Sean O'Sullivan
P | Bats/Throws: R/R | 6' 1" 245LBS | Age: 36
Draft: 2005 | Rd: 3, #103, Los Angeles Angels | Valhalla HS, CA
W L ERA G GS SV IP SO WHIP
2014 0 1 6.39 3 2 0 12.2 7 1.34
2015 1 6 6.08 13 13 0 71 35 1.61
2016 2 0 6.75 5 4 0 21.1 13 1.69
7 Seasons 13 23 6.01 71 56 0 323.2 158 1.58
G W-L ERA IP SO WHIP
2014 3 0-1 6.39 12.2 7 1.34
2015 13 1-6 6.08 71 35 1.61
2016 5 2-0 6.75 21.1 13 1.69
7 Seasons 71 13-23 6.01 323.2 158 1.58
MLB Percentile Rankings
Pitch Distribution

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 27 1180 266 11 4.1 3.4 88.3 111.3 12.9 33.5 .289 .465 .395 .349 .369 33.5 10.7 6.1 6.08 5.17
2016 28 358 77 4 5.2 4.1 91.1 110.8 13.9 39.0 .330 .517 .376 .385 .419 44.2 13.3 6.1 6.75 6.66
Player 1538 343 15 4.4 3.5 89.0 111.3 13.1 34.7 .299 .477 .391 .358 .380 35.9 11.3 6.1
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

O'Sullivan relies on 5 pitches.
Slider
(29.1%) ,
Four Seamer
(28.8%) ,
Sinker
(26.8%) ,
Curveball
(11.5%) ,
Changeup
(3.9%) ,


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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 44.0 22.9 26.7 6.4 36.8 36.5 24.4 3.0 29.7 22.6 27.8 6.8 4.1 3.4
2016 39.0 26.0 28.6 6.5 40.3 37.7 22.1 0.0 28.6 23.4 33.8 3.9 5.2 4.1
Player 42.9 23.6 27.1 6.4 37.6 36.7 23.9 2.3 29.4 22.7 29.2 6.1 4.4 3.5
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


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 Sinker BOS R 96 90.1 24.4 0.0 0 10.9 -3.1 -22
2016 Curveball BOS R 40 73.7 68.0 5.1 8 12.7 0.2 2
2016 4-Seam Fastball BOS R 103 91.4 16.5 0.7 4 6.4 -0.4 -5
2016 Changeup BOS R 14 82.8 29.5 -4.1 -12 11.4 -1.2 -10
2016 Slider BOS R 104 81.8 41.8 1.3 3 10.0 3.6 57
2015 Slider PHI R 247 79.4 47.0 2.7 6 8.6 1.1 15
2015 Curveball PHI R 33 72.4 70.1 5.3 8 5.0 -6.8 -58
2015 Sinker PHI R 224 90.0 20.5 -3.9 -16 14.1 0.2 2
2015 Changeup PHI R 189 83.6 27.9 -3.8 -12 12.8 0.2 2
2015 4-Seam Fastball PHI R 426 90.1 16.8 0.8 4 9.1 2.5 37
! Note: Years are in reverse order.
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Swing/Take

Runs
Year Team PA Pitches Heart Shadow Chase Waste All
2009 225 905 -2 8 -8 -4 -5
2010 366 1,409 -4 18 -11 -6 -3
2011 271 944 -4 -5 -5 -3 -18
2013 117 428 1 -1 -2 -1 -3
2014 52 192 -2 1 0 0 -1
2015 322 1,167 1 -6 -5 -3 -13
2016 98 358 3 -4 -2 -1 -4
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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 1,180 49.8 65.9 91.0 26.7 67.7 43.3 62.7 46.2 14.7 7.6 74.4
2016 358 51.1 63.4 87.9 25.7 82.2 42.7 64.3 45.0 13.7 8.1 79.3
Player 1,538 50.1 65.3 90.3 26.5 70.9 43.1 63.1 45.9 14.4 7.7 75.6
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 8 3 6 14 8 59 75 43 45 1 72 4 21 16 14 88
2016 18 18 87
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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 25.2 3 4.8 -2 0 2 3 100.0
Player 25.2 3 4.8 -2 0 2 3 100.0

Expected Home Runs by Park

Year HR
2016 3 5 3 4 5 5 5 4 5 5 5 5 5 5 5 5 4 5 5 5 5 4 5 5 5 5 5 5 5 5 5
Player 3 5 3 4 5 5 5 4 5 5 5 5 5 5 5 5 4 5 5 5 5 4 5 5 5 5 5 5 5 5 5
! 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 90.1 90.7 0.6
Offspeed Velocity 83.7 82.8 -0.9
Breaking Velocity 78.7 79.5 0.8
Exit Velocity 88.3 91.1 2.8
Launch Angle 12.9 13.9 1.0
Barrel % 4.1 5.2 1.1
Hard Hit % 33.5 44.2 10.7
Sweet Spot % 33.5 39.0 5.5
xBA .289 .330 0.041
BA .322 .337 0.015
xwOBA .349 .385 0.036
wOBA .395 .376 -0.019
xSLG .465 .517 0.052
SLG .572 .483 -0.089
K% 10.7 13.3 2.6
BB% 6.1 6.1 0.0
Swing % 46.2 45.0 -1.2
Whiff% 14.7 13.7 -1.0
In Zone % 49.8 51.1 1.3
Out of Zone % 50.2 48.9 -1.3
Out of Zone Swing % 26.7 25.7 -1.0
First Pitch Swing % 32.4 26.5 -5.9
First Pitch Strike % 62.7 64.3 1.6
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Statcast Fielder Positioning

vs RHHvs LHH
YearAlignment TypePAwOBAPATotal%PATotal%
2016 Shifts 95 .374 51 3 5.9 44 19 43.2
! 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 %
2010 456 16.0 34.6% 0.4% 261 24.0 0.0% 13.0%
2011 218 14.5 57.8% 0.5% 168 21.1 0.6% 8.3%
2013 111 16.6 32.4% 1.8% 89 21.2 0.0% 6.7%
2014 52 16.3 28.8% 0.0% 29 22.8 0.0% 3.4%
2015 342 18.9 12.9% 5.8% 196 26.9 1.0% 33.2%
2016 104 18.3 22.1% 13.5% 56 26.6 7.1% 30.4%
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Pitch Distribution


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