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Poor Avg Great

Stats

W L ERA G GS SV IP SO WHIP
2017 1 4 5.70 31 0 0 30.0 28 1.57
4 Seasons 4 7 4.02 173 0 1 168.0 172 1.32
G W-L ERA IP SO WHIP
2017 31 1-4 5.70 30.0 28 1.57
4 Seasons 173 4-7 4.02 168.0 172 1.32

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 31 1024 164 14 8.5 86.9 109 10.1 37.8 .219 .390 .322 .291 .373 31.1 27.5 7.1 4.18 3.63
2016 32 767 125 7 5.6 88 109.1 13.5 28.8 .219 .351 .309 .290 .315 35.2 20.3 10.4 3.14 3.63
2017 33 541 93 6 6.5 88.7 116.5 22.3 26.9 .214 .364 .338 .295 .329 35.2 20.6 11 5.70 3.78
2332 382 27 7.1 87.7 116.5 14.1 32.2 .218 .372 .322 .292 .343 33.4 23.6 9.1
6.6 88.3 122.2 12 32.9 .243 .403 .317 .313 .364 35.4 22 8.4

Statcast Pitch Arsenal

Diaz relies on 3 pitches.
Slider
(53%) ,
4-Seam Fastball
(37.4%) ,
Sinker
(9.7%) ,


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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%
2017 Slider 285 194 91 53.0 87.1 72 65 13 7 4 0 2 22 46 .200 .189 .354 .302 .251 .250 88.0 16 2357 6.2 31.6 19.1
2017 4-Seam Fastball 201 130 71 37.4 97.0 49 40 14 9 3 0 2 6 34 .350 .257 .575 .492 .445 .383 87.6 30 2257 6.6 21.0 9.5
2017 Sinker 52 25 27 9.7 96.5 11 11 5 3 1 1 0 0 11 .455 .244 .727 .327 .492 .247 90.1 18 2201 6.6 16.1 0.0
2016 4-Seam Fastball 463 254 209 60.7 96.6 113 98 21 15 2 0 4 22 76 .214 .222 .357 .376 .302 .312 86.4 15 2242 6.7 22.3 14.6
2016 Slider 193 161 32 25.3 86.3 43 38 3 1 1 0 1 15 24 .079 .121 .184 .159 .164 .174 87.5 9 2251 6.2 36.6 20.8
2016 Sinker 65 39 26 8.5 96.3 17 17 7 5 1 0 1 0 17 .412 .403 .647 .569 .450 .418 89.4 8 2156 6.6 6.9 0.0
2016 Changeup 42 10 32 5.5 89.8 8 8 5 2 1 0 2 0 8 .625 .263 1.500 .505 .879 .322 88.8 8 1628 6.6 15.8 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 47 14 32.3 6.7 36.6 39 24.4 1.8 39.6 20.7 19.5 6.1 8.5
2016 48.8 17.6 24 9.6 30.4 34.4 34.4 3.2 36 28 21.6 4 5.6
2017 35.5 20.4 23.7 20.4 34.4 31.2 34.4 3.2 23.7 36.6 17.2 6.5 6.5
44.8 16.8 27.5 11 34 35.6 30.1 2.6 34.6 27 19.6 5.5 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
2017 4-Seamer TB R 201 97 13.4 -1.6 -13 6.3 -1.6 -20
2017 Sinker TB R 52 96.5 17.6 0 0 12.7 -2 -14
2017 Slider TB R 285 87.1 34.7 3.3 10 6.4 3.1 97
2016 Changeup CIN R 42 89.8 20.5 -4.6 -18 11.5 -2.6 -18
2016 Slider CIN R 192 86.3 31.4 0.1 0 6.6 4.5 207
2016 4-Seamer CIN R 461 96.6 10.1 2 16 5.8 -2.8 -33
2016 Sinker CIN R 65 96.3 13.8 -2.9 -17 13.7 -1 -7
! 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 %
2017 Sinker 0.8 0 52 9.6 11 .455 .727 .505 16.1 0 0 .244 .327 .247 36.4
2017 4-Seamer 2.3 5 201 37.2 49 .35 .575 .452 21 12.2 9.5 .257 .492 .384 32.4
2017 Slider -1.1 -3 285 52.7 72 .2 .354 .268 31.6 30.6 19.1 .189 .302 .251 37
! Note: Years are in reverse order.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2014 138 569 -2 -5 4 1 -2
2015 251 1011 -3 -4 3 3 -1
2016 181 763 -7 -4 5 2 -4
2017 132 538 5 -6 1 2 2
+ View Complete Swing/Take Leaderboard

Plate Discipline

Season Pitches Zone % Zone Swing % Zone Contact % Chase % Chase Contact % Edge % 1st Pitch Strike % Swing % Whiff % Meatball % Meatball Swing %
2015 1024 49.1 73.1 72.8 28.5 54.7 41.3 60 50.4 31.8 7 84.7
2016 767 50.2 71.4 81.5 25.9 59.6 40.4 57.7 48.8 24.3 8.6 81.8
2017 541 52.8 65.1 80 31.1 60.8 44.4 69.1 49.2 25.6 8.6 76.1
2332 50.3 70.6 77.3 28.2 57.7 41.7 61.4 49.6 27.9 7.9 81.5
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 62 74 41 15 73 50 3 84 65 86 55 94 62 98 56
2016 94 49
2017 95 55
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Year to Year Changes

Metric 2015 2016 +/-   2017 +/-   2018 +/-   2019 +/-   2020 +/-   2021 +/-  
Fastball Velocity 97.9 96.6 -1.3 0.3 undefined undefined
Offspeed Velocity 90.4 89.8 -0.6 0 undefined undefined
Breaking Velocity 87.1 86.3 -0.8 0.8 undefined undefined
Exit Velocity 86.9 88 1.1 0.7 undefined undefined
Launch Angle 10.1 13.5 3.4 8.8 undefined undefined
Barrel % 8.5 5.6 -2.9 0.9 undefined undefined
Hard Hit % 31.1 35.2 4.1 0 undefined undefined
Sweet Spot % 37.8 28.8 -9 -1.9 undefined undefined
xBA .219 .219 0 -0.005 undefined undefined
BA .253 .224 -0.029 0.047 undefined undefined
xwOBA .291 .29 -0.001 0.005 undefined undefined
wOBA .322 .309 -0.013 0.029 undefined undefined
xSLG .39 .351 -0.039 0.013 undefined undefined
SLG .441 .404 -0.037 0.054 undefined undefined
K% 27.5 20.3 -7.2 0.3 undefined undefined
BB% 7.1 10.4 3.3 0.6 undefined undefined
Swing % 50.4 48.8 -1.6 0.4 undefined undefined
Whiff% 31.8 24.3 -7.5 1.3 undefined undefined
In Zone % 49.1 50.2 1.1 2.6 undefined undefined
Out of Zone % 50.9 49.8 -1.1 -2.6 undefined undefined
Out of Zone Swing % 28.5 25.9 -2.6 5.2 undefined undefined
First Pitch Swing % 38 33.5 -4.5 -1.1 undefined undefined
First Pitch Strike % 60 57.7 -2.3 11.4 undefined undefined
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Statcast Shift Statistics

vs RHHvs LHH
YearPAwOBAPAShifts%PAShifts%
2016 180 .306 108 0 0.0 72 15 20.8
2017 131 .331 88 26 29.5 43 4 9.3

Pitch Distribution