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Poor Avg Great

Stats

W L ERA G GS SV IP SO WHIP
2020 1 2 7.65 24 0 4 20.0 17 2.25
5 Seasons 7 7 4.86 110 0 9 107.1 108 1.55
G W-L ERA IP SO WHIP
2020 24 1-2 7.65 20.0 17 2.25
5 Seasons 110 7-7 4.86 107.1 108 1.55

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 24 277 54 2 3.7 90.7 115.1 5.3 31.5 .215 .315 .274 .266 .308 44.4 23.1 7.7 2.37 3.01
2017 26 119 22 0 0 85.3 111.1 5.8 27.3 .302 .375 .536 .372 .317 27.3 6.7 16.7 9.00 6.37
2019 28 888 161 9 5.6 90.1 112.6 8.1 32.3 .234 .373 .315 .294 .358 42.2 25.7 7.8 4.53 3.86
2020 29 364 72 9 12.5 89.8 112.4 8.2 44.4 .338 .593 .449 .442 .489 40.3 16 13.2 7.65 9.59
1648 309 20 6.5 89.8 115.1 7.5 34.6 .256 .409 .353 .328 .376 41.1 21.8 9.6
6.6 88.3 122.2 12 32.9 .243 .403 .317 .313 .363 35.4 22 8.4

Statcast Pitch Arsenal

Diaz relies on 3 pitches.
Slider
(42%) ,
Sinker
(36%) ,
4-Seam Fastball
(22%) ,


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+ If Available Pitches Click to Video.


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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%
2020 Slider 153 89 64 42.0 85.2 37 32 12 6 5 0 1 11 23 .375 .304 .625 .565 .445 .396 81.4 6 2350 5.9 31.4 22.0
2020 Sinker 131 62 69 36.0 95.0 41 32 10 7 1 0 2 4 30 .313 .359 .531 .576 .398 .448 91.6 10 2105 6.0 18.0 25.0
2020 4-Seam Fastball 80 39 41 22.0 95.2 27 21 9 5 3 0 1 2 19 .429 .357 .714 .664 .531 .492 90.8 5 2170 6.0 17.1 12.5
2019 Slider 390 220 170 43.9 88.2 118 111 21 13 5 1 2 50 61 .189 .176 .306 .253 .234 .214 88.8 8 2413 5.3 46.9 29.9
2019 Sinker 275 123 152 31.0 96.8 81 69 24 14 5 1 4 6 64 .348 .305 .623 .497 .435 .388 91.5 5 2140 5.5 15.2 16.7
2019 4-Seam Fastball 223 120 103 25.1 97.2 46 43 11 6 3 1 1 7 36 .256 .267 .442 .486 .313 .336 90.1 15 2202 5.6 13.9 16.3
! 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 55.6 11.1 29.6 3.7 37 44.4 18.5 1.9 44.4 24.1 22.2 3.7 3.7
2017 59.1 9.1 27.3 4.5 36.4 36.4 27.3 9.1 40.9 18.2 31.8 0 0
2019 49.7 19.3 26.1 5 32.3 40.4 27.3 1.9 39.8 23.6 22.4 6.2 5.6
2020 44.4 11.1 40.3 4.2 34.7 44.4 20.8 6.9 29.2 11.1 29.2 9.7 12.5
50.2 15.2 30.1 4.5 34 41.7 24.3 3.6 38.2 20.4 24.6 6.1 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
2020 Slider COL R 153 85.2 40.2 4.5 13 1.7 -2.7 -62
2020 4-Seamer COL R 80 95.2 17.1 -2.8 -20 3.8 -3.5 -48
2020 Sinker COL R 131 95 19.7 -0.8 -4 12.8 -2.1 -14
2019 4-Seamer COL R 223 97.2 16 -1.8 -13 4.5 -3.5 -44
2019 Slider COL R 390 88.2 37.4 3.9 12 1.6 -2.1 -57
2019 Sinker COL R 275 96.8 20.8 0 0 12.4 -3.1 -20
2017 Sinker COL R 36 96.8 17.9 -1.1 -6 9.5 -6.4 -40
2017 Curveball COL R 11 79.7 51.9 -2.8 -5 12 4.9 69
2017 Slider COL R 16 88.9 30.5 0 0 4.5 1.6 54
2017 4-Seamer COL R 56 97.6 13.8 -1.4 -12 3.9 -4.7 -55
! 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 4-Seamer 6.5 5 80 22 27 .429 .714 .569 17.1 7.4 12.5 .357 .664 .491 31.6
2020 Slider 3.3 5 153 42 37 .375 .625 .476 31.4 29.7 22 .304 .565 .396 34.8
2020 Sinker 1.8 2 131 36 41 .313 .531 .401 18 9.8 25 .359 .576 .446 50
2019 4-Seamer -2.2 -5 223 25.1 46 .256 .442 .323 13.9 15.2 16.3 .267 .486 .337 41.7
2019 Sinker 2.8 8 275 31 81 .348 .623 .469 15.2 7.4 16.7 .305 .497 .389 46.9
2019 Slider -1.1 -4 390 43.9 118 .189 .306 .256 46.9 42.4 29.9 .176 .253 .214 37.7
2017 Curveball 0.3 0 11 9.2 3 0 0 .233 0 0 0 .095 .143 .302 0
2017 Slider 4.3 1 16 13.4 4 .25 .25 .45 37.5 50 20 .048 .087 .055 0
2017 4-Seamer 5.4 3 56 47.1 10 .5 .625 .535 4.5 0 0 .305 .356 .371 25
2017 Sinker 6.7 2 36 30.3 13 .7 1 .727 11.1 0 0 .443 .551 .488 40
! 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 4-Seam Fastball 76 95.2 88 12.7 1:00 12:30 30
2020 Sinker 117 95 86 16.5 1:00 1:45 -45
2020 Slider 124 85.3 28 5.2 8:30 7:00 90
! 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
2015 78 277 1 -5 1 1 -3
2017 30 119 2 1 2 1 6
2019 245 887 2 -12 3 5 -2
2020 105 364 6 -2 6 2 13
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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 277 54.9 64.5 85.7 29.6 51.4 45.1 57.7 48.7 23.7 7.9 63.6
2017 119 47.9 70.2 90 16.1 80 34.5 56.7 42 12 7.6 77.8
2019 888 47.7 72.6 80.8 32.1 49 41 64.5 51.5 29.5 6.9 82
2020 364 44.2 67.7 88.1 28.1 54.4 39.8 62.3 45.6 23.5 8.5 80.6
1648 48.2 69.9 83.8 29.6 51.8 41 62.3 49 26.2 7.5 78
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 98 35
2017
2019 69 57 69 76 63 80 76 13 8 67 55 76 69 96 28
2020 0 0 1 5 0 28 7 24 29 10 12 28 0 82 18
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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 22.3 7 9.4 -2 4 5 5 71.4
2020 20.4 4 6.9 -3 5 6 0 0

Expected Home Runs by Park

Year HR
2019 7 8 13 9 10 8 9 11 9 10 11 10 8 10 9 10 9 10 7 10 6 8 9 9 10 12 9 9 10 8 12
2020 4 7 9 7 7 3 6 8 5 8 6 5 5 5 5 9 4 8 7 8 4 7 7 8 6 8 8 7 9 4 9
! 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 95.1 -1.9 undefined
Offspeed Velocity 0 0 0 undefined
Breaking Velocity 88.2 85.2 -3 undefined
Exit Velocity 90.1 89.8 -0.3 undefined
Launch Angle 8.1 8.2 0.1 undefined
Barrel % 5.6 12.5 6.9 undefined
Hard Hit % 42.2 40.3 -1.9 undefined
Sweet Spot % 32.3 44.4 12.1 undefined
xBA .234 .338 0.104 undefined
BA .251 .365 0.114 undefined
xwOBA .294 .442 0.148 undefined
wOBA .315 .449 0.134 undefined
xSLG .373 .593 0.22 undefined
SLG .43 .612 0.182 undefined
K% 25.7 16 -9.7 undefined
BB% 7.8 13.2 5.4 undefined
Swing % 51.5 45.6 -5.9 undefined
Whiff% 29.5 23.5 -6 undefined
In Zone % 47.7 44.2 -3.5 undefined
Out of Zone % 52.3 55.8 3.5 undefined
Out of Zone Swing % 32.1 28.1 -4 undefined
First Pitch Swing % 39.6 34.9 -4.7 undefined
First Pitch Strike % 64.5 62.3 -2.2 undefined
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2017 30 .536 19 1 5.3 11 1 9.1
2019 245 .315 130 7 5.4 115 39 33.9
2020 105 .449 55 2 3.6 50 10 20.0

Pitch Distribution