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J.A. Happ
Popularity: ↓ 2%
P | B/T: L/L | 6' 5" 205LBS | Age: 38
Draft: 2004 | Rd: 3, #92, Philadelphia Phillies | Northwestern
Poor Avg Great

Stats

W L ERA G GS SV IP SO WHIP
2020 2 2 3.47 9 9 0 49.1 42 1.05
14 Seasons 123 92 3.98 324 298 0 1741.1 1539 1.30
G W-L ERA IP SO WHIP
2020 9 2-2 3.47 49.1 42 1.05
14 Seasons 324 123-92 3.98 1741.1 1539 1.30

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Statcast Statistics

Season Pitches Batted Balls Barrels Barrel % Exit Velocity Launch Angle Sweet Spot % XBA XSLG WOBA XWOBA XWOBACON Hard Hit % K % BB % ERA xERA
2015 2839 519 24 4.6 89.4 12.9 34.9 .250 .380 .305 .300 .353 38 21.1 6.3 3.61 3.85
2016 3033 567 42 7.4 89.5 12.2 32.1 .253 .415 .291 .318 .366 37.3 20.5 7.5 3.19 4.43
2017 2487 438 19 4.3 85.9 9 33.3 .236 .371 .301 .289 .341 31.1 22.7 7.3 3.53 3.60
2018 3051 479 42 8.8 88.4 15.4 30.9 .226 .398 .295 .301 .373 34 26.4 7 3.65 3.84
2019 2696 483 40 8.3 89.2 13.7 33.3 .257 .462 .329 .330 .386 37.3 20.6 7.2 4.91 4.96
2020 787 137 7 5.1 88.1 12.7 26.3 .221 .343 .284 .280 .316 34.3 21.4 7.7 3.47 3.30
14893 2623 174 6.6 88.6 12.7 32.6 .243 .402 .303 .306 .362 35.7 22.2 7.1
6.4 88.3 11.9 32.8 .243 .402 .318 .312 .362 35.1 21.8 8.3

Statcast Pitch Arsenal

Happ relies on 5 pitches.
4-Seam Fastball
(44.3%) ,
Sinker
(22%) ,
Slider
(18.7%) ,
Changeup
(13.9%) ,
Curveball
(1.1%) ,


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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 Whiff% PutAway%
2020 4-Seam Fastball 349 301 48 44.3 91.6 74 62 13 6 3 0 4 18 45 .210 .194 .452 .327 .338 .293 88.1 28 2371 21.9 17.1
2020 Sinker 173 65 108 22.0 89.3 56 52 7 5 0 0 2 14 38 .135 .198 .250 .300 .190 .242 86.6 -6 2173 21.8 23.7
2020 Slider 147 92 55 18.7 84.2 30 30 6 2 3 0 1 6 24 .200 .223 .400 .365 .249 .251 85.6 21 2260 31.1 14.0
2020 Changeup 109 109 0 13.9 86.4 32 31 10 9 0 0 1 3 28 .323 .321 .419 .439 .332 .341 87.5 9 1755 15.8 7.9
2020 Curveball 9 9 0 1.1 80.9 4 3 1 0 1 0 0 1 2 .333 .131 .667 .212 .484 .279 93.1 41 2187 25.0 20.0
2019 4-Seam Fastball 1304 1111 193 48.4 92.0 310 272 66 30 11 0 25 77 196 .243 .244 .559 .536 .367 .362 92.2 26 2319 25.0 19.2
2019 Sinker 471 245 226 17.5 89.6 140 127 32 26 2 0 4 19 109 .252 .273 .362 .389 .291 .317 87.5 2 2103 18.1 19.6
2019 Slider 469 274 195 17.4 84.8 100 97 24 13 7 0 4 16 81 .247 .257 .443 .476 .297 .318 87.8 7 2191 21.2 13.6
2019 Changeup 428 412 16 15.9 86.0 119 117 36 28 6 1 1 25 92 .308 .272 .402 .363 .307 .279 84.4 4 1715 27.9 17.0
2019 Curveball 22 11 11 0.8 81.0 7 7 1 0 1 0 0 3 4 .143 .250 .286 .411 .174 .279 94.9 19 2205 33.3 16.7
! Note: Years are in reverse order.
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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
2020 Slider NYY L 147 84.2 33.7 -3.5 -9 2.7 -2.4 -48
2020 Changeup NYY L 109 86.4 27.5 -1.6 -5 14.9 1.7 13
2020 Curveball NYY L 9 80.9 42.1 -9 -18 3.2 -4.2 -57
2020 4-Seamer NYY L 349 91.6 15.1 0.9 6 7.8 1.4 22
2020 Sinker NYY L 173 89.3 25.5 1.9 8 13.4 -0.7 -5
2019 4-Seamer NYY L 1304 92 15.3 1.2 7 8.1 1.3 18
2019 Changeup NYY L 428 86 29.4 -0.9 -3 14.6 1.2 9
2019 Curveball NYY L 22 81 46.2 -6.2 -12 3.3 -4.4 -57
2019 Slider NYY L 469 84.8 32.4 -4.7 -13 2.5 -2.2 -47
2019 Sinker NYY L 471 89.6 25.5 1.7 7 14.1 0.1 1
2018 Curveball NYY L 51 75.9 56.7 -3.7 -6 2.5 -6.8 -73
2018 Slider NYY L 388 85.3 32.5 -3.6 -10 2.8 -1.7 -38
2018 Changeup NYY L 374 86 30 -0.4 -1 14.3 1 7
2018 Sinker NYY L 429 90.4 24.8 1.4 6 14.2 0 0
2018 4-Seamer NYY L 1807 92.3 14.7 1.6 10 7.1 0.1 1
2017 Curveball TOR L 131 76.9 52.3 -4 -7 3.9 -4.6 -54
2017 4-Seamer TOR L 1069 92.6 14.2 0.5 3 7.8 0.1 1
2017 Changeup TOR L 286 86.4 28.1 -0.3 -1 13.4 0 0
2017 Slider TOR L 305 86 30.7 -2.8 -8 3.6 0 -1
2017 Sinker TOR L 693 90.7 24.2 2.4 11 13.4 -1 -7
2016 Sinker TOR L 449 91.5 24.5 4.7 24 15.7 1.4 10
2016 Curveball TOR L 220 79 48.7 -4.2 -8 2.8 -4 -59
2016 Changeup TOR L 189 84.4 23.8 -5.1 -18 14.3 1.3 10
2016 4-Seamer TOR L 1751 92.4 15.1 -0.7 -5 10 1.8 22
2016 Slider TOR L 387 85.6 30.6 -2.4 -7 1.6 -1.2 -43
! 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 %
2020 Curveball 8.5 1 9 1.1 4 .333 .667 .488 25 25 20 .131 .212 .279 50
2020 Slider -1.4 -2 147 18.7 30 .2 .4 .252 31.1 20 14 .223 .364 .251 29.2
2020 Changeup -0.2 0 109 13.9 32 .323 .419 .338 15.8 9.4 7.9 .321 .439 .341 32.1
2020 Sinker -2.8 -5 173 22 56 .135 .25 .202 21.8 25 23.7 .198 .3 .25 31.6
2020 4-Seamer -0.3 -1 349 44.3 74 .21 .452 .34 21.9 24.3 17.1 .194 .327 .292 40
2019 Curveball -1.4 0 22 0.8 7 .143 .286 .179 33.3 42.9 16.7 .25 .411 .279 50
2019 Slider 0.5 2 470 17.4 101 .255 .449 .32 21.1 15.8 13.6 .254 .471 .315 34.6
2019 Changeup 1.5 6 428 15.9 119 .308 .402 .317 27.9 21 17 .272 .363 .28 27.2
2019 Sinker -1.5 -7 471 17.5 140 .252 .362 .309 18.1 13.6 19.6 .273 .389 .32 33
2019 4-Seamer 0.2 3 1304 48.4 310 .243 .559 .376 25 24.8 19.2 .244 .536 .363 45.4
2018 Curveball 6 3 51 1.7 8 .5 .667 .556 0 0 0 .352 .439 .436 16.7
2018 Changeup 1.2 4 374 12.3 88 .294 .353 .3 28.7 23.9 16.7 .228 .298 .247 14.1
2018 Slider -0.8 -3 388 12.7 96 .16 .33 .234 27.4 29.2 21.2 .207 .371 .256 39.4
2018 Sinker 1 4 429 14.1 141 .271 .388 .328 18 22.7 23.7 .24 .348 .293 33
2018 4-Seamer -1.1 -20 1807 59.2 399 .203 .41 .307 24.3 28.1 20.5 .224 .447 .325 38.6
2017 Curveball -1 -1 131 5.3 35 .176 .206 .164 36.4 40 28 .193 .229 .199 19
2017 Changeup 1.2 3 286 11.5 66 .27 .429 .322 29.5 16.7 13.9 .271 .426 .309 22.6
2017 Slider 0.2 0 305 12.3 70 .269 .418 .316 20.6 21.4 14.2 .242 .356 .264 32.1
2017 Sinker -2.1 -14 693 27.9 193 .257 .31 .276 11.2 7.3 11.1 .275 .389 .295 28.7
2017 4-Seamer -0.3 -4 1069 43 260 .251 .48 .368 27 33.8 23.7 .198 .367 .3 39
! Note: Years are in reverse order.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2020 Changeup 109 86.4 97 17.8 10:15 10:00 15
2020 4-Seam Fastball 349 91.6 90 18.9 10:45 11:15 -30
2020 Sinker 173 89.3 80 16 11:00 10:00 60
2020 Slider 147 84.2 29 5 12:15 1:15 -60
! Note: This table is showing data from the PITCHER perspective.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2016 836 3188 -26 -28 16 11 -28
2017 624 2484 -14 -21 13 7 -15
2018 743 3093 -9 -36 24 12 -9
2019 691 2767 -7 -19 18 11 2
2020 213 856 -6 -7 6 2 -4
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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 2839 50 65.4 83.4 26.5 67.2 42.9 60.3 45.8 19.8 6.6 77.2
2016 3033 50.6 67.7 81.9 25.6 65.6 43.6 59.9 47 22.2 6.8 78.6
2017 2487 46.1 68.9 82.4 29.6 68.2 44.4 62 47.7 22.1 6.2 79.2
2018 3051 47.1 69.5 81.8 28.5 62.1 45.7 60.9 47.8 24.1 6.8 81.7
2019 2696 45.8 71.4 82.6 28.4 60.7 45.2 58.7 48.1 23.6 6.4 79.7
2020 787 48.3 72.1 80.7 25.6 66.3 43.7 65.3 48 22.5 5 79.5
14893 48 68.7 82.3 27.6 64.7 44.3 60.6 47.3 22.4 6.5 79.3
48.4 66.6 82.2 28.4 59 42.6 60.6 46.9 24.3 7.2 75.7

Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel %
2015 43.5 22 27.2 7.3 31.8 39.1 29.1 2.9 33.1 24.3 26.8 5.8 4.6
2016 43.7 22.9 25.9 7.4 32.3 41.6 26.1 3.5 32.3 25.6 24.5 5.3 7.4
2017 47.7 21.9 25.1 5.3 26 42.9 31.1 6.6 33.3 24 24.7 5.9 4.3
2018 40.7 27.8 21.7 9.8 33.4 38.6 28 2.5 31.3 29.9 23.2 3.8 8.8
2019 41 26.7 23.8 8.3 30.6 45.5 23.6 2.5 32.7 26.9 23.4 5.8 8.3
2020 44.5 20.4 26.3 8.8 43.1 38 19 2.9 32.8 30.7 24.1 4.4 5.1
43.3 24 24.9 7.7 31.6 41.3 27 3.5 32.6 26.3 24.5 5.3 6.6
45.3 21.9 25.7 7.1 36.6 37.9 25.5 3.5 33.5 24.3 24.5 5.6 6.4

Percentile Rankings

Year xwOBA xBA xSLG xISO xOBP Brl Brl% EV HardHit% K% BB% Whiff% xERA FB Velo FB Spin CB Spin
2015 52 31 47 58 55 22 61 15 13 55 69 25 52 49 82 47
2016 34 35 38 40 41 3 19 24 29 47 56 42 34 40 79 20
2017 75 60 69 72 78 37 80 82 67 59 67 34 75 38 66 17
2018 56 63 42 26 74 2 12 47 62 72 69 45 56 38 66 12
2019 28 30 20 17 44 6 24 33 44 32 64 37 28 27 52 14
2020 78 68 75 78 77 38 75 54 65 38 62 21 78 22 56 14
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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 22.9 35 26.7 8 13 19 13 37.1
2020 22.6 10 7.1 3 1 5 4 40

Expected Home Runs by Park

Year HR
2019 35 32 29 30 34 23 26 31 26 25 33 31 18 22 24 30 18 30 24 30 15 24 23 25 30 29 28 24 28 27 32
2020 10 6 8 9 8 7 8 8 8 7 9 8 4 6 6 8 5 6 8 8 4 7 8 8 8 9 7 7 5 6 8
! 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 +/-  
Fastball Velocity 92.5 92.2 -0.3 ↓ 91.9 -0.3 ↓ 91.9 0 91.3 -0.6 ↓ 90.8 -0.5 ↓
Offspeed Velocity 85.6 84.4 -1.2 ↓ 86.4 2 ↑ 86 -0.4 ↓ 86 0 86.4 0.4 ↑
Breaking Velocity 82.3 83.2 0.9 ↑ 83.3 0.1 ↑ 84.2 0.9 ↑ 84.6 0.4 ↑ 84 -0.6 ↓
Exit Velocity 89.4 89.5 0.1 ↑ 85.9 -3.6 ↓ 88.4 2.5 ↑ 89.2 0.8 ↑ 88.1 -1.1 ↓
Launch Angle 12.9 12.2 -0.7 ↓ 9 -3.2 ↓ 15.4 6.4 ↑ 13.7 -1.7 ↓ 12.7 -1 ↓
Barrel % 4.6 7.4 2.8 ↑ 4.3 -3.1 ↓ 8.8 4.5 ↑ 8.3 -0.5 ↓ 5.1 -3.2 ↓
Hard Hit % 38 37.3 -0.7 ↓ 31.1 -6.2 ↓ 34 2.9 ↑ 37.3 3.3 ↑ 34.3 -3 ↓
Sweet Spot % 34.9 32.1 -2.8 ↓ 33.3 1.2 ↑ 30.9 -2.4 ↓ 33.3 2.4 ↑ 26.3 -7 ↓
xBA .25 .253 0.003 ↑ .236 -0.017 ↓ .226 -0.01 ↓ .257 0.031 ↑ .221 -0.036 ↓
BA .259 .231 -0.028 ↓ .252 0.021 ↑ .225 -0.027 ↓ .258 0.033 ↑ .208 -0.05 ↓
xwOBA .3 .318 0.018 ↑ .289 -0.029 ↓ .301 0.012 ↑ .33 0.029 ↑ .28 -0.05 ↓
wOBA .305 .291 -0.014 ↓ .301 0.01 ↑ .295 -0.006 ↓ .329 0.034 ↑ .284 -0.045 ↓
xSLG .38 .415 0.035 ↑ .371 -0.044 ↓ .398 0.027 ↑ .462 0.064 ↑ .343 -0.119 ↓
SLG .391 .371 -0.02 ↓ .395 0.024 ↑ .389 -0.006 ↓ .469 0.08 ↑ .382 -0.087 ↓
K% 21.1 20.5 -0.6 ↓ 22.7 2.2 ↑ 26.4 3.7 ↑ 20.6 -5.8 ↓ 21.4 0.8 ↑
BB% 6.3 7.5 1.2 ↑ 7.3 -0.2 ↓ 7 -0.3 ↓ 7.2 0.2 ↑ 7.7 0.5 ↑
Swing % 45.8 47 1.2 ↑ 47.7 0.7 ↑ 47.8 0.1 ↑ 48.1 0.3 ↑ 48 -0.1 ↓
Whiff% 19.8 22.2 2.4 ↑ 22.1 -0.1 ↓ 24.1 2 ↑ 23.6 -0.5 ↓ 22.5 -1.1 ↓
In Zone Swing % 50 50.6 0.6 ↑ 46.1 -4.5 ↓ 47.1 1 ↑ 45.8 -1.3 ↓ 48.3 2.5 ↑
Out of Zone Swing % 50 49.4 -0.6 ↓ 53.9 4.5 ↑ 52.9 -1 ↓ 54.2 1.3 ↑ 51.7 -2.5 ↓
First Pitch Swing % 27.2 29.1 1.9 ↑ 30.4 1.3 ↑ 25.5 -4.9 ↓ 30.5 5 ↑ 33.7 3.2 ↑
First Pitch Strike % 60.3 59.9 -0.4 ↓ 62 2.1 ↑ 60.9 -1.1 ↓ 58.7 -2.2 ↓ 65.3 6.6 ↑
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2016 786 .291 630 6 1.0 156 34 21.8
2017 624 .302 506 0 0.0 118 20 16.9
2018 732 .295 589 20 3.4 143 56 39.2
2019 676 .328 504 103 20.4 172 100 58.1
2020 195 .286 143 20 14.0 52 33 63.5

Pitch Distribution

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