Ian Krol
P | Bats/Throws: L/L | 6' 1" 210LBS | Age: 32
Draft: 2009 | Rd: 7, #213, Oakland Athletics | Neuqua Valley HS
W L ERA G GS SV IP SO WHIP
2017 2 2 5.33 51 0 0 49 44 1.45
2018 0 0 0.00 1 0 0 2 2 1.00
2021 0 0 4.34 18 0 0 18.2 18 1.66
7 Seasons 8 6 4.49 243 0 1 208.2 196 1.49
G W-L ERA IP SO WHIP
2017 51 2-2 5.33 49 44 1.45
2018 1 0-0 0.00 2 2 1.00
2021 18 0-0 4.34 18.2 18 1.66
7 Seasons 243 8-6 4.49 208.2 196 1.49
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 24 537 84 2 2.4 1.6 88.3 111.9 14.1 29.8 .216 .332 .371 .303 .313 31.0 20.2 13.2 5.79 3.77
2016 25 890 145 9 6.2 4.1 88.4 113.8 4.0 26.2 .220 .338 .302 .268 .336 29.0 25.8 6.0 3.18 2.98
2017 26 862 145 8 5.5 3.7 87.2 110.9 13.7 36.6 .251 .410 .346 .328 .364 33.3 20.6 9.8 5.33 4.67
2018 27 31 5 0 0.0 0.0 87.2 98.7 6.1 0.0 .199 .241 .196 .257 .273 40.0 25.0 12.5 0.00 2.75
2021 30 349 60 3 5.0 3.5 86.6 107.8 9.7 30.0 .261 .377 .358 .315 .360 33.3 20.9 9.3 4.34 4.21
Player 2669 439 22 5.0 3.4 87.7 113.8 10.0 30.5 .234 .364 .336 .301 .344 31.5 22.3 9.2
MLB 6.9 4.7 88.4 122.4 12.2 33.1 .245 .406 .316 .315 .369 36.3 22.2 8.4
! Note: All figures in this table cover the period 2015-present.

Statcast Pitch Arsenal

Krol relies on 6 pitches.
Slider
(39.0%) ,
Four Seamer
(18.9%) ,
Sinker
(16.3%) ,
Changeup
(13.5%) ,
Curveball
(11.5%) ,
Cutter
(0.9%) ,


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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 46.4 16.7 25.0 11.9 32.1 36.9 31.0 2.4 33.3 25.0 27.4 7.1 2.4 1.6
2016 59.3 17.2 20.7 2.8 35.9 42.1 22.1 2.1 46.9 15.2 23.4 2.1 6.2 4.1
2017 44.8 20.7 28.3 6.2 33.8 39.3 26.9 6.9 30.3 26.2 24.8 3.4 5.5 3.7
2018 80.0 20.0 0.0 0.0 40.0 40.0 20.0 0.0 40.0 20.0 40.0 0.0 0.0 0.0
2021 46.7 28.3 23.3 1.7 31.7 36.7 31.7 5.0 36.7 23.3 30.0 0.0 5.0 3.5
Player 50.6 19.8 24.1 5.5 33.9 39.4 26.7 4.1 37.4 21.9 25.7 3.2 5.0 3.4
MLB 44.6 23.5 24.8 7.0 37.0 37.5 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
2021 Slider DET L 136 87.3 30.2 -3.2 -10 2.5 -1.4 -36
2021 Curveball DET L 40 78.0 59.5 4.7 9 9.3 0.3 3
2021 4-Seam Fastball DET L 66 93.7 14.6 0.6 4 8.8 1.4 19
2021 Changeup DET L 47 85.1 31.3 0.3 1 14.6 0.5 3
2021 Cutter DET L 3 87.0 28.5 0.0 0 3.5 -5.9 -243
2021 Sinker DET L 57 93.9 17.6 -4.5 -20 14.6 -0.4 -2
2018 Slider LAA L 13 87.3 32.0 -3.7 -10 0.0 -3.7 -101
2018 Changeup LAA L 7 86.4 28.4 -2.9 -9 15.1 1.6 12
2018 Sinker LAA L 9 92.3 19.2 -4.3 -18 13.0 -2.1 -14
2018 4-Seam Fastball LAA L 2 93.0 15.5 1.1 7 5.3 -2.7 -34
2017 Slider ATL L 330 87.9 29.7 -2.6 -8 2.7 -0.3 -10
2017 Sinker ATL L 154 93.2 18.5 -2.2 -11 15.4 -0.1 -1
2017 Changeup ATL L 8 85.1 28.1 -2.4 -8 13.0 -0.6 -4
2017 4-Seam Fastball ATL L 265 93.4 14.1 0.5 3 7.7 -0.8 -9
2017 Curveball ATL L 73 77.7 57.8 2.2 4 7.3 -1.1 -13
2016 Sinker ATL L 207 94.7 19.7 -0.8 -4 15.0 0.8 6
2016 Changeup ATL L 20 86.5 28.4 -2.3 -7 13.7 1.2 9
2016 4-Seam Fastball ATL L 346 94.5 15.6 -0.4 -3 9.7 1.8 24
2016 Curveball ATL L 28 78.9 57.1 2.3 4 6.8 -2.6 -27
2016 Slider ATL L 256 87.4 34.8 0.8 2 1.8 -2.6 -60
2015 Curveball DET L 48 77.8 54.5 -1.4 -3 7.5 -2.0 -21
2015 Changeup DET L 37 85.5 26.4 -4.2 -14 16.2 3.6 28
2015 Sinker DET L 86 94.7 17.5 -3.5 -17 16.5 2.2 16
2015 Slider DET L 120 88.8 28.2 -4.8 -15 1.1 -3.5 -76
2015 4-Seam Fastball DET L 239 94.0 13.8 1.8 11 10.9 3.1 40
! 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 -4.1 -6 136 39.0 43 .366 .585 .442 20.3 18.6 19.5 .314 .458 .350 42.4
2021 4-Seam Fastball -1.2 -1 66 18.9 8 .333 .333 .357 15.0 25.0 9.5 .129 .155 .211 20.0
2021 Sinker 1.5 1 57 16.3 13 .091 .091 .246 18.5 7.7 10.0 .213 .247 .282 20.0
2021 Changeup 1.4 1 47 13.5 14 .308 .615 .361 35.7 28.6 26.7 .221 .385 .254 20.0
2021 Curveball -0.7 0 40 11.5 8 .200 .200 .375 38.5 37.5 18.8 .199 .249 .383 50.0
2021 Cutter -1.6 0 3 0.9 -- -- -- 100.0 -- 0.0 -- -- -- --
2018 Slider 4.3 1 13 41.9 3 .000 .000 .233 50.0 66.7 66.7 -- -- .233 --
2018 Sinker -0.4 0 9 29.0 2 .500 .500 .450 0.0 0.0 0.0 .553 .667 .542 50.0
2018 Changeup 7.2 1 7 22.6 3 .000 .000 .000 0.0 0.0 0.0 .096 .118 .094 33.3
2018 4-Seam Fastball -1.4 0 2 6.5 -- -- -- -- -- -- -- -- -- --
2017 Slider 1.5 5 330 38.3 68 .197 .279 .260 38.7 30.9 23.9 .201 .304 .256 24.4
2017 4-Seam Fastball -1.7 -4 265 30.7 74 .313 .578 .433 14.6 14.9 15.1 .292 .499 .382 41.5
2017 Sinker -3.4 -5 154 17.9 44 .316 .421 .374 14.9 2.3 3.4 .320 .495 .395 35.1
2017 Curveball -0.4 0 74 8.6 19 .105 .316 .218 33.3 47.4 20.0 .162 .319 .199 20.0
2017 Changeup 0.7 0 8 0.9 1 .000 .000 .000 -- 100.0 50.0 -- -- .000 --
! 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
2021 Changeup 47 85.1 96 16.4 10:00 9:30 30
2021 Curveball 40 78.0 80 19.7 4:45 5:00 -15
2021 4-Seam Fastball 66 93.7 93 18.5 10:45 11:00 -15
2021 Sinker 57 93.9 94 19.8 11:00 10:15 45
2021 Slider 136 87.3 34 5.7 12:00 1:15 -75
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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
2013 116 474 2 -1 -2 -2 -4
2014 150 595 -2 -5 -5 -1 -13
2015 128 533 5 -5 -2 -1 -3
2016 214 880 2 9 -3 -3 5
2017 206 831 3 1 -4 -6 -5
2021 86 349 5 -4 -4 -2 -5
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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 537 50.5 63.1 80.1 30.8 67.1 43.0 55.8 47.1 21.7 7.8 81.0
2016 890 51.9 65.6 82.8 29.7 56.7 43.8 59.9 48.3 23.7 8.2 71.2
2017 862 43.7 70.0 82.3 30.6 58.0 39.2 60.7 47.3 25.5 6.4 81.1
2018 31 32.3 80.0 87.5 38.1 62.5 38.7 25.0 51.6 25.0 6.5 100.0
2021 349 48.1 70.2 81.4 27.6 64.0 42.1 54.7 48.1 23.8 6.3 77.3
Player 2,669 48.3 67.0 82.0 30.1 60.2 41.9 58.3 47.8 23.9 7.3 77.1
MLB 48.6 66.9 82.0 28.4 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 70 96 4
2016 89 81 84 81 88 76 44 55 87 81 79 56 62 74 96 4
2017 32 44 44 47 24 78 58 49 49 41 27 59 78 56 81 39 5
2021 55 77 5
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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 23.8 4 5.3 -1 3 5 1 25.0
2017 22.8 8 6.6 1 2 5 3 37.5
2021 23.3 2 2.0 0 0 0 2 100.0
Player 23.2 14 13.9 0 5 10 6 42.9

Expected Home Runs by Park

Year HR
2016 4 6 5 6 5 4 5 5 4 4 4 4 6 4 4 6 3 4 7 6 4 6 8 9 4 4 5 8 8 6 5
2017 8 5 6 5 8 8 9 5 6 6 7 8 6 6 6 7 7 5 6 7 6 7 8 6 5 6 7 9 7 9 5
2021 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Player 14 13 13 13 15 14 16 12 12 12 13 14 14 12 12 15 12 11 15 15 12 15 18 17 11 12 14 19 17 17 12
! 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 +/-  
Fastball Velocity 94.2 94.5 0.3 ↑ 93.3 -1.2 ↓ 92.4 -0.9 ↓
Offspeed Velocity 85.5 86.5 1.0 ↑ 85.1 -1.4 ↓ 86.4 1.3 ↑
Breaking Velocity 85.6 86.6 1.0 ↑ 86.0 -0.6 ↓ 87.3 1.3 ↑
Exit Velocity 88.3 88.4 0.1 ↑ 87.2 -1.2 ↓ 87.2 0.0
Launch Angle 14.1 4.0 -10.1 ↓ 13.7 9.7 ↑ 6.1 -7.6 ↓
Barrel % 2.4 6.2 3.8 ↑ 5.5 -0.7 ↓ 0.0 -5.5 ↓
Hard Hit % 31.0 29.0 -2.0 ↓ 33.3 4.3 ↑ 40.0 6.7 ↑
Sweet Spot % 29.8 26.2 -3.6 ↓ 36.6 10.4 ↑ 0.0 -36.6 ↓
xBA .216 .220 0.004 ↑ .251 0.031 ↑ .199 -0.052 ↓
BA .287 .271 -0.016 ↓ .266 -0.005 ↓ .143 -0.123 ↓
xwOBA .303 .268 -0.035 ↓ .328 0.060 ↑ .257 -0.071 ↓
wOBA .371 .302 -0.069 ↓ .346 0.044 ↑ .196 -0.150 ↓
xSLG .332 .338 0.006 ↑ .410 0.072 ↑ .241 -0.169 ↓
SLG .454 .377 -0.077 ↓ .452 0.075 ↑ .143 -0.309 ↓
K% 20.2 25.8 5.6 ↑ 20.6 -5.2 ↓ 25.0 4.4 ↑
BB% 13.2 6.0 -7.2 ↓ 9.8 3.8 ↑ 12.5 2.7 ↑
Swing % 47.1 48.3 1.2 ↑ 47.3 -1.0 ↓ 51.6 4.3 ↑
Whiff% 21.7 23.7 2.0 ↑ 25.5 1.8 ↑ 25.0 -0.5 ↓
In Zone % 50.5 51.9 1.4 ↑ 43.7 -8.2 ↓ 32.3 -11.4 ↓
Out of Zone % 49.5 48.1 -1.4 ↓ 56.3 8.2 ↑ 67.7 11.4 ↑
Out of Zone Swing % 30.8 29.7 -1.1 ↓ 30.6 0.9 ↑ 38.1 7.5 ↑
First Pitch Swing % 24.0 23.5 -0.5 ↓ 31.3 7.8 ↑ 25.0 -6.3 ↓
First Pitch Strike % 55.8 59.9 4.1 ↑ 60.7 0.8 ↑ 25.0 -35.7 ↓
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 207 .300 117 18 15.4 90 8 8.9
2017 Shifts 206 .327 119 6 5.0 87 27 31.0
2018 Shifts 8 .196 5 0 0.0 3 1 33.3
2021 Shifts 86 .358 60 8 13.3 26 18 69.2
! 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

Bases EmptyRunners On Base
SeasonTeamPitchesTempoFast %Slow %PitchesTempoFast %Slow %
2013 137 14.1 59.1% 0.0% 76 19.3 6.6% 0.0%
2014 150 16.1 38.7% 1.3% 148 21.3 6.1% 8.8%
2015 145 17.0 29.0% 4.1% 100 24.3 4.0% 22.0%
2016 204 18.6 16.7% 3.9% 181 22.4 12.7% 16.0%
2017 249 19.2 5.6% 1.2% 128 21.4 0.0% 8.6%
2018 9 18.9 0.0% 0.0% 4 22.8 0.0% 0.0%
2021 72 17.1 16.7% 2.8% 85 21.7 0.0% 4.7%
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Pitch Distribution

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