Hisashi Iwakuma
P | Bats/Throws: R/R | 6' 3" 210LBS | Age: 43
W L ERA G GS SV IP SO WHIP
2015 9 5 3.54 20 20 0 129.2 111 1.06
2016 16 12 4.12 33 33 0 199 147 1.33
2017 0 2 4.35 6 6 0 31 16 1.26
6 Seasons 63 39 3.42 150 136 2 883.2 714 1.14
G W-L ERA IP SO WHIP
2015 20 9-5 3.54 129.2 111 1.06
2016 33 16-12 4.12 199 147 1.33
2017 6 0-2 4.35 31 16 1.26
6 Seasons 150 63-39 3.42 883.2 714 1.14
MLB Percentile Rankings
Movement Profile (Induced Break)
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Statcast Statistics

Season Age Pitches Batted
Balls		 Barrels Barrel % Barrel/PA Exit
Velocity		 Max EV Launch
Angle		 LA Sweet-
Spot %		 XBA XSLG WOBA XWOBA XWOBACON HardHit% K% BB% ERA xERA
2015 34 1868 383 21 5.5 4.1 88.5 117.7 8.8 30.8 .260 .411 .290 .309 .381 34.2 21.5 4.1 3.54 3.96
2016 35 2981 638 37 5.8 4.4 88.7 111.7 14.6 33.5 .275 .444 .331 .329 .378 33.9 17.6 5.5 4.12 4.61
2017 36 471 98 10 10.2 7.8 88.1 111.7 12.7 31.6 .267 .556 .341 .381 .398 41.7 12.5 9.4 4.36 6.61
Player 5320 1119 68 6.1 4.6 88.6 117.7 12.5 32.4 .269 .442 .318 .326 .381 34.6 18.5 5.3
MLB 7.0 4.8 88.5 122.4 12.3 33.2 .245 .405 .316 .315 .368 36.5 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Iwakuma relies on 5 pitches.
Cutter
(34.2%) ,
Four Seamer
(21.4%) ,
Split Finger
(19.4%) ,
Sinker
(18.3%) ,
Curveball
(6.6%) ,


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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 53.0 19.1 21.9 6.0 41.5 38.9 19.1 3.1 36.8 18.0 25.6 6.5 5.5 4.1
2016 42.2 22.6 26.0 9.2 38.1 36.1 25.5 3.3 29.8 27.1 26.2 4.9 5.8 4.4
2017 40.8 32.7 20.4 6.1 33.7 38.8 22.4 4.1 32.7 23.5 18.4 9.2 10.2 7.8
Player 45.8 22.3 24.1 7.9 38.9 37.3 23.1 3.3 32.4 23.7 25.3 5.8 6.1 4.6
MLB 44.4 23.8 24.7 7.1 37.2 37.5 25.2 3.9 32.6 24.8 24.4 5.9 7.0 4.8
! Note: All figures in this table cover the period 2015-present.

Pitch Movement

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How this works: This section shows two different ways to evaluate pitch movement. On the left, “Total Movement” shows the real-world movement of a pitch, including the forces of gravity, which affects every pitch thrown. Since gravity requires time, and slower pitches aren't 'better' just because they have more time to move, a pitch's movement is compared to other pitches of the same pitch type, within +/- 2 MPH and +/- 0.5 feet of extension/release. On the right, Induced Movement (or IVB) is reported without gravity, and attempts to isolate movement created by the pitcher's ability to spin and manipulate the ball.
Total Movement (in inches, w/ gravity)Induced Movement (in inches, w/o gravity)
YearPitchTeamHand#MPHVertical
Drop		vs.
Comparable		Horizontal
Break		vs.
Comparable		Vertical
Break		vs. AvgHorizontal
Break		vs. Avg
2017 4-Seam Fastball SEA R 97 85.6 22.5 -0.6 9.4ARM -0.9 15.1 -2.0 9.4ARM 1.3
2017 Cutter SEA R 155 79.6 38.5 0.0 3.1GLV -0.2 5.3 -4.0 3.1GLV 0.8
2017 Split-Finger SEA R 88 80.7 36.3 -1.3 11.6ARM 0.7 5.9 0.5 11.6ARM 0.4
2017 Sinker SEA R 83 85.1 30.4 4.4 16.3ARM 3.6 7.6 3.2 16.3ARM 0.9
2017 Curveball SEA R 30 69.1 64.7 -2.9 12.2GLV 0.1 -5.7 -2.3 12.2GLV 3.6
2016 Split-Finger SEA R 562 83.7 37.8 1.9 11.5ARM 0.6 1.9 3.0 11.5ARM 1.6
2016 Sinker SEA R 766 88.1 28.6 2.6 14.2ARM -0.1 7.4 2.2 14.2ARM 0.9
2016 4-Seam Fastball SEA R 546 88.9 21.8 -1.7 8.5ARM 0.6 13.6 -2.2 8.5ARM 2.1
2016 Cutter SEA R 247 86.1 27.9 2.2 0.6GLV -2.2 9.6 0.6 0.6GLV -3.4
2016 Curveball SEA R 266 71.5 62.6 -2.2 14.2GLV 1.2 -7.8 -2.2 14.2GLV 3.2
2016 Slider SEA R 541 81.8 37.4 -3.2 6.4GLV -0.1 4.2 -1.7 6.4GLV 0.3
! Note: Years are in reverse order.

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 Cutter 1.8 3 155 32.9 42 .167 .361 .311 18.1 7.1 7.1 .249 .553 .384 36.4
2017 4-Seam Fastball -0.1 0 97 20.6 27 .304 .565 .417 16.7 11.1 10.7 .331 .689 .463 40.0
2017 Split-Finger 3.4 3 88 18.7 27 .120 .280 .206 27.1 29.6 30.8 .243 .526 .347 41.2
2017 Sinker -1.9 -2 83 17.6 23 .318 .636 .454 8.1 4.3 10.0 .228 .391 .281 47.6
2017 Curveball -12.8 -4 30 6.4 7 .500 1.167 .693 30.0 14.3 10.0 .365 .794 .506 60.0
! Note: Years are in reverse order.
! Note: To better align with other values, positive numbers (red) are good, and negative numbers (blue) are poor.

Statcast Pitching Run Value

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2012 516 1,905 10 12 -7 -5 9
2013 862 3,085 25 20 -9 -6 30
2014 705 2,527 6 17 -6 -5 11
2015 515 1,861 2 14 0 -6 10
2016 833 2,969 11 9 -7 -7 6
2017 126 453 0 4 -2 -2 0
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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 1,868 49.7 65.5 86.2 36.0 58.3 44.7 68.2 50.6 23.2 6.9 71.1
2016 2,981 53.0 64.5 88.7 31.1 66.3 44.4 64.2 48.8 17.4 8.6 72.8
2017 471 46.4 66.7 84.3 28.4 72.5 45.0 61.7 45.6 19.1 6.6 80.0
Player 5,320 51.3 65.0 87.5 32.6 63.6 44.6 65.4 49.2 19.6 7.8 72.8
MLB 48.7 67.0 82.0 28.5 57.8 42.6 61.0 47.2 25.0 7.3 76.3
! 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 45 27 31 38 68 29 36 35 39 59 97 55 95 6 26 49 64
2016 29 12 24 35 41 8 54 44 55 24 87 7 76 6 24 27 56
2017 1 20 51
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Expected Home Runs

Adjusted
Year Team Avg HR Trot Actual HR xHR HR-xHR Doubters Mostly Gone No Doubters No Doubter %
2016 23.4 28 26.3 2 11 21 11 39.3
2017 22.9 7 6.7 0 10 6 2 28.6
Player 23.3 35 33.0 2 21 27 13 37.1
Note: xHR tells how many of this pitcher's home runs allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Expected Home Runs by Park

Adjusted
Year HR
2016 28 26 24 25 25 23 28 25 21 19 27 30 29 25 23 29 14 21 29 30 26 27 35 34 27 25 26 37 30 29 20
2017 7 6 8 8 8 6 8 6 2 5 5 10 7 7 5 6 5 5 8 4 9 8 8 7 8 5 7 12 10 6 3
Player 35 32 32 33 33 29 36 31 23 24 32 40 36 32 28 35 19 26 37 34 35 35 43 41 35 30 33 49 40 35 23
Note: xHR tells how many of this pitcher's home runs allowed would have been out of other stadiums. The "Adjusted" view here accounts for different wall heights, distances and environmental effects using Statcast Park Factor data.
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Year to Year Changes

Metric 2015 2016 +/-   2017 +/-  
Fastball Velocity 88.7 88.1 -0.6 ↓ 82.7 -5.4 ↓
Offspeed Velocity 84.0 83.7 -0.3 ↓ 80.7 -3.0 ↓
Breaking Velocity 78.9 78.4 -0.5 ↓ 69.1 -9.3 ↓
Exit Velocity 88.5 88.7 0.2 ↑ 88.1 -0.6 ↓
Launch Angle 8.8 14.6 5.8 ↑ 12.7 -1.9 ↓
Barrel % 5.5 5.8 0.3 ↑ 10.2 4.4 ↑
Hard Hit % 34.2 33.9 -0.3 ↓ 41.7 7.8 ↑
LA Sweet-Spot % 30.8 33.5 2.7 ↑ 31.6 -1.9 ↓
xBA .260 .275 0.015 ↑ .267 -0.008 ↓
BA .240 .282 0.042 ↑ .237 -0.045 ↓
xwOBA .309 .329 0.020 ↑ .381 0.052 ↑
wOBA .290 .331 0.041 ↑ .341 0.010 ↑
xSLG .411 .444 0.033 ↑ .556 0.112 ↑
SLG .402 .452 0.050 ↑ .482 0.030 ↑
K% 21.5 17.6 -3.9 ↓ 12.5 -5.1 ↓
BB% 4.1 5.5 1.4 ↑ 9.4 3.9 ↑
Swing % 50.6 48.8 -1.8 ↓ 45.6 -3.2 ↓
Whiff% 23.2 17.4 -5.8 ↓ 19.1 1.7 ↑
In Zone % 49.7 53.0 3.3 ↑ 46.4 -6.6 ↓
Out of Zone % 50.3 47.0 -3.3 ↓ 53.6 6.6 ↑
Out of Zone Swing % 36.0 31.1 -4.9 ↓ 28.4 -2.7 ↓
First Pitch Swing % 28.3 28.0 -0.3 ↓ 23.4 -4.6 ↓
First Pitch Strike % 68.2 64.2 -4.0 ↓ 61.7 -2.5 ↓
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 802 .327 432 50 11.6 370 224 60.5
2017 Shifts 128 .341 72 6 8.3 56 35 62.5
! 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

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2012 539 18.3 8.2% 1.1% 286 26.7 0.3% 24.5%
2013 999 18.4 7.2% 1.5% 388 27.5 0.3% 29.4%
2014 792 18.6 8.3% 2.3% 324 26.6 1.2% 26.2%
2015 612 18.6 17.0% 5.1% 229 28.6 1.7% 37.6%
2016 845 19.9 13.4% 7.0% 499 28.3 0.8% 37.7%
2017 178 20.7 3.9% 2.8% 43 28.0 0.0% 25.6%

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Pitch Distribution

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