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Wei-Yin Chen
P | B/T: R/L | 6' 0" 200LBS | Age: 36

Poor Avg Great

Stats

W L ERA G GS SV IP SO WHIP
2019 0 1 6.59 45 0 0 68.1 63 1.54
8 Seasons 59 51 4.18 219 170 0 1064.2 846 1.28
G W-L ERA IP SO WHIP
2019 45 0-1 6.59 68.1 63 1.54
8 Seasons 219 59-51 4.18 1064.2 846 1.28

Statcast Statistics

Season Age Pitches Batted Balls Barrels Barrel % Exit Velocity Max EV Launch Angle Sweet Spot % XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2015 30 3010 593 35 5.9 87.2 113.4 15.1 30.2 .241 .392 .325 .298 .345 32.4 19.3 5.2 3.34 3.82
2016 31 1918 393 33 8.4 89.7 113.7 13.2 33.8 .276 .475 .335 .338 .400 37.9 19.2 4.6 4.96 5.08
2017 32 493 97 3 3.1 86.7 107.1 17.4 30.9 .219 .345 .265 .272 .298 28.9 18.9 6.8 3.82 3.19
2018 33 2224 412 22 5.3 87.6 112.1 17.4 35 .225 .364 .318 .286 .322 31.5 19.4 8.2 4.79 3.47
2019 34 1151 221 19 8.6 89.5 111.9 13.4 39.4 .281 .498 .378 .351 .419 41.9 20.5 5.9 6.58 5.71
8796 1716 112 6.5 88.1 113.7 15.2 33.4 .249 .416 .329 .309 .359 34.4 19.5 6
6.6 88.3 122.2 12 32.9 .242 .402 .317 .312 .363 35.6 22 8.4

Statcast Pitch Arsenal

Chen relies on 5 pitches.
4-Seam Fastball
(48.4%) ,
Slider
(23.3%) ,
Curveball
(21.5%) ,
Changeup
(3.8%) ,
Sinker
(3%) ,


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Pitch Tracking

Year Pitch Type # # RHB # LHB % MPH PA AB H 1B 2B 3B HR SO BBE BA XBA SLG XSLG WOBA XWOBA EV LA Spin Ext. Whiff% PutAway%
2019 4-Seam Fastball 540 355 185 48.4 91.4 143 126 40 20 12 1 7 29 100 .317 .285 .595 .514 .403 .365 90.8 14 2136 6.2 14.4 15.6
2019 Slider 260 125 135 23.3 85.8 89 86 29 18 4 0 7 17 69 .337 .311 .628 .565 .407 .375 88.7 15 2291 6.0 25.0 21.5
2019 Curveball 240 164 76 21.5 74.1 46 44 10 9 1 0 0 14 31 .227 .222 .250 .322 .212 .258 87.4 7 2299 5.8 30.5 28.0
2019 Changeup 42 41 1 3.8 84.0 12 12 2 0 1 0 1 1 11 .167 .212 .500 .483 .263 .289 86.7 13 1369 6.1 14.3 6.7
2019 Sinker 33 17 16 3.0 89.7 5 4 4 3 0 1 0 0 4 1.000 .902 1.500 1.572 .971 .966 94.2 16 2058 6.1 25.0 0.0
2018 4-Seam Fastball 1169 960 209 53.0 91.1 304 263 64 35 19 0 10 59 213 .243 .229 .430 .378 .323 .304 88.1 23 2102 6.1 17.9 16.9
2018 Slider 487 341 146 22.1 84.9 134 129 31 23 3 1 4 35 96 .240 .200 .372 .312 .266 .231 87.2 12 2195 5.9 20.9 20.0
2018 Changeup 256 239 17 11.6 83.0 70 65 21 12 8 0 1 8 58 .323 .237 .492 .372 .362 .287 84.6 9 1461 6.0 24.8 13.1
2018 Curveball 226 196 30 10.3 73.3 35 33 8 7 1 0 0 8 25 .242 .285 .273 .418 .251 .328 86.0 9 2213 5.7 31.5 15.7
2018 Sinker 66 44 22 3.0 90.6 19 17 6 3 0 0 3 0 17 .353 .232 .882 .507 .532 .349 88.7 24 1968 6.0 7.1 0.0
! Note: Years are in reverse order.
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Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel %
2015 42.7 22.4 23.9 11 40.3 33.7 26 3.5 31 27 24.3 5.1 5.9
2016 41.7 24.4 27.7 6.1 37.4 35.4 27.2 2.3 29.5 24.4 25.4 6.6 8.4
2017 39.2 24.7 23.7 12.4 28.9 41.2 29.9 6.2 22.7 35.1 25.8 4.1 3.1
2018 38.1 26 26.2 9.7 35 37.6 27.4 3.9 27.9 32.5 22.8 5.3 5.3
2019 37.6 26.2 29.9 6.3 34.4 39.8 25.8 1.8 29.9 23.5 23.5 9 8.6
40.5 24.4 26.1 9 36.9 36.2 26.8 3.3 29.3 27.7 24.2 5.9 6.5
45.1 22.5 25.4 7.1 36.6 37.8 25.5 3.7 33.2 24.4 24.4 5.7 6.6

Pitch Movement


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 Changeup MIA L 42 84 28 -3.1 -10 7.9 -5.4 -41
2019 Sinker MIA L 33 89.7 20.6 -3.2 -13 12 -2.1 -15
2019 Curveball MIA L 240 74.1 63 0.4 1 7.9 -3.1 -28
2019 Slider MIA L 260 85.8 30.6 -4.6 -13 5.4 1.2 28
2019 4-Seamer MIA L 540 91.4 16.3 0.4 2 3.5 -3.3 -48
2018 4-Seamer MIA L 1169 91.1 16 1 6 5.8 -1.2 -17
2018 Changeup MIA L 256 83 28.7 -4 -12 10.2 -3.1 -24
2018 Curveball MIA L 226 73.3 62.8 -0.7 -1 6.3 -4.3 -41
2018 Slider MIA L 487 84.9 31.6 -4.8 -13 5.1 0.3 7
2018 Sinker MIA L 66 90.6 20.7 -2.9 -12 13.8 -0.6 -4
2017 Curveball MIA L 64 73.9 61.1 0.9 1 6.6 -4.2 -39
2017 Changeup MIA L 65 82.4 28 -3.3 -11 11.4 -1.9 -14
2017 Sinker MIA L 53 90 19 -3.7 -16 15.6 1.1 8
2017 4-Seamer MIA L 267 91 14.3 1.6 10 7.4 -0.6 -8
2017 Slider MIA L 43 84.2 31.3 -4.8 -13 5.8 1.3 29
2016 Sinker MIA L 314 90.8 17.2 -3.5 -17 13.4 -0.9 -6
2016 Changeup MIA L 210 84 25.7 -4.1 -14 11.4 -1.7 -13
2016 4-Seamer MIA L 835 91.3 13.5 1.9 12 9 0.6 7
2016 Curveball MIA L 208 75.3 58.1 0 0 7 -2 -23
2016 Slider MIA L 307 84.9 29.4 -4.7 -14 4.1 1.3 47
! 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 9.9 3 34 3 5 1 1.5 1 25 0 0 .901 1.572 .962 25
2019 Changeup -3.6 -2 44 3.8 13 .154 .462 .25 13.6 7.7 6.7 .195 .446 .267 27.3
2019 Curveball -0.2 0 258 22.4 53 .24 .3 .25 29.1 30.2 29.1 .195 .283 .237 32.3
2019 Slider 4 10 261 22.7 89 .337 .628 .419 25 19.1 21.5 .311 .565 .375 47.8
2019 4-Seamer 1.9 10 554 48.1 145 .315 .591 .426 14.2 20 15.3 .283 .51 .365 43
2018 Sinker 6.2 4 66 3 19 .353 .882 .532 7.1 0 0 .232 .507 .35 35.3
2018 Curveball -0.7 -2 226 10.2 35 .242 .273 .256 31.5 22.9 15.7 .285 .418 .328 36
2018 Changeup 2.9 7 256 11.5 70 .323 .492 .379 24.8 11.4 13.1 .237 .372 .287 25.9
2018 Slider 0.3 2 487 21.9 134 .24 .372 .279 20.9 26.1 20 .2 .312 .235 29.2
2018 4-Seamer -0.3 -3 1169 52.6 304 .243 .43 .329 17.9 19.4 16.9 .229 .378 .305 33.3
2017 Curveball 0.6 0 64 13 12 .25 .25 .225 22.7 33.3 19 .25 .312 .242 37.5
2017 Sinker 1.5 1 53 10.8 16 .333 .467 .369 10.3 0 0 .436 .692 .491 46.7
2017 Slider -2.7 -1 43 8.7 16 .143 .143 .2 17.4 6.3 5.6 .265 .289 .3 15.4
2017 Changeup -3.2 -2 65 13.2 17 .063 .063 .094 35.3 23.5 23.5 .137 .168 .166 8.3
2017 4-Seamer -0.2 -1 267 54.2 71 .219 .453 .313 17.2 22.5 20 .174 .327 .248 30.6
2017 N/A 1 0.2
! Note: Years are in reverse order.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2012 847 3249 -10 -14 14 10 1
2013 569 2177 -16 -6 16 6 0
2014 810 3105 -3 -14 9 6 -2
2015 779 2962 0 -26 15 6 -5
2016 507 1880 -3 -6 11 3 5
2017 132 492 -5 -2 2 1 -3
2018 562 2204 6 -23 18 7 8
2019 295 1115 8 4 4 4 20
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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 3010 52.7 69.9 85.1 30.4 68.5 44.5 68.4 51.1 19 8 78.6
2016 1918 52.6 67.4 85.3 28.4 62.8 43.9 64 48.9 20.7 7.7 82.1
2017 493 52.5 68.3 83.1 27.8 73.8 43.2 62.9 49.1 19.4 9.7 85.4
2018 2224 48.1 67.5 83.8 25.1 65.9 44.9 63.1 45.5 20.3 7.5 75.9
2019 1151 52.9 72.4 85.7 27.8 58.2 43.2 59.3 50.9 20 8.6 82.3
8796 51.5 69 84.8 28.1 65.7 44.2 64.6 49.1 19.8 8 79.7
48.5 66.8 82 28.3 58.5 42.6 60.6 47 24.6 7.2 76

Percentile Rankings

Year xwOBA xBA xSLG xISO xOBP Brl Brl% EV HardHit% K% BB% Whiff% xERA FB Velo FB Spin CB Spin
2015 54 44 38 35 71 4 27 76 60 42 86 20 54 40 22 49
2016 17 7 7 10 46 16 8 19 23 37 93 29 17 25 10 34
2017 23 9 20
2018 71 65 62 59 71 34 71 72 79 29 48 17 71 27 20 18
2019 12 7 8 9 24 44 22 25 10 30 81 11 12 27 21 25
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2019 23.4 15 14.6 0 8 15 3 20

Expected Home Runs by Park

Year HR
2019 15 16 19 15 18 10 14 18 16 17 16 13 8 12 14 19 10 15 13 17 11 11 12 18 12 19 14 13 19 10 18
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights and distances, but does not attempt to adjust for 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 +/-   2020 +/-   2021 +/-  
Fastball Velocity 92 91.2 -0.8 90.8 -0.4 91.1 0.3 0.2 undefined undefined
Offspeed Velocity 83.4 84 0.6 82.4 -1.6 83 0.6 1 undefined undefined
Breaking Velocity 80.6 81 0.4 78 -3 81.2 3.2 -1 undefined undefined
Exit Velocity 87.2 89.7 2.5 86.7 -3 87.6 0.9 1.9 undefined undefined
Launch Angle 15.1 13.2 -1.9 17.4 4.2 17.4 0 -4 undefined undefined
Barrel % 5.9 8.4 2.5 3.1 -5.3 5.3 2.2 3.3 undefined undefined
Hard Hit % 32.4 37.9 5.5 28.9 -9 31.5 2.6 10.4 undefined undefined
Sweet Spot % 30.2 33.8 3.6 30.9 -2.9 35 4.1 4.4 undefined undefined
xBA .241 .276 0.035 .219 -0.057 .225 0.006 0.056 undefined undefined
BA .262 .276 0.014 .207 -0.069 .256 0.049 0.055 undefined undefined
xwOBA .298 .338 0.04 .272 -0.066 .286 0.014 0.065 undefined undefined
wOBA .325 .335 0.01 .265 -0.07 .318 0.053 0.06 undefined undefined
xSLG .392 .475 0.083 .345 -0.13 .364 0.019 0.134 undefined undefined
SLG .456 .477 0.021 .347 -0.13 .432 0.085 0.125 undefined undefined
K% 19.3 19.2 -0.1 18.9 -0.3 19.4 0.5 1.1 undefined undefined
BB% 5.2 4.6 -0.6 6.8 2.2 8.2 1.4 -2.3 undefined undefined
Swing % 51.1 48.9 -2.2 49.1 0.2 45.5 -3.6 5.4 undefined undefined
Whiff% 19 20.7 1.7 19.4 -1.3 20.3 0.9 -0.3 undefined undefined
In Zone % 52.7 52.6 -0.1 52.5 -0.1 48.1 -4.4 4.8 undefined undefined
Out of Zone % 47.3 47.4 0.1 47.5 0.1 51.9 4.4 -4.8 undefined undefined
Out of Zone Swing % 30.4 28.4 -2 27.8 -0.6 25.1 -2.7 2.7 undefined undefined
First Pitch Swing % 31.3 28.8 -2.5 28 -0.8 28 0 3.6 undefined undefined
First Pitch Strike % 68.4 64 -4.4 62.9 -1.1 63.1 0.2 -3.8 undefined undefined
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2016 503 .341 423 0 0.0 80 0 0.0
2017 132 .265 96 7 7.3 36 15 41.7
2018 566 .318 457 72 15.8 109 38 34.9
2019 295 .378 186 53 28.5 109 65 59.6

Pitch Distribution