What years did Dan O'Brien play?

Dan O'Brien played in Major League Baseball from 1978 to 1979.

Was Dan O'Brien a pitcher?

Yes. Dan O'Brien pitched in the major leagues, recording 1 wins and 17 strikeouts.

How many home runs did Dan O'Brien hit?

Dan O'Brien hit 0 career home runs.

Dan O'Brien

Pitcher · Career Stats, Bio & Records (1978-1979)

W–L 1–3

ERA 5.90

WHIP 1.86

SO 17

Pitcher PIV 396.1

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'4" / 215 lb
Born: 4/22/1954 in St. Petersburg, FL, USA
MLB Debut: 1978-09-04
Last Game: 1979-09-28

Full name: Daniel Joques O'Brien

📊 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
1	3	13	2	0	0	0	29.0	43	19	1	11	17	5.90	396.1

Career ERA 5.90 vs. league average 3.84 across their career seasons — 53.4% 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
1978	SLN	NL	0	2	7	2	18.0	22	9	8	12	4.50	3.69 (-22%)	21.0
1979	SLN	NL	1	1	6	0	11.0	21	10	3	5	8.18	4.00 (-104%)	375.1
Career · 2 seasons			1	3	13	2	29.0	43	19	11	17	5.90	—	396

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
13	5	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0

Career AVG .000 vs. league average .262 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .327 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .388 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .715 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	G	AB	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1978	SLN	NL	7	3	.000	—	—	—	—	0.0
1979	SLN	NL	6	2	.000	—	—	—	—	0.0
Career · 2 seasons			13	5	.000	—	—	—	—	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 (26 games) →

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

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	8	2	0	0	0	0	.000
Away	5	3	0	0	0	0	.000

Pitching — Home / Away

Split	G	IP	H	ER	BB	SO	ERA
Home	8	14.0	27	14	6	10	9.00
Away	5	15.0	16	5	5	7	3.00

Last 10 Games — Batting

Date	Tm	Opp	Res	AB
1979-09-28	STL	NYN	L	1
1979-09-26	STL	PHI	L	1
1979-09-18	STL	PHI	L	0
1979-09-08	STL	WSN	L	0
1979-08-31	STL	SDP	W	0
1979-08-11	STL	CHC	L	0
1978-10-01	STL	WSN	L	0
1978-09-29	STL	WSN	L	0
1978-09-26	STL	NYN	L	0
1978-09-20	STL	NYN	L	1

Last 10 Games — Pitching

Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1979-09-28	STL	NYN	—	3.0	5	2	2	0	1	0
1979-09-26	STL	PHI	—	3.1	5	3	3	3	0	0
1979-09-18	STL	PHI	L	1.0	3	2	2	0	1	0
1979-09-08	STL	WSN	—	1.0	1	0	0	0	1	0
1979-08-31	STL	SDP	W	2.0	3	0	0	0	2	0
1979-08-11	STL	CHC	—	0.2	4	3	3	0	0	0
1978-10-01	STL	WSN	L	0.1	2	4	1	2	0	0
1978-09-29	STL	WSN	—	2.0	1	0	0	0	2	0
1978-09-26	STL	NYN	—	1.0	0	0	0	0	2	0
1978-09-20	STL	NYN	—	5.0	6	3	3	3	4	1

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	13	2	0	2	0	0

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1978	SLN	P	7	2	0	2	0	0
1979	SLN	P	6	0	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
Pitcher	13

College History

School Name	City	State	Years Attended
Florida State University	Tallahassee	FL	1973, 1974, 1975

Frequently Asked Questions about Dan O'Brien

What years did Dan O'Brien play?: Dan O'Brien played in Major League Baseball from 1978 to 1979.
Was Dan O'Brien a pitcher?: Yes. Dan O'Brien pitched in the major leagues, recording 1 wins and 17 strikeouts.
How many home runs did Dan O'Brien hit?: Dan O'Brien hit 0 career home runs.