Kirby Yates
P | Bats/Throws: L/R | 5' 10" 205LBS | Age: 36
Draft: 2005 | Rd: 26, #798, Boston Red Sox | Kauai HS, HI
W L ERA G GS SV IP SO WHIP
2020 0 1 12.46 6 0 2 4.1 8 2.54
2022 0 0 5.14 9 0 0 7 6 1.57
2023 7 2 3.30 58 0 5 57.1 77 1.20
9 Seasons 19 19 3.53 358 0 62 346.2 483 1.17
G W-L ERA IP SO WHIP
2020 6 0-1 12.46 4.1 8 2.54
2022 9 0-0 5.14 7 6 1.57
2023 58 7-2 3.30 57.1 77 1.20
9 Seasons 358 19-19 3.53 346.2 483 1.17
MLB Percentile Rankings
Pitch Distribution

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Statcast Statistics

Season Age Pitches Batted
Balls		 Barrels Barrel % Barrel/PA Exit
Velocity		 Max EV Launch
Angle		 Sweet
Spot %		 XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2015 28 408 63 10 15.9 10.9 89.4 107.3 18.7 34.9 .266 .577 .421 .387 .477 42.9 22.8 7.6 7.97 6.60
2016 29 800 111 4 3.6 2.2 88.2 109.8 13.8 30.6 .218 .315 .327 .287 .336 28.8 27.2 10.3 5.23 3.43
2017 30 965 122 14 11.5 6.1 87.2 109.6 21.8 37.7 .183 .381 .295 .272 .403 36.1 38.1 8.2 3.97 3.13
2018 31 1047 139 10 7.2 4.0 87.1 109.0 12.6 30.9 .182 .322 .236 .255 .356 39.7 36.0 6.8 2.14 2.70
2019 32 1021 122 5 4.1 2.1 86.9 109.5 11.0 30.3 .172 .262 .228 .226 .342 36.1 41.6 5.3 1.19 2.22
2020 33 101 13 1 7.7 4.0 86.2 108.0 14.9 38.5 .259 .430 .403 .348 .455 30.8 32.0 16.0 12.46 5.27
2022 35 137 22 4 18.2 12.1 90.1 109.8 22.9 22.7 .200 .473 .371 .336 .348 45.5 18.2 15.2 5.14 4.78
2023 36 1008 124 13 10.5 5.4 91.1 113.0 16.9 33.9 .198 .381 .284 .323 .406 39.5 32.0 14.9 3.30 4.41
Player 5487 716 61 8.5 4.7 88.2 113.0 15.8 32.7 .196 .355 .287 .283 .380 37.0 33.9 9.2
MLB 6.9 4.7 88.4 122.4 12.2 33.1 .245 .406 .316 .316 .369 36.3 22.1 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Yates relies on 3 pitches.
4-Seam Fastball
(53.5%) ,
Split Finger
(45.1%) ,
Slider
(1.4%) ,


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Pitch Tracking



Batted Ball Profile

Season GB % FB % LD % PU % Pull % Straight % Oppo % Weak % Topped % Under % Flare/Burner % Solid % Barrel % Barrel/PA
2015 30.2 36.5 22.2 11.1 46.0 28.6 25.4 3.2 23.8 27.0 22.2 7.9 15.9 10.9
2016 44.1 20.7 24.3 10.8 36.0 41.4 22.5 2.7 34.2 25.2 28.8 2.7 3.6 2.2
2017 29.5 39.3 21.3 9.8 32.8 36.9 30.3 6.6 18.0 38.5 19.7 4.9 11.5 6.1
2018 43.2 23.0 23.0 10.8 35.3 45.3 19.4 3.6 32.4 28.8 20.1 5.8 7.2 4.0
2019 48.4 27.9 18.0 5.7 40.2 33.6 26.2 3.3 32.8 23.8 28.7 5.7 4.1 2.1
2020 38.5 23.1 30.8 7.7 23.1 53.8 23.1 7.7 23.1 23.1 38.5 0.0 7.7 4.0
2022 36.4 45.5 9.1 9.1 31.8 31.8 36.4 0.0 31.8 36.4 4.5 9.1 18.2 12.1
2023 38.7 32.3 20.2 8.9 37.9 37.9 24.2 4.0 28.2 29.8 20.2 7.3 10.5 5.4
Player 39.7 29.7 21.2 9.4 36.9 38.3 24.9 3.9 28.6 29.2 22.9 5.6 8.5 4.7
MLB 44.7 23.4 24.9 7.0 37.0 37.6 25.3 3.9 32.8 24.7 24.4 5.8 6.9 4.7
! Note: All figures in this table cover the period 2015-present.

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
2023 4-Seamer ATL R 538 93.6 17.5 -1.4 -9 13.6 4.9 57
2023 Splitter ATL R 454 86.1 37.4 3.0 9 12.5 0.0 0
2023 Slider ATL R 14 77.5 46.9 1.1 2 13.6 1.7 14
2022 4-Seamer ATL R 69 93.4 17.3 -1.3 -8 13.4 4.5 51
2022 Splitter ATL R 67 86.6 35.8 3.6 11 13.0 0.6 5
2020 Splitter SD R 36 85.8 36.0 2.4 7 14.1 2.3 19
2020 4-Seamer SD R 65 93.6 16.3 -0.5 -3 13.3 5.3 67
2019 Splitter SD R 430 86.3 37.6 3.7 11 13.6 1.8 15
2019 4-Seamer SD R 582 93.5 17.3 -0.4 -2 14.2 5.5 62
2019 Slider SD R 9 85.2 35.7 -1.4 -4 2.1 -3.4 -62
2018 Splitter SD R 366 87.3 34.4 1.1 3 13.2 1.3 11
2018 Slider SD R 54 86.8 32.5 -2.3 -7 1.2 -5.6 -129
2018 4-Seamer SD R 589 93.9 16.4 -0.1 -1 13.5 5.1 61
2017 Slider SD R 257 86.0 34.0 -0.4 -1 3.1 -6.2 -197
2017 4-Seamer SD R 515 93.9 15.8 -0.2 -2 15.3 6.0 64
2017 Sinker SD R 85 93.4 21.8 -1.5 -7 20.6 5.1 33
2017 Splitter SD R 105 86.8 34.7 1.4 4 15.9 2.4 18
2016 4-Seamer NYY R 473 93.8 13.8 1.3 8 12.6 4.4 54
2016 Changeup NYY R 25 84.8 27.0 -3.1 -10 14.9 1.9 15
2016 Slider NYY R 250 85.0 33.5 -0.7 -2 3.3 -1.6 -32
2016 Curveball NYY R 37 78.3 53.9 1.4 3 13.9 3.3 31
2015 4-Seamer TB R 228 93.0 -- -- 12.3 4.2 52
2015 Curveball TB R 69 78.2 -- -- 14.5 3.9 36
2015 Slider TB R 75 85.1 -- -- 3.7 -1.8 -33
2015 Changeup TB R 36 84.1 -- -- 13.3 -0.4 -3
! 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 %
2023 4-Seamer 1.4 7 538 53.4 126 .167 .402 .319 27.2 34.1 27.0 .189 .460 .356 48.3
2023 Splitter 1.8 8 454 45.0 111 .158 .221 .246 34.5 29.7 22.0 .208 .300 .285 31.7
2023 Slider -2.4 0 14 1.4 2 .500 1.000 .625 0.0 50.0 25.0 .195 .262 .191 0.0
2022 4-Seamer -1.0 -1 69 50.4 17 .308 .846 .485 14.8 11.8 14.3 .219 .656 .406 50.0
2022 Splitter -1.0 -1 67 48.9 15 .154 .308 .320 44.8 26.7 23.5 .182 .309 .270 44.4
2022 Slider 9.9 0 1 0.7 1 .000 .000 .000 0.0 0.0 -- .209 .232 .197 0.0
2020 4-Seamer -0.2 0 65 64.4 15 .273 .273 .320 41.4 26.7 21.1 .242 .290 .312 12.5
2020 Splitter -8.8 -3 36 35.6 10 .444 .778 .610 41.2 40.0 30.8 .278 .600 .473 60.0
2019 4-Seamer 1.3 8 582 57.0 114 .216 .343 .294 34.4 43.9 28.2 .177 .307 .249 35.2
2019 Splitter 3.5 15 430 42.1 127 .153 .178 .200 34.4 40.2 30.0 .168 .224 .208 37.3
2019 Slider -11.6 -1 9 0.9 1 1.000 2.000 1.250 0.0 0.0 -- .047 .083 .042 0.0
2018 4-Seamer 2.0 12 589 56.3 118 .184 .330 .276 26.4 27.1 20.6 .210 .409 .309 50.7
2018 Splitter 2.2 8 366 35.0 116 .164 .227 .200 43.8 47.4 30.6 .162 .259 .203 28.6
2018 Slider 0.9 0 54 5.2 7 .429 .429 .386 43.5 0.0 0.0 .148 .176 .147 14.3
2017 4-Seamer 1.0 5 515 53.4 111 .220 .420 .308 29.3 27.9 20.1 .198 .444 .308 39.1
2017 Slider -1.6 -4 257 26.6 68 .297 .656 .405 40.0 35.3 30.0 .227 .466 .303 31.7
2017 Splitter 4.3 4 105 10.9 35 .029 .029 .046 55.4 80.0 40.0 .042 .066 .065 16.7
2017 Sinker -1.4 -1 85 8.8 14 .200 .200 .393 50.0 28.6 22.2 .251 .309 .374 50.0
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.
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Spin Direction

Year Pitch Type Pitches MPH Active Spin % Total Movement (In.) Spin-Based Observed Deviation
2023 4-Seam Fastball 533 93.6 97 19.2 1:45 1:30 15
2023 Splitter 447 86.1 95 13.6 2:45 3:15 -30
2023 Slider 14 77.5 59 15.1 8:15 8:30 -15
2022 4-Seam Fastball 69 93.4 94 19.3 1:45 1:30 15
2022 Splitter 67 86.6 96 13.9 2:45 3:15 -30
2020 4-Seam Fastball 64 93.6 99 19.8 1:30 1:30 0
2020 Splitter 34 85.8 97 14.7 2:30 3:00 -30
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! 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
2014 153 677 1 10 -5 -3 4
2015 92 408 -3 -5 -3 -1 -12
2016 183 796 5 5 -5 -5 -1
2017 228 962 4 7 -3 -3 4
2018 241 1,009 6 18 0 -4 20
2019 242 1,021 10 20 -4 -5 21
2020 25 101 0 -1 -1 -2 -3
2022 33 137 1 0 -1 -1 -1
2023 239 1,006 12 13 -4 -6 15
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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 408 47.8 66.7 83.1 26.8 63.2 42.6 65.2 45.8 23.0 6.9 85.7
2016 800 48.9 66.2 74.9 26.2 65.4 41.3 63.6 45.8 27.3 7.6 77.0
2017 965 50.4 70.9 70.6 31.7 47.0 43.5 63.3 51.5 36.4 7.6 79.5
2018 1,047 45.9 73.9 69.0 37.0 56.9 44.1 60.4 53.2 34.3 7.1 90.3
2019 1,021 47.3 70.4 70.0 31.0 54.5 46.2 61.6 49.7 34.3 6.3 78.1
2020 101 47.5 68.8 66.7 24.5 38.5 41.6 68.0 45.5 41.3 3.0 100.0
2022 137 43.8 63.3 86.8 24.7 36.8 38.7 54.5 41.6 29.8 2.2 66.7
2023 1,008 44.2 67.3 79.0 27.4 50.0 41.5 57.7 45.0 30.6 5.7 77.2
Player 5,487 47.2 69.5 73.4 30.3 54.3 43.2 61.4 48.7 32.3 6.6 81.2
MLB 48.6 67.0 82.0 28.5 58.0 42.6 60.9 47.1 24.8 7.3 76.1
! Note: All figures in this table cover the period 2015-present.

Percentile Rankings

Year xwOBA /
xERA 		xBA xSLG xISO xOBP Brl Brl% EV Hard
Hit% 		K% BB% Whiff% Chase
Rate 		FB
Velo 		FB
Spin 		CB
Spin 		Extension
2015 53 74 47 30
2016 65 82 20
2017 87 97 66 17 95 51 1 49 23 98 53 99 87 63 76 21
2018 95 96 88 61 98 72 35 81 14 97 74 94 100 66 74 15
2019 100 99 100 99 98 97 93 88 53 99 90 92 70 53 64 10
2020 54 56 19
2022 41 75 25
2023 40 93 62 25 27 62 12 6 46 95 2 80 31 41 70 19
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Expected Home Runs

Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2016 24.2 5 3.4 2 1 3 1 20.0
2017 23.7 12 10.1 2 7 4 6 50.0
2018 22.3 6 6.2 0 3 2 5 83.3
2019 22.5 2 4.4 -2 4 4 1 50.0
2020 -- 1 1.0 0 0 0 1 100.0
2022 23.8 2 3.0 -1 0 3 1 50.0
2023 23.9 9 9.9 -1 2 7 4 44.4
Player 23.5 37 38.0 -1 17 23 19 51.4

Expected Home Runs by Park

Year HR
2016 5 5 4 3 4 3 4 3 3 2 3 3 3 4 4 3 1 2 5 3 5 4 4 4 4 3 2 4 5 4 1
2017 12 10 10 11 11 10 10 10 9 8 9 14 11 10 9 10 10 9 9 9 11 10 11 10 12 10 9 12 12 10 6
2018 6 7 6 8 7 5 7 6 5 5 5 7 7 6 6 7 6 5 6 7 7 6 7 7 5 5 6 7 7 6 5
2019 2 6 3 5 4 4 4 5 4 3 3 4 8 4 4 5 4 4 4 5 4 4 5 6 5 4 3 6 7 3 3
2020 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2022 2 2 2 2 4 4 4 2 2 2 4 3 3 3 4 3 3 2 3 4 3 3 4 3 2 2 3 4 3 4 3
2023 9 9 7 11 10 11 11 9 9 7 10 10 11 8 11 12 11 10 10 10 8 10 13 11 10 8 10 10 11 10 8
Player 37 40 33 41 41 38 41 36 33 28 35 42 44 36 39 41 36 33 38 39 39 38 45 42 39 33 34 44 46 38 27
! Note: This tells how many of this player's home runs would have been out of other stadiums. This accounts for different wall heights, distances and 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 +/-   2022 +/-   2023 +/-  
Fastball Velocity 93.0 93.8 0.8 ↑ 93.8 0.0 93.9 0.1 ↑ 93.5 -0.4 ↓ -- 0.1 ↑ -- -- 93.4 -- 93.6 0.2 ↑
Offspeed Velocity 84.1 84.6 0.5 ↑ 86.8 2.2 ↑ 87.3 0.5 ↑ 86.3 -1.0 ↓ -- -0.5 ↓ -- -- 86.6 -- 86.1 -0.5 ↓
Breaking Velocity 81.8 84.1 2.3 ↑ 86.0 1.9 ↑ 86.8 0.8 ↑ 85.2 -1.6 ↓ -- 0.0 -- -- 84.2 -- 77.5 -6.7 ↓
Exit Velocity 89.4 88.2 -1.2 ↓ 87.2 -1.0 ↓ 87.1 -0.1 ↓ 86.9 -0.2 ↓ -- -0.7 ↓ -- -- 90.1 -- 91.1 1.0 ↑
Launch Angle 18.7 13.8 -4.9 ↓ 21.8 8.0 ↑ 12.6 -9.2 ↓ 11.0 -1.6 ↓ -- 3.9 ↑ -- -- 22.9 -- 16.9 -6.0 ↓
Barrel % 15.9 3.6 -12.3 ↓ 11.5 7.9 ↑ 7.2 -4.3 ↓ 4.1 -3.1 ↓ -- 3.6 ↑ -- -- 18.2 -- 10.5 -7.7 ↓
Hard Hit % 42.9 28.8 -14.1 ↓ 36.1 7.3 ↑ 39.7 3.6 ↑ 36.1 -3.6 ↓ -- -5.3 ↓ -- -- 45.5 -- 39.5 -6.0 ↓
Sweet Spot % 34.9 30.6 -4.3 ↓ 37.7 7.1 ↑ 30.9 -6.8 ↓ 30.3 -0.6 ↓ -- 8.2 ↑ -- -- 22.7 -- 33.9 11.2 ↑
xBA .266 .218 -0.048 ↓ .183 -0.035 ↓ .182 -0.001 ↓ .172 -0.010 ↓ -- 0.087 ↑ -- -- .200 -- .198 -0.002 ↓
BA .274 .258 -0.016 ↓ .211 -0.047 ↓ .181 -0.030 ↓ .186 0.005 ↑ -- 0.164 ↑ -- -- .222 -- .166 -0.056 ↓
xwOBA .387 .287 -0.100 ↓ .272 -0.015 ↓ .255 -0.017 ↓ .226 -0.029 ↓ -- 0.122 ↑ -- -- .336 -- .323 -0.013 ↓
wOBA .421 .327 -0.094 ↓ .295 -0.032 ↓ .236 -0.059 ↓ .228 -0.008 ↓ -- 0.175 ↑ -- -- .371 -- .284 -0.087 ↓
xSLG .577 .315 -0.262 ↓ .381 0.066 ↑ .322 -0.059 ↓ .262 -0.060 ↓ -- 0.168 ↑ -- -- .473 -- .381 -0.092 ↓
SLG .667 .396 -0.271 ↓ .416 0.020 ↑ .279 -0.137 ↓ .262 -0.017 ↓ -- 0.238 ↑ -- -- .556 -- .322 -0.234 ↓
K% 22.8 27.2 4.4 ↑ 38.1 10.9 ↑ 36.0 -2.1 ↓ 41.6 5.6 ↑ -- -9.6 ↓ -- -- 18.2 -- 32.0 13.8 ↑
BB% 7.6 10.3 2.7 ↑ 8.2 -2.1 ↓ 6.8 -1.4 ↓ 5.3 -1.5 ↓ -- 10.7 ↑ -- -- 15.2 -- 14.9 -0.3 ↓
Swing % 45.8 45.8 0.0 51.5 5.7 ↑ 53.2 1.7 ↑ 49.7 -3.5 ↓ -- -4.2 ↓ -- -- 41.6 -- 45.0 3.4 ↑
Whiff% 23.0 27.3 4.3 ↑ 36.4 9.1 ↑ 34.3 -2.1 ↓ 34.3 0.0 -- 7.0 ↑ -- -- 29.8 -- 30.6 0.8 ↑
In Zone % 47.8 48.9 1.1 ↑ 50.4 1.5 ↑ 45.9 -4.5 ↓ 47.3 1.4 ↑ -- 0.2 ↑ -- -- 43.8 -- 44.2 0.4 ↑
Out of Zone % 52.2 51.1 -1.1 ↓ 49.6 -1.5 ↓ 54.1 4.5 ↑ 52.7 -1.4 ↓ -- -0.2 ↓ -- -- 56.2 -- 55.8 -0.4 ↓
Out of Zone Swing % 26.8 26.2 -0.6 ↓ 31.7 5.5 ↑ 37.0 5.3 ↑ 31.0 -6.0 ↓ -- -6.5 ↓ -- -- 24.7 -- 27.4 2.7 ↑
First Pitch Swing % 26.1 27.7 1.6 ↑ 31.9 4.2 ↑ 34.0 2.1 ↑ 31.0 -3.0 ↓ -- 9.0 ↑ -- -- 21.2 -- 27.4 6.2 ↑
First Pitch Strike % 65.2 63.6 -1.6 ↓ 63.3 -0.3 ↓ 60.4 -2.9 ↓ 61.6 1.2 ↑ -- 6.4 ↑ -- -- 54.5 -- 57.7 3.2 ↑
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 179 .314 119 8 6.7 60 27 45.0
2017 Shifts 228 .296 131 5 3.8 97 33 34.0
2018 Shifts 241 .233 132 3 2.3 109 25 22.9
2019 Shifts 242 .228 111 12 10.8 131 53 40.5
2020 Shifts 25 .403 10 0 0.0 15 7 46.7
2022 Shifts 33 .371 21 7 33.3 12 6 50.0
2023 Shades 239 .282 126 40 31.7 113 50 44.2
! Note: Shifts are through the 2022 season, Shaded starting from the 2023 season, Shift: three or more infielders are on the same side of second base, Shade: positioned outside of their typical responsible slices of the field.
Learn more about how positioning is defined here

Pitch Tempo