What years did Sean O'Sullivan play?

Sean O'Sullivan played in Major League Baseball from 2009 to 2016.

Was Sean O'Sullivan a pitcher?

Yes. Sean O'Sullivan pitched in the major leagues, recording 13 wins and 158 strikeouts.

How many home runs did Sean O'Sullivan hit?

Sean O'Sullivan hit 0 career home runs with 4 hits.

Sean O'Sullivan

Pitcher · Career Stats, Bio & Records (2009-2016)

W–L 13–23

ERA 6.01

WHIP 1.58

SO 158

Pitcher PIV -13132.9

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'1" / 245 lb
Born: 9/1/1987 in San Diego, CA, USA
MLB Debut: 2009-06-16
Last Game: 2016-07-08

Full name: Sean Daniel O'Sullivan

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
13	23	71	56	0	0	0	323.7	398	216	59	115	158	6.01	-13132.9

Career ERA 6.01 vs. league average 4.01 across their career seasons — 49.6% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	W	L	G	GS	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2009	LAA	AL	4	2	12	10	51.7	60	34	16	29	5.92	4.32 (-37%)	-2143.1
2010	LAA	AL	1	0	5	1	13.0	7	3	4	6	2.08	4.08 (+49%)	0.2
2010	KCA	AL	3	6	14	13	70.7	83	48	27	37	6.11	4.08 (-50%)	-3032.0
2011	KCA	AL	2	6	12	10	58.3	78	47	26	19	7.25	3.94 (-84%)	-3062.7
2013	SDN	NL	0	2	7	3	25.0	31	11	14	12	3.96	3.87 (-2%)	-14.0
2014	PHI	NL	0	1	3	2	12.7	15	9	2	7	6.39	3.74 (-71%)	-582.3
2015	PHI	NL	1	6	13	13	71.0	94	48	20	35	6.08	3.96 (-54%)	-3930.5
2016	BOS	AL	2	0	5	4	21.3	30	16	6	13	6.75	4.19 (-61%)	-368.6
Career · 8 seasons			13	23	71	56	323.2	398	216	115	158	6.01	—	-13,133

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
71	33	3	4	2	0	0	0	0	1	17	.121	.147	.182	.329	0

Career AVG .121 vs. league average .256 across their career seasons — 52.6% below league average.

Career OBP .147 vs. league average .321 across their career seasons — 54.2% below league average.

Career SLG .182 vs. league average .403 across their career seasons — 54.9% below league average.

Career OPS .329 vs. league average .725 across their career seasons — 54.6% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	G	AB	R	H	2B	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2009	LAA	AL	12	3	1	1	0	0	1	.333	—	—	—	—	0.0
2010	LAA	AL	5	1	0	0	0	0	0	.000	—	—	—	—	0.0
2010	KCA	AL	14	0	0	0	0	0	0	.000	—	—	—	—	0.0
2011	KCA	AL	12	0	0	0	0	0	0	.000	—	—	—	—	0.0
2013	SDN	NL	7	6	0	1	1	0	4	.167	—	—	—	—	0.0
2014	PHI	NL	3	3	0	0	0	0	2	.000	—	—	—	—	0.0
2015	PHI	NL	13	20	2	2	1	1	10	.100	—	—	—	—	0.0
2016	BOS	AL	5	0	0	0	0	0	0	.000	—	—	—	—	0.0
Career · 8 seasons			71	33	3	4	2	1	17	.121	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (142 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	42	16	2	2	0	0	.125
Away	29	17	1	2	0	0	.118

Pitching — Home / Away

Split	G	IP	H	ER	BB	SO	ERA
Home	42	185.0	216	110	71	90	5.35
Away	29	138.2	182	106	44	68	6.88

Last 10 Games — Batting

Date	Tm	Opp	Res	AB	R	H	2B	SO
2016-07-08	BOS	TBR	W	0	0	0	0	0
2016-07-03	BOS	LAA	W	0	0	0	0	0
2016-05-15	BOS	HOU	W	0	0	0	0	0
2016-05-10	BOS	OAK	W	0	0	0	0	0
2016-05-07	BOS	NYY	L	0	0	0	0	0
2015-07-06	PHI	LAD	L	3	0	0	0	2
2015-06-29	PHI	MIL	L	2	1	1	1	1
2015-06-23	PHI	NYY	W	0	0	0	0	0
2015-06-18	PHI	BAL	W	0	0	0	0	0
2015-06-13	PHI	PIT	L	2	0	0	0	1

Last 10 Games — Pitching

Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2016-07-08	BOS	TBR	—	5.0	7	4	4	1	4	1
2016-07-03	BOS	LAA	W	5.0	4	2	2	3	2	0
2016-05-15	BOS	HOU	—	4.1	5	6	5	2	3	2
2016-05-10	BOS	OAK	W	6.0	12	4	4	0	3	0
2016-05-07	BOS	NYY	—	1.0	2	1	1	0	1	0
2015-07-06	PHI	LAD	—	5.1	8	7	6	2	3	2
2015-06-29	PHI	MIL	L	5.0	12	6	6	1	3	0
2015-06-23	PHI	NYY	—	4.1	10	6	6	0	2	4
2015-06-18	PHI	BAL	—	5.0	4	1	1	2	7	1
2015-06-13	PHI	PIT	L	6.0	8	4	4	4	1	0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	71	56	22	31	3	2

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
2009	LAA	P	12	10	4	3	0	0
2010	LAA	P	5	1	1	1	0	0
2010	KCA	P	14	13	7	6	1	1
2011	KCA	P	12	10	4	7	1	0
2013	SDN	P	7	3	0	4	0	0
2014	PHI	P	3	2	0	2	0	1
2015	PHI	P	13	13	6	6	0	0
2016	BOS	P	5	4	0	2	1	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
Pitcher	71

Salary History

Year	Team	League	Salary
2011	KCA	AL	$420,500
Total Career Earnings			$420,500

Frequently Asked Questions about Sean O'Sullivan

What years did Sean O'Sullivan play?: Sean O'Sullivan played in Major League Baseball from 2009 to 2016.
Was Sean O'Sullivan a pitcher?: Yes. Sean O'Sullivan pitched in the major leagues, recording 13 wins and 158 strikeouts.
How many home runs did Sean O'Sullivan hit?: Sean O'Sullivan hit 0 career home runs with 4 hits.