What years did Tom Brennan play?

Tom Brennan played in Major League Baseball from 1981 to 1985.

Was Tom Brennan a pitcher?

Yes. Tom Brennan pitched in the major leagues, recording 9 wins and 102 strikeouts.

How many home runs did Tom Brennan hit?

Tom Brennan hit 0 career home runs with 1 hits.

What was Tom Brennan's career batting average?

Tom Brennan batted .125 over his career, with 1 hits in 8 at bats.

What was Tom Brennan's career ERA?

Tom Brennan finished with a 4.40 career ERA, going 9-10 with 102 strikeouts.

How many strikeouts did Tom Brennan have?

Tom Brennan recorded 102 career strikeouts.

Tom Brennan

Pitcher · Career Stats, Bio & Records (1981-1985)

Tom Brennan was a pitcher who played in Major League Baseball from 1981 to 1985 for the Cleveland Guardians, the Chicago White Sox, and the Los Angeles Dodgers, a span of 5 seasons. Across 64 career appearances, he went 9-10 with a 4.40 ERA and 102 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 1262.0.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated October 12, 2026

W–L 9–10

ERA 4.40

WHIP 1.37

SO 102

Pitcher PIV 1262.0

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'1" / 180 lb
Born: 10/30/1952 in Chicago, IL, USA
MLB Debut: 1981-09-05
Last Game: 1985-05-27

Full name: Thomas Martin Brennan

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Career Pitching Statistics

Tom Brennan — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
9	10	64	20	2	1	2	219.0	255	107	20	46	102	4.40	1262.0

Career ERA 4.40 vs. league average 3.82 across their career seasons — 15.1% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Tom Brennan — Season-by-Season Pitching
Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1981	CLE	AL	2	2	7	6	1	0	0	48.1	49	17	14	15	3.17	3.58 (+12%)	-736.9
1982	CLE	AL	4	2	30	4	0	0	2	92.2	112	44	10	46	4.27	3.86 (-11%)	1152.3
1983	CLE	AL	2	2	11	5	1	1	0	39.2	45	17	8	21	3.86	3.87 (avg)	512.2
1984	CHA	AL	0	1	4	1	0	0	0	6.2	8	3	3	3	4.05	—	0.0
1985	LAN	NL	1	3	12	4	0	0	0	31.2	41	26	11	17	7.39	3.89 (-90%)	334.4
Career · 5 seasons			9	10	64	20	2	1	2	219.0	255	107	46	102	4.40	—	1,262

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

Tom Brennan — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
64	8	0	1	0	0	0	0	0	0	1	.125	.125	.125	.250	0

Career AVG .125 vs. league average .259 across their career seasons — 51.8% below league average.

Career OBP .125 vs. league average .323 across their career seasons — 61.3% below league average.

Career SLG .125 vs. league average .386 across their career seasons — 67.6% below league average.

Career OPS .250 vs. league average .709 across their career seasons — 64.7% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Tom Brennan — Season-by-Season Batting
Year	Team	Lg	G	AB	H	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1981	CLE	AL	7	0	0	0	.000	—	—	—	—	0.0
1982	CLE	AL	30	0	0	0	.000	—	—	—	—	0.0
1983	CLE	AL	11	0	0	0	.000	—	—	—	—	0.0
1984	CHA	AL	4	0	0	0	.000	—	—	—	—	0.0
1985	LAN	NL	12	8	1	1	.125	—	—	—	—	0.0
Career · 5 seasons			64	8	1	1	.125	—	—	—	—	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 (128 games) →

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

Batting — Home / Away

Tom Brennan — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	36	4	0	1	0	0	.250
Away	28	4	0	0	0	0	.000

Pitching — Home / Away

Tom Brennan — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	36	138.1	148	63	27	64	4.10
Away	28	80.2	107	44	19	38	4.91

Last 10 Games — Batting

Tom Brennan — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	SO
1985-05-27	LAD	NYN	L	0	0
1985-05-20	LAD	WSN	L	0	0
1985-05-17	LAD	PHI	L	0	0
1985-05-14	LAD	CHC	L	0	0
1985-05-11	LAD	PIT	L	0	0
1985-05-07	LAD	CHC	L	2	0
1985-05-03	LAD	PIT	L	0	0
1985-04-27	LAD	SDP	L	2	0
1985-04-24	LAD	SFG	W	0	0
1985-04-20	LAD	SDP	L	2	1

Last 10 Games — Pitching

Tom Brennan — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1985-05-27	LAD	NYN	—	1.2	1	0	0	0	1	0
1985-05-20	LAD	WSN	—	0.1	1	1	1	1	0	0
1985-05-17	LAD	PHI	—	1.0	4	4	4	0	1	1
1985-05-14	LAD	CHC	—	0.2	2	2	2	0	1	0
1985-05-11	LAD	PIT	L	1.0	3	3	3	0	0	1
1985-05-07	LAD	CHC	L	5.2	11	4	4	3	2	0
1985-05-03	LAD	PIT	—	0.0	4	5	5	1	0	0
1985-04-27	LAD	SDP	L	7.0	5	4	4	4	4	0
1985-04-24	LAD	SFG	W	1.1	1	0	0	0	1	0
1985-04-20	LAD	SDP	—	4.2	7	2	2	2	2	0

Fielding Statistics

Career Fielding Totals by Position

Tom Brennan — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	64	20	21	43	2	5

Season-by-Season Fielding

Tom Brennan — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1981	CLE	P	7	6	5	12	1	2
1982	CLE	P	30	4	9	13	0	2
1983	CLE	P	11	5	4	4	1	0
1984	CHA	P	4	1	0	3	0	0
1985	LAN	P	12	4	3	11	0	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Tom Brennan — Career Games by Position
Position	Games
Pitcher	64

College History

Tom Brennan — College History
School Name	City	State	Years Attended
Lewis University	Romeoville	IL	1971, 1972, 1973, 1974

Tom Brennan: the record in brief

September 5, 1981 and May 27, 1985 bracket Tom Brennan's time in the majors: the debut and the last game on record. Club by club, the record runs the Cleveland Indians (1981 through 1983), the Chicago White Sox (1984), and the Los Angeles Dodgers (1985). Brennan played primarily as a pitcher and both batted and threw right-handed. Born on October 30, 1952, in Chicago, IL, USA, Brennan was listed at 180 pounds on a 6-foot-1 frame. The given name on file is Thomas Martin Brennan.

Brennan went 9-10 with a 4.40 ERA in 64 games, 20 of them starts. The totals include 102 strikeouts. Against a 3.82 league ERA for the same seasons, the 4.40 mark was 15.1% worse. Among the heaviest workloads, the lowest ERA was 4.27 in 1982, when the league's was 3.86. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Brennan's career adds up to 1,262.0.

Frequently Asked Questions about Tom Brennan

What years did Tom Brennan play?: Tom Brennan played in Major League Baseball from 1981 to 1985.
Was Tom Brennan a pitcher?: Yes. Tom Brennan pitched in the major leagues, recording 9 wins and 102 strikeouts.
How many home runs did Tom Brennan hit?: Tom Brennan hit 0 career home runs with 1 hits.
What was Tom Brennan's career batting average?: Tom Brennan batted .125 over his career, with 1 hits in 8 at bats.
What was Tom Brennan's career ERA?: Tom Brennan finished with a 4.40 career ERA, going 9-10 with 102 strikeouts.
How many strikeouts did Tom Brennan have?: Tom Brennan recorded 102 career strikeouts.