ↑ 88.1 -2.1 ↓ 88.4 0.3 ↑ 88.8 0.4 ↑
Offspeed Velocity 85.9 85.9 0.0 83.2 -2.7 ↓ 83.2 0.0 0.0 0.0
Breaking Velocity 79.2 78.4 -0.8 ↓ 76.5 -1.9 ↓ 75.3 -1.2 ↓ 78.6 3.3 ↑
Exit Velocity 87.4 84.7 -2.7 ↓ 87.1 2.4 ↑ 88.5 1.4 ↑ 88.9 0.4 ↑
Launch Angle 3.7 7.0 3.3 ↑ 6.1 -0.9 ↓ 3.7 -2.4 ↓ 7.4 3.7 ↑
Barrel % 5.2 2.5 -2.7 ↓ 5.6 3.1 ↑ 1.2 -4.4 ↓ 4.4 3.2 ↑
Hard Hit % 30.1 24.2 -5.9 ↓ 35.2 11.0 ↑ 34.0 -1.2 ↓ 42.2 8.2 ↑
Sweet Spot % 25.5 24.8 -0.7 ↓ 31.5 6.7 ↑ 28.4 -3.1 ↓ 32.4 4.0 ↑
xBA .206 .196 -0.010 ↓ .251 0.055 ↑ .220 -0.031 ↓ .264 0.044 ↑
BA .218 .217 -0.001 ↓ .197 -0.020 ↓ .271 0.074 ↑ .250 -0.021 ↓
xwOBA .299 .260 -0.039 ↓ .315 0.055 ↑ .270 -0.045 ↓ .363 0.093 ↑
wOBA .314 .275 -0.039 ↓ .273 -0.002 ↓ .308 0.035 ↑ .360 0.052 ↑
xSLG .346 .263 -0.083 ↓ .415 0.152 ↑ .290 -0.125 ↓ .410 0.120 ↑
SLG .398 .294 -0.104 ↓ .364 0.070 ↑ .348 -0.016 ↓ .452 0.104 ↑
K% 26.0 26.4 0.4 ↑ 16.2 -10.2 ↓ 21.3 5.1 ↑ 17.0 -4.3 ↓
BB% 12.6 11.2 -1.4 ↓ 8.1 -3.1 ↓ 8.8 0.7 ↑ 17.0 8.2 ↑
Swing % 44.5 42.7 -1.8 ↓ 47.5 4.8 ↑ 45.9 -1.6 ↓ 40.2 -5.7 ↓
Whiff% 25.8 25.9 0.1 ↑ 27.5 1.6 ↑ 23.5 -4.0 ↓ 22.0 -1.5 ↓
In Zone % 41.3 46.8 5.5 ↑ 50.0 3.2 ↑ 45.6 -4.4 ↓ 42.7 -2.9 ↓
Out of Zone % 58.7 53.2 -5.5 ↓ 50.0 -3.2 ↓ 54.4 4.4 ↑ 57.3 2.9 ↑
Out of Zone Swing % 32.0 27.5 -4.5 ↓ 31.9 4.4 ↑ 25.2 -6.7 ↓ 25.6 0.4 ↑
First Pitch Swing % 22.4 24.0 1.6 ↑ 25.0 1.0 ↑ 25.8 0.8 ↑ 25.7 -0.1 ↓
First Pitch Strike % 55.1 59.3 4.2 ↑ 65.3 6.0 ↑ 56.8 -8.5 ↓ 54.3 -2.5 ↓
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 253 .274 144 6 4.2 109 15 13.8
2017 Shifts 72 .273 29 0 0.0 43 1 2.3
2018 Shifts 232 .309 134 29 21.6 98 47 48.0
2019 Shifts 100 .343 38 8 21.1 62 32 51.6
! 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 EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2010 777 14.0 64.4% 0.5% 487 22.0 1.8% 7.4%
2011 328 13.5 70.7% 0.0% 222 20.7 2.7% 6.8%
2012 54 14.4 53.7% 0.0% 38 19.0 2.6% 2.6%
2013 128 15.5 46.9% 2.3% 82 20.7 3.7% 8.5%
2014 290 18.1 13.1% 4.5% 178 22.9 0.6% 9.6%
2015 305 17.3 27.5% 3.6% 179 22.9 6.7% 12.3%
2016 276 17.0 31.2% 2.2% 216 22.5 5.6% 12.5%
2017 77 15.5 42.9% 1.3% 49 22.6 2.0% 4.1%
2018 226 16.9 16.4% 0.4% 196 21.4 0.0% 4.6%
2019 112 15.7 33.0% 0.0% 73 20.7 1.4% 4.1%
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Pitch Distribution

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