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Robert Stock
P | B/T: L/R | 6' 1" 214LBS | Age: 31

Draft: 2009 | Rd: 2, #67, St. Louis Cardinals | Southern California
Poor Avg Great

Stats

W L ERA G GS SV IP SO WHIP
2021 0 2 8.00 3 3 0 9.0 9 2.11
4 Seasons 2 4 4.71 55 3 0 72.2 76 1.61
G W-L ERA IP SO WHIP
2021 3 0-2 8.00 9.0 9 2.11
4 Seasons 55 2-4 4.71 72.2 76 1.61

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
2018 29 609 113 2 1.8 86.7 109.7 13 24.8 .213 .287 .276 .258 .291 33.6 22.9 7.8 2.50 2.80
2019 30 229 32 3 9.4 91.6 112.3 8.5 40.6 .235 .430 .386 .345 .408 40.6 26.8 14.3 10.13 5.49
2020 31 253 38 2 5.3 92.4 108.6 6.9 39.5 .247 .345 .369 .333 .360 44.7 22.6 16.1 4.72 4.80
2021 32 168 26 4 15.4 91.3 114.8 11.1 34.6 .266 .516 .433 .411 .444 42.3 20 20 8.00 7.97
1259 209 11 5.3 89.1 114.8 10.9 31.1 .229 .350 .334 .308 .341 37.8 23.1 12.2
6.6 88.3 122.2 12 32.9 .242 .402 .317 .312 .363 35.6 22 8.4

Statcast Pitch Arsenal

Stock relies on 5 pitches.
4-Seam Fastball
(61.3%) ,
Cutter
(13.1%) ,
Slider
(11.9%) ,
Changeup
(11.9%) ,
Curveball
(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 103 42 61 61.3 96.2 28 20 7 4 1 0 2 4 16 .350 .339 .700 .686 .511 .504 94.5 7 2033 6.4 20.5 16.7
2021 Cutter 22 9 13 13.1 85.1 6 6 0 0 0 0 0 2 4 .000 .018 .000 .036 .000 .022 85.1 37 2453 6.4 30.0 50.0
2021 Changeup 20 2 18 11.9 82.9 6 4 1 0 0 0 1 2 2 .250 .168 1.000 .492 .570 .420 80.0 -20 1639 6.3 50.0 33.3
2021 Slider 20 13 7 11.9 82.4 5 5 2 2 0 0 0 1 4 .400 .348 .400 .431 .352 .344 90.4 16 2528 6.3 30.0 20.0
2021 Curveball 3 0 3 1.8 77.8 2540 6.3
2020 4-Seam Fastball 162 77 85 64.0 96.8 44 36 13 11 2 0 0 10 26 .361 .274 .417 .390 .404 .360 94.3 8 2218 6.4 23.0 24.4
2020 Slider 58 50 8 22.9 84.6 12 10 2 1 1 0 0 4 8 .200 .140 .300 .175 .193 .174 80.7 4 2734 6.3 30.4 21.1
2020 Changeup 33 0 33 13.0 82.3 6 4 1 0 1 0 0 0 4 .250 .272 .500 .369 .439 .423 86.3 -2 1454 6.3 33.3 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 %
2018 51.3 22.1 17.7 8.8 31 34.5 34.5 6.2 41.6 28.3 19.5 2.7 1.8
2019 50 31.3 15.6 3.1 43.8 28.1 28.1 0 31.3 18.8 31.3 9.4 9.4
2020 52.6 5.3 34.2 7.9 21.1 44.7 34.2 2.6 36.8 21.1 28.9 5.3 5.3
2021 42.3 23.1 26.9 7.7 50 34.6 15.4 0 34.6 23.1 23.1 3.8 15.4
50.2 20.6 21.5 7.7 33.5 35.4 31.1 3.8 38.3 24.9 23.4 4.3 5.3
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
2021 Slider NYM R 20 82.4 39.4 -0.5 -1 10.6 1.6 18
2021 Curveball NYM R 3 77.8 56.5 2.5 5 11 0 0
2021 Changeup NYM R 20 82.9 31.9 -1.2 -4 15.1 1.2 8
2021 4-Seamer NYM R 103 96.2 16.5 -2.4 -17 11.4 3.1 38
2021 Cutter NYM R 22 85.1 30.2 0.5 2 3.6 1.2 49
2020 Slider BOS R 58 84.6 41.6 4.5 12 7.9 2.3 41
2020 4-Seamer BOS R 162 96.8 15.1 -1.3 -9 11.1 3 37
2020 Changeup BOS R 32 82.2 35.1 1.7 5 15.2 1.6 12
2019 4-Seamer SD R 122 97.9 15.5 -1.7 -12 10.1 1.6 19
2019 Changeup SD R 19 84.9 29.9 -1.1 -4 14.6 0.7 5
2019 Slider SD R 86 82.8 41.5 1.9 5 14.5 6.6 84
2019 Sinker SD R 2 97.8 20.6 1.3 7 13.7 -1.5 -10
2018 Sinker SD R 46 97.6 21.4 2 10 14.5 -0.9 -6
2018 4-Seamer SD R 313 97.5 17.2 -2.8 -20 11.3 2.8 33
2018 Changeup SD R 21 82.7 32.5 -1.4 -4 14.9 0.9 6
2018 Slider SD R 229 82.7 41.3 1.2 3 12.4 5.2 72
! 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 Slider -1.3 0 20 11.9 5 .4 .4 .36 30 20 20 .348 .431 .344 25
2021 Changeup 4.9 1 20 11.9 6 .25 1 .567 50 33.3 33.3 .168 .492 .418 50
2021 Cutter -11.1 -2 22 13.1 6 0 0 0 30 33.3 50 .018 .036 .022 25
2021 4-Seamer 4.6 5 103 61.3 28 .35 .7 .516 20.5 14.3 16.7 .339 .686 .506 50
2021 Curveball 2.7 0 3 1.8 0
2020 Changeup 0.9 0 33 13 6 .25 .5 .442 33.3 0 0 .272 .369 .424 25
2020 Slider 0.6 0 58 22.9 12 .2 .3 .195 30.4 33.3 21.1 .14 .175 .174 37.5
2020 4-Seamer 3 5 162 64 44 .361 .417 .409 23 22.7 24.4 .274 .39 .36 50
2019 Changeup 2.2 0 19 8.3 5 .4 .4 .36 55.6 40 40 .3 .396 .293 33.3
2019 Slider 0.1 0 86 37.6 14 .167 .417 .307 57.1 50 35 .154 .426 .298 20
2019 4-Seamer 4.3 5 122 53.3 37 .333 .533 .458 18.5 16.2 21.4 .257 .437 .371 45.8
2019 Sinker 2.1 0 2 0.9 0
2018 Changeup 0.3 0 21 3.4 3 0 0 .3 42.9 33.3 12.5 .081 .154 .103 0
2018 Sinker -2.1 -1 46 7.6 16 .313 .375 .303 12.5 12.5 10.5 .23 .28 .227 21.4
2018 Slider -1.9 -4 229 37.6 48 .136 .205 .213 47.9 50 36.4 .132 .181 .183 20
2018 4-Seamer 0.1 0 313 51.4 98 .299 .345 .337 16.6 11.2 15.7 .255 .346 .306 40.3
! 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 29 82.2 95 16.8 2:45 2:30 15
2020 4-Seam Fastball 155 96.8 93 18 1:15 1:15 0
2020 Slider 56 84.7 40 10.2 8:45 8:00 45
2021 Changeup 20 82.9 94 17.2 2:30 2:15 15
2021 Cutter 22 85.1 27 7.9 10:45 11:00 -15
2021 4-Seam Fastball 103 96.2 94 17.2 1:15 1:30 -15
2021 Slider 20 82.4 42 11.3 8:15 8:45 -30
! 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
2018 165 609 -6 -5 3 3 -5
2019 56 229 0 0 4 1 6
2020 62 253 -2 3 3 2 6
2021 45 168 -1 0 3 1 3
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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 %
2018 609 51.7 62.2 81.1 22.1 50.8 43.2 62.7 42.9 25.7 6.4 76.9
2019 229 41.9 56.3 85.2 22.6 36.7 39.3 41.1 36.7 32.1 3.9 77.8
2020 253 45.1 71.1 84 18 44 37.9 53.2 41.9 25.5 7.5 73.7
2021 168 45.2 63.2 81.3 20.7 52.6 42.9 55.6 39.9 26.9 5.4 66.7
1259 47.7 63.1 82.3 21.1 46.8 41.4 56.2 41.1 26.8 6 75
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
2018 98 41
2019
2020 95 37
2021
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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 23.6 2 1.4 1 0 1 1 50
2020 0 1 -1 0 2 0
2021 23.5 3 2.7 0 0 1 2 66.7

Expected Home Runs by Park

Year HR
2019 2 1 1 2 2 1 1 2 1 2 1 1 1 1 1 2 1 2 2 2 1 1 1 2 2 2 2 1 2 1 1
2020 0 0 2 1 2 1 1 2 2 0 1 1 0 2 1 1 1 1 1 1 0 0 0 1 1 2 1 0 1 0 2
2021 3 3 2 3 3 3 2 3 3 3 3 3 2 2 2 3 2 3 2 2 2 3 3 3 3 3 3 3 2 3 3
! 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 97.5 97.9 0.4 96.8 -1.1 94.2 -2.6
Offspeed Velocity 82.7 84.9 2.2 82.3 -2.6 82.9 0.6
Breaking Velocity 82.7 82.8 0.1 84.6 1.8 81.8 -2.8
Exit Velocity 86.7 91.6 4.9 92.4 0.8 91.3 -1.1
Launch Angle 13 8.5 -4.5 6.9 -1.6 11.1 4.2
Barrel % 1.8 9.4 7.6 5.3 -4.1 15.4 10.1
Hard Hit % 33.6 40.6 7 44.7 4.1 42.3 -2.4
Sweet Spot % 24.8 40.6 15.8 39.5 -1.1 34.6 -4.9
xBA .213 .235 0.022 .247 0.012 .266 0.019
BA .247 .298 0.051 .32 0.022 .286 -0.034
xwOBA .258 .345 0.087 .333 -0.012 .411 0.078
wOBA .276 .386 0.11 .369 -0.017 .433 0.064
xSLG .287 .43 0.143 .345 -0.085 .516 0.171
SLG .3 .489 0.189 .4 -0.089 .571 0.171
K% 22.9 26.8 3.9 22.6 -4.2 20 -2.6
BB% 7.8 14.3 6.5 16.1 1.8 20 3.9
Swing % 42.9 36.7 -6.2 41.9 5.2 39.9 -2
Whiff% 25.7 32.1 6.4 25.5 -6.6 26.9 1.4
In Zone % 51.7 41.9 -9.8 45.1 3.2 45.2 0.1
Out of Zone % 48.3 58.1 9.8 54.9 -3.2 54.8 -0.1
Out of Zone Swing % 22.1 22.6 0.5 18 -4.6 20.7 2.7
First Pitch Swing % 30.1 19.6 -10.5 27.4 7.8 20 -7.4
First Pitch Strike % 62.7 41.1 -21.6 53.2 12.1 55.6 2.4
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2018 165 .276 90 0 0.0 75 9 12.0
2019 56 .386 32 0 0.0 24 5 20.8
2020 62 .369 32 0 0.0 30 7 23.3
2021 45 .433 19 9 47.4 26 15 57.7

Pitch Distribution