What years did Tom O'Brien play?

Tom O'Brien played in Major League Baseball from 1897 to 1900.

Was Tom O'Brien a pitcher?

No. Tom O'Brien was a position player (Outfielder).

How many home runs did Tom O'Brien hit?

Tom O'Brien hit 10 career home runs with 437 hits.

Tom O'Brien

Outfielder · Career Stats, Bio & Records (1897-1900)

AVG .278

HR 10

RBI 229

H 437

OPS .707

PIV 357

Position: Outfielder
Height / Weight: 5'11" / 170 lb
Born: 2/20/1873 in Verona, PA, USA
Died: 2/3/1901 in Phoenix, AZ, USA
MLB Debut: 1897-05-10
Last Game: 1900-10-13

Full name: Thomas J. O'Brien

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Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
428	1,573	249	437	60	24	10	229	55	120	87	.278	.341	.366	.707	357

Career AVG .278 vs. league average .281 across their career seasons — near league average.

Career OBP .341 vs. league average .343 across their career seasons — near league average.

Career SLG .366 vs. league average .366 across their career seasons — near league average.

Career OPS .707 vs. league average .709 across their career seasons — near 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	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1897	BLN	NL	50	147	25	37	6	0	0	32	7	20	15	.252	.291 (-14%)	.354 (-1%)	.387 (-24%)	.741 (-13%)	-262.8
1898	BLN	NL	18	60	9	13	0	0	0	14	0	10	3	.217	.270 (-20%)	.333 (+1%)	.347 (-38%)	.680 (-19%)	-121.9
1898	PIT	NL	107	413	53	107	10	8	1	45	13	25	25	.259	.270 (-4%)	.333 (-5%)	.347 (-5%)	.680 (-5%)	-121.9
1899	NY1	NL	151	577	101	171	22	10	6	77	23	44	26	.296	.282 (+5%)	.343 (+2%)	.366 (+9%)	.710 (+6%)	598.9
1900	PIT	NL	102	376	61	109	22	6	3	61	12	21	18	.290	.279 (+4%)	.338 (+3%)	.366 (+10%)	.705 (+7%)	461.7
Career · 5 seasons			428	1,573	249	437	60	24	10	229	55	120	87	.278	—	—	—	—	554

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 (378 games) →

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

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	174	651	112	187	5	85	.287
Away	204	775	112	213	5	112	.275

Last 10 Games — Batting

Date	Tm	Opp	Res	AB	R	H	2B	RBI	SO
1900-10-13	PIT	CHC	L	3	0	0	0	0	1
1900-10-12	PIT	CHC	W	3	2	1	1	1	0
1900-10-11	PIT	CHC	W	4	0	0	0	0	0
1900-10-09	PIT	STL	L	4	0	1	0	0	0
1900-10-08	PIT	STL	W	5	1	2	0	1	0
1900-10-08	PIT	STL	W	4	1	1	0	0	0
1900-10-07	PIT	STL	W	3	0	2	0	2	1
1900-10-06	PIT	STL	L	4	0	1	1	1	0
1900-09-30	PIT	CIN	L	4	1	0	0	0	0
1900-09-29	PIT	CIN	L	4	0	1	0	0	0

Fielding Statistics

Career Fielding Totals by Position

Position	G	PO	A	E	DP
1B	112	1073	39	41	56
2B	12	26	30	5	4
3B	29	22	47	13	3
OF	262	495	46	42	17
SS	8	19	21	11	3

Season-by-Season Fielding

Year	Team	Pos	G	PO	A	E	DP
1897	BLN	1B	25	205	9	7	7
1897	BLN	OF	24	38	6	2	2
1898	BLN	OF	16	22	3	5	4
1898	PIT	1B	21	198	4	6	12
1898	PIT	2B	7	18	23	5	1
1898	PIT	3B	8	4	10	4	1
1898	PIT	OF	69	144	15	13	4
1898	PIT	SS	4	12	11	7	1
1899	NY1	1B	1	0	0	0	0
1899	NY1	2B	1	4	3	0	2
1899	NY1	3B	21	18	37	9	2
1899	NY1	OF	128	243	21	19	7
1899	NY1	SS	2	3	5	2	1
1900	PIT	1B	65	670	26	28	37
1900	PIT	2B	4	4	4	0	1
1900	PIT	OF	25	48	1	3	0
1900	PIT	SS	2	4	5	2	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
First Base	112
Second Base	12
Third Base	29
Shortstop	8
Left Field	169
Center Field	61
Right Field	32

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Tom O'Brien (highlighted) compared to peers across the same era.

Frequently Asked Questions about Tom O'Brien

What years did Tom O'Brien play?: Tom O'Brien played in Major League Baseball from 1897 to 1900.
Was Tom O'Brien a pitcher?: No. Tom O'Brien was a position player (Outfielder).
How many home runs did Tom O'Brien hit?: Tom O'Brien hit 10 career home runs with 437 hits.