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Jack Flaherty
P | B/T: R/R | 6' 4" 225LBS | Age: 26

Draft: 2014 | Rd: 1, #34, St. Louis Cardinals | Harvard-Westlake (CA) HS
Poor Avg Great

Stats

W L ERA G GS SV IP SO WHIP
2021 9 2 3.22 17 15 0 78.1 85 1.06
5 Seasons 32 24 3.34 93 90 0 487.1 567 1.07
G W-L ERA IP SO WHIP
2021 17 9-2 3.22 78.1 85 1.06
5 Seasons 93 32-24 3.34 487.1 567 1.07

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
2017 22 358 63 4 6.3 84.3 109.3 9.5 41.3 .250 .429 .354 .330 .377 22.6 21.3 10.6 6.33 4.83
2018 23 2587 363 25 6.9 86.9 110.8 15.5 31.1 .203 .326 .281 .280 .344 34.4 29.6 9.6 3.34 3.32
2019 24 3179 479 31 6.5 86.5 116.3 15.2 31.7 .206 .348 .254 .269 .345 29.7 29.9 7.1 2.75 3.20
2020 25 719 102 7 6.9 87.7 110.4 9.3 37.3 .262 .432 .299 .341 .438 32.4 28.8 9.4 4.91 5.07
2021 26 1353 205 19 9.3 89.8 113.2 13.4 38 .245 .456 .280 .337 .423 41.5 26.4 8.1 3.22 4.92
8196 1212 86 7.1 87.2 116.3 14.2 33.6 .218 .370 .275 .292 .367 33 28.7 8.4
6.6 88.3 122.2 12 32.9 .243 .403 .317 .313 .363 35.4 22 8.4

Statcast Pitch Arsenal

Flaherty relies on 5 pitches.
4-Seam Fastball
(50.6%) ,
Slider
(28.3%) ,
Curveball
(13.1%) ,
Sinker
(6.3%) ,
Changeup
(1.8%) ,


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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%
2021 4-Seam Fastball 684 330 354 50.6 93.6 166 145 28 17 3 0 8 38 110 .193 .259 .379 .484 .288 .356 89.7 12 2246 6.8 17.1 17.3
2021 Slider 383 227 156 28.3 83.7 104 93 20 12 5 0 3 31 63 .215 .241 .366 .481 .286 .345 87.8 18 2401 6.7 40.5 23.3
2021 Curveball 177 53 124 13.1 76.2 31 30 5 3 1 0 1 13 17 .167 .208 .300 .345 .213 .253 89.1 10 2405 6.5 39.3 23.2
2021 Sinker 85 37 48 6.3 90.9 14 13 2 1 1 0 0 2 11 .154 .210 .231 .315 .203 .261 91.6 -6 2083 6.8 32.3 20.0
2021 Changeup 24 2 22 1.8 84.5 6 5 2 1 1 0 0 1 4 .400 .194 .600 .228 .474 .281 89.0 7 1626 6.7 33.3 100.0
2020 4-Seam Fastball 318 140 178 44.2 94.0 74 63 15 11 1 0 3 21 43 .238 .305 .397 .562 .328 .410 89.9 17 2199 6.7 24.3 21.6
2020 Slider 206 122 84 28.7 84.4 57 51 9 6 1 0 2 21 30 .176 .179 .314 .289 .258 .252 82.7 6 2347 6.6 49.5 22.3
2020 Curveball 98 22 76 13.6 77.3 21 19 5 4 0 0 1 6 14 .263 .266 .421 .363 .297 .296 86.6 -1 2417 6.5 34.2 27.3
2020 Sinker 82 40 42 11.4 92.1 14 12 2 1 1 0 0 1 11 .167 .317 .250 .394 .251 .369 89.7 -3 2038 6.7 30.0 9.1
2020 Changeup 15 1 14 2.1 85.7 4 4 2 1 1 0 0 0 4 .500 .452 .750 .657 .530 .479 89.5 14 1842 6.6 16.7 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 %
2017 49.2 25.4 25.4 0 33.3 49.2 17.5 6.3 41.3 20.6 20.6 3.2 6.3
2018 43.3 23.4 23.7 9.6 43 34.7 22.3 4.7 32 27.8 23.7 3.9 6.9
2019 40.7 23 24.6 11.7 37.8 35.1 27.1 4.6 30.1 26.5 22.8 5.8 6.5
2020 45.1 13.7 35.3 5.9 33.3 43.1 23.5 5.9 33.3 14.7 30.4 8.8 6.9
2021 40 28.3 25.9 5.9 37.1 36.6 26.3 4.9 29.8 22.9 23.4 9.8 9.3
42.2 23.3 25.5 9 38.6 36.6 24.8 4.9 31.4 25 23.7 6 7.1
45.1 22.5 25.4 7.1 36.6 37.8 25.4 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
2021 Slider STL R 381 83.7 34.8 -3.1 -8 7.4 0.1 1
2021 4-Seamer STL R 681 93.6 15.8 -0.4 -3 4 -3.8 -48
2021 Sinker STL R 84 90.9 24 0.7 3 11.6 -2.9 -20
2021 Changeup STL R 24 84.5 31.2 -0.9 -3 11.1 -2.9 -21
2021 Curveball STL R 177 76.2 60.1 2.5 4 12.1 1.5 14
2020 4-Seamer STL R 318 94 15.9 -0.5 -3 5.8 -2.1 -27
2020 Sinker STL R 82 92.1 24 1.3 6 11.9 -2.8 -19
2020 Curveball STL R 98 77.3 58.1 2.6 5 13 2.4 23
2020 Slider STL R 206 84.4 35.3 -2.2 -6 6.4 0.6 10
2020 Changeup STL R 15 85.7 29.7 -1.6 -5 13.4 0 0
2019 Slider STL R 842 84.8 33.3 -3 -8 6.4 0.8 14
2019 Curveball STL R 371 78.2 56.5 1.4 3 12.8 1.8 16
2019 Changeup STL R 63 86.2 29.4 -0.8 -3 11.7 -2.4 -17
2019 Sinker STL R 364 92.1 23.5 0.2 1 11.5 -3 -21
2019 4-Seamer STL R 1437 94.3 15.8 -0.3 -2 4.8 -3.1 -39
2018 Sinker STL R 412 91.1 24.2 0.1 0 12.1 -2.3 -16
2018 Curveball STL R 289 77.2 57.4 2.3 4 13.3 1.9 17
2018 4-Seamer STL R 1034 93.2 16.7 -0.5 -3 4.7 -3 -39
2018 Slider STL R 774 83.6 34.7 -2.6 -7 5.4 -0.2 -4
2018 Changeup STL R 77 85.3 30 -1.2 -4 12.5 -1.5 -11
2017 Slider STL R 89 84.5 33.5 -1.4 -4 2.5 -2 -43
2017 Curveball STL R 48 77.6 57.4 6.1 12 10.8 0.9 9
2017 Sinker STL R 92 92.6 18.6 -2.8 -13 12.5 -2.6 -17
2017 Changeup STL R 21 87.4 22.7 -5.1 -18 13.6 -0.5 -4
2017 4-Seamer STL R 105 93.4 14 1 7 4.8 -3.4 -41
! 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 %
2021 Changeup 2.8 1 24 1.8 6 .4 .6 .475 33.3 16.7 100 .194 .228 .277 25
2021 Sinker -0.6 0 85 6.3 14 .154 .231 .204 32.3 14.3 20 .21 .315 .259 54.5
2021 Curveball -0.2 0 177 13.1 31 .167 .3 .215 39.3 41.9 23.2 .208 .345 .253 35.3
2021 Slider -0.1 0 383 28.3 104 .215 .366 .306 40.5 29.8 23.3 .241 .481 .346 36.5
2021 4-Seamer -0.8 -5 684 50.6 166 .193 .379 .307 17.1 22.9 17.3 .259 .484 .356 44.5
2020 Changeup 5.5 1 15 2.1 4 .5 .75 .538 16.7 0 0 .452 .657 .479 25
2020 Sinker -1.9 -2 82 11.4 14 .167 .25 .254 30 7.1 9.1 .317 .394 .369 45.5
2020 Curveball 2.4 2 98 13.6 21 .263 .421 .3 34.2 28.6 27.3 .266 .363 .294 28.6
2020 Slider -0.4 -1 206 28.7 57 .176 .314 .276 49.5 36.8 22.3 .179 .289 .252 23.3
2020 4-Seamer 0.2 1 318 44.2 74 .238 .397 .331 24.3 28.4 21.6 .305 .562 .41 37.2
2019 Changeup 1.1 1 64 2 17 .25 .625 .382 22.6 0 0 .386 .75 .484 37.5
2019 Curveball 0.2 1 383 12 50 .25 .354 .297 40.5 38 25 .214 .296 .246 33.3
2019 Sinker -2.1 -8 379 11.9 81 .153 .25 .223 23.2 17.3 16.9 .198 .264 .247 21.1
2019 Slider -1.3 -12 876 27.6 223 .184 .324 .251 45.2 40.8 28.2 .159 .26 .215 18
2019 4-Seamer -1.5 -22 1477 46.5 399 .194 .343 .273 21.9 26.8 20.4 .226 .405 .3 35.9
2018 Changeup -0.3 0 77 3 16 .133 .2 .178 37.9 18.8 23.1 .138 .196 .182 33.3
2018 Curveball 0.5 1 289 11.2 48 .178 .178 .213 49 50 30.8 .141 .178 .174 38.1
2018 Sinker -0.2 -1 412 15.9 96 .268 .354 .334 20.2 12.5 14.5 .274 .374 .343 35.7
2018 Slider -0.4 -3 774 29.9 215 .181 .356 .292 45.6 39.5 27.5 .171 .299 .262 25
2018 4-Seamer -1.1 -11 1034 40 237 .198 .377 .291 19.6 24.5 17.3 .223 .372 .3 39.7
2017 Changeup 18 4 21 5.9 4 .667 2.667 1.175 11.1 0 0 .504 1.815 .872 66.7
2017 Curveball 1.1 1 49 13.7 9 .286 .429 .317 38.9 22.2 15.4 .256 .364 .299 33.3
2017 4-Seamer 2 2 105 29.3 24 .435 .609 .465 10.7 4.2 5.6 .347 .574 .406 36.4
2017 Sinker 1.8 2 92 25.7 25 .222 .333 .368 25.6 16 12.9 .219 .289 .354 7.1
2017 Slider -6.1 -5 89 24.9 30 .172 .276 .187 49.1 43.3 35.1 .173 .289 .199 5.9
! 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 11 85.8 78 14.4 1:15 2:00 -45
2020 Curveball 97 77.3 88 20.1 7:30 7:30 0
2020 4-Seam Fastball 302 94 85 15.7 1:00 12:45 15
2020 Sinker 73 92.1 78 14.4 12:45 2:00 -75
2020 Slider 201 84.4 47 7.4 9:45 9:30 15
2021 Changeup 23 84.5 76 13.3 12:45 2:00 -75
2021 Curveball 177 76.2 86 20.2 7:30 7:15 15
2021 4-Seam Fastball 679 93.6 79 15.4 12:45 12:30 15
2021 Sinker 84 90.9 74 14.7 12:45 2:00 -75
2021 Slider 380 83.7 51 8.8 9:30 9:30 0
! 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
2017 92 356 -1 -1 3 3 3
2018 612 2586 -19 -21 16 10 -14
2019 818 3377 -32 -35 11 15 -41
2020 196 829 -4 -6 6 3 0
2021 321 1353 -9 -14 10 7 -6
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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 %
2017 358 49.7 72.9 76 25.7 50 39.3 63.8 49.2 28.4 8.1 69
2018 2587 47.9 66.9 76.7 27.8 47.2 42 57.2 46.5 31.2 7 79
2019 3179 48.6 67.5 77.5 29.7 50.9 44.2 60.4 48 30.7 6.7 74.3
2020 719 46.5 67.7 77.9 25.2 36.1 41 61.8 44.9 34.4 7.2 73.1
2021 1353 48.2 67.2 81.1 24 47.6 42.1 58.7 44.8 27.9 6.9 84
8196 48.2 67.5 77.8 27.6 47.9 42.6 59.4 46.8 30.6 6.9 77
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
2017 55 37 67
2018 79 85 85 79 66 28 40 86 58 87 27 84 79 50 27 46
2019 87 85 82 74 89 19 58 94 93 85 65 82 87 65 31 50
2020 27 27 35 41 24 38 53 61 79 76 41 88 27 59 28 36
2021 22 40 19 9 37 45 22 25 27 68 52 65 22 50 46 43
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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 23.3 27 23.8 3 11 18 9 33.3
2020 23.2 6 5.7 0 3 2 2 33.3
2021 23.7 12 14.7 -3 6 9 0 0

Expected Home Runs by Park

Year HR
2019 27 24 27 21 30 24 26 27 21 26 28 25 18 21 23 27 19 28 20 28 13 21 22 24 25 25 24 23 27 20 27
2020 6 6 6 6 6 5 6 6 5 5 7 6 4 3 5 6 5 6 5 6 3 6 6 6 6 6 6 5 6 6 6
2021 12 10 16 11 16 13 15 14 13 11 19 15 7 16 11 15 13 13 12 14 8 10 12 13 11 16 13 12 13 9 17
! 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 93 92.6 -0.4 93.8 1.2 93.6 -0.2 93.3 -0.3
Offspeed Velocity 87.4 85.3 -2.1 86.2 0.9 85.7 -0.5 84.5 -1.2
Breaking Velocity 82.1 81.9 -0.2 82.8 0.9 82.1 -0.7 81.3 -0.8
Exit Velocity 84.3 86.9 2.6 86.5 -0.4 87.7 1.2 89.8 2.1
Launch Angle 9.5 15.5 6 15.2 -0.3 9.3 -5.9 13.4 4.1
Barrel % 6.3 6.9 0.6 6.5 -0.4 6.9 0.4 9.3 2.4
Hard Hit % 22.6 34.4 11.8 29.7 -4.7 32.4 2.7 41.5 9.1
Sweet Spot % 41.3 31.1 -10.2 31.7 0.6 37.3 5.6 38 0.7
xBA .25 .203 -0.047 .206 0.003 .262 0.056 .245 -0.017
BA .284 .199 -0.085 .192 -0.007 .221 0.029 .199 -0.022
xwOBA .33 .28 -0.05 .269 -0.011 .341 0.072 .337 -0.004
wOBA .354 .281 -0.073 .254 -0.027 .299 0.045 .28 -0.019
xSLG .429 .326 -0.103 .348 0.022 .432 0.084 .456 0.024
SLG .481 .345 -0.136 .335 -0.01 .369 0.034 .364 -0.005
K% 21.3 29.6 8.3 29.9 0.3 28.8 -1.1 26.4 -2.4
BB% 10.6 9.6 -1 7.1 -2.5 9.4 2.3 8.1 -1.3
Swing % 49.2 46.5 -2.7 48 1.5 44.9 -3.1 44.8 -0.1
Whiff% 28.4 31.2 2.8 30.7 -0.5 34.4 3.7 27.9 -6.5
In Zone % 49.7 47.9 -1.8 48.6 0.7 46.5 -2.1 48.2 1.7
Out of Zone % 50.3 52.1 1.8 51.4 -0.7 53.5 2.1 51.8 -1.7
Out of Zone Swing % 25.7 27.8 2.1 29.7 1.9 25.2 -4.5 24 -1.2
First Pitch Swing % 33 27.2 -5.8 30.6 3.4 27.6 -3 29.8 2.2
First Pitch Strike % 63.8 57.2 -6.6 60.4 3.2 61.8 1.4 58.7 -3.1
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2017 93 .354 48 0 0.0 45 3 6.7
2018 612 .281 303 5 1.7 309 40 12.9
2019 745 .250 369 4 1.1 376 149 39.6
2020 170 .299 76 6 7.9 94 27 28.7
2021 321 .280 155 15 9.7 166 74 44.6

Pitch Distribution