Jerome Williams
P | Bats/Throws: R/R | 6' 3" 260LBS | Age: 42
Draft: 1999 | Rd: C, #39, San Francisco Giants | Waipahu HS (Waipahu, Hawaii)
W L ERA G GS SV IP SO WHIP
2014 6 7 4.77 37 11 0 115 82 1.40
2015 4 12 5.80 33 21 1 121 74 1.61
2016 0 0 5.71 11 0 0 17.1 8 1.62
11 Seasons 52 66 4.59 236 149 2 1,029.2 655 1.39
G W-L ERA IP SO WHIP
2014 37 6-7 4.77 115 82 1.40
2015 33 4-12 5.80 121 74 1.61
2016 11 0-0 5.71 17.1 8 1.62
11 Seasons 236 52-66 4.59 1,029.2 655 1.39
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 33 1978 440 29 6.6 5.2 88.9 119.7 9.1 35.0 .307 .505 .370 .372 .410 37.0 13.4 6.1 5.80 6.00
2016 34 291 65 3 4.6 3.7 84.7 109.5 15.1 43.1 .292 .447 .387 .349 .354 24.6 9.9 7.4 5.71 5.28
Player 2269 505 32 6.3 5.0 88.4 119.7 9.8 36.0 .305 .497 .372 .369 .402 35.4 12.9 6.3
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

Williams relies on 6 pitches.
Sinker
(36.0%) ,
Cutter
(29.8%) ,
Changeup
(18.0%) ,
Four Seamer
(12.8%) ,
Slider
(2.8%) ,
Curveball
(0.7%) ,


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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 49.1 17.0 30.2 3.6 39.5 34.3 25.2 3.4 36.8 17.0 26.1 6.4 6.6 5.2
2016 38.5 20.0 35.4 6.2 41.5 33.8 24.6 4.6 29.2 27.7 27.7 4.6 4.6 3.7
Player 47.7 17.4 30.9 4.0 39.8 34.3 25.1 3.6 35.8 18.4 26.3 6.1 6.3 5.0
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
2016 Changeup STL R 52 84.4 33.3 1.7 5 13.8 1.2 10
2016 Slider STL R 8 80.3 46.0 2.6 6 5.7 -1.5 -20
2016 4-Seam Fastball STL R 37 90.4 20.5 -2.1 -11 10.0 2.3 29
2016 Cutter STL R 86 87.1 30.1 -1.7 -6 1.4 -0.8 -36
2016 Sinker STL R 103 90.3 27.8 4.2 18 15.7 1.5 11
2016 Curveball STL R 2 72.4 59.7 -3.8 -6 11.4 0.2 2
2015 Slider PHI R 75 79.8 48.6 4.5 10 5.2 -1.7 -25
2015 Cutter PHI R 494 87.8 29.3 -1.6 -6 0.7 -1.4 -65
2015 4-Seam Fastball PHI R 321 90.8 21.2 -3.6 -20 9.6 2.0 27
2015 Sinker PHI R 655 90.4 27.3 3.3 14 16.6 2.1 14
2015 Curveball PHI R 46 73.7 59.4 -2.0 -3 10.4 0.0 0
2015 Changeup PHI R 335 83.9 33.7 1.8 5 13.6 0.6 5
! Note: Years are in reverse order.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2011 184 675 0 4 -5 -5 -6
2012 571 2,027 -1 9 -11 -7 -10
2013 725 2,624 -5 9 -10 -13 -19
2014 495 1,821 -2 4 -9 -8 -15
2015 549 1,960 -8 4 -9 -9 -22
2016 80 289 -3 2 -6 -2 -9
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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 1,978 45.4 67.9 87.5 33.4 64.7 44.2 61.8 49.0 19.7 6.2 70.5
2016 291 43.0 76.0 86.3 27.1 62.2 43.3 61.7 48.1 21.4 7.6 63.6
Player 2,269 45.1 68.9 87.3 32.5 64.4 44.0 61.8 48.9 19.9 6.4 69.4
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 1 1 1 6 4 12 17 24 15 7 72 25 86 20 23 17
2016 16 13 10
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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 3.5 1 0 3 2 50.0
Player 23.8 4 3.5 1 0 3 2 50.0

Expected Home Runs by Park

Year HR
2016 4 5 3 3 3 3 3 4 3 2 3 3 4 2 4 4 2 3 4 4 5 4 5 5 3 4 3 3 5 4 3
Player 4 5 3 3 3 3 3 4 3 2 3 3 4 2 4 4 2 3 4 4 5 4 5 5 3 4 3 3 5 4 3
! 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 +/-  
Fastball Velocity 89.6 89.1 -0.5 ↓
Offspeed Velocity 83.9 84.4 0.5 ↑
Breaking Velocity 77.4 78.7 1.3 ↑
Exit Velocity 88.9 84.7 -4.2 ↓
Launch Angle 9.1 15.1 6.0 ↑
Barrel % 6.6 4.6 -2.0 ↓
Hard Hit % 37.0 24.6 -12.4 ↓
Sweet Spot % 35.0 43.1 8.1 ↑
xBA .307 .292 -0.015 ↓
BA .317 .306 -0.011 ↓
xwOBA .372 .349 -0.023 ↓
wOBA .370 .387 0.017 ↑
xSLG .505 .447 -0.058 ↓
SLG .500 .556 0.056 ↑
K% 13.4 9.9 -3.5 ↓
BB% 6.1 7.4 1.3 ↑
Swing % 49.0 48.1 -0.9 ↓
Whiff% 19.7 21.4 1.7 ↑
In Zone % 45.4 43.0 -2.4 ↓
Out of Zone % 54.6 57.0 2.4 ↑
Out of Zone Swing % 33.4 27.1 -6.3 ↓
First Pitch Swing % 31.3 32.1 0.8 ↑
First Pitch Strike % 61.8 61.7 -0.1 ↓
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 80 .387 51 0 0.0 29 6 20.7
! 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 %
2011 202 13.7 62.4% 0.0% 114 20.8 1.8% 10.5%
2012 589 14.1 63.7% 0.7% 300 21.7 2.7% 8.0%
2013 800 14.7 53.6% 1.5% 348 23.7 0.3% 14.9%
2014 534 15.0 50.6% 1.1% 264 22.6 0.8% 12.5%
2015 567 15.1 49.6% 1.4% 312 22.6 5.1% 15.7%
2016 66 14.6 53.0% 1.5% 66 21.8 9.1% 15.2%
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Pitch Distribution

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