What years did Jerry Koosman play?

Jerry Koosman played in Major League Baseball from 1967 to 1985.

Was Jerry Koosman a pitcher?

Yes. Jerry Koosman pitched in the major leagues, recording 222 wins and 2556 strikeouts.

How many home runs did Jerry Koosman hit?

Jerry Koosman hit 2 career home runs with 109 hits.

What teams did Jerry Koosman play for?

Jerry Koosman played for 4 teams: the New York Mets (1967–1978), the Minnesota Twins (1979–1981), the Chicago White Sox (1981–1983), and the Philadelphia Phillies (1984–1985).

Did Jerry Koosman win a Cy Young Award?

No. Jerry Koosman did not win the Cy Young Award.

What awards did Jerry Koosman win?

Jerry Koosman was selected to 2 All-Star Games.

What were Jerry Koosman's career stats?

In 612 games, Jerry Koosman went 222-209 with a 3.36 ERA, 2,556 strikeouts, 3,839.1 innings pitched, and 17 saves. At the plate he had 109 hits and 2 home runs.

What was Jerry Koosman's salary?

Jerry Koosman's recorded salary was $600,000 in 1985.

What position did Jerry Koosman play?

Jerry Koosman played primarily as a pitcher, the position where he appeared in the most games.

How tall was Jerry Koosman and how much did he weigh?

Jerry Koosman was listed at 6 feet 2 inches and 205 pounds.

What was Jerry Koosman's career ERA?

Jerry Koosman finished with a 3.36 career ERA, going 222-209 with 2,556 strikeouts.

How many strikeouts did Jerry Koosman have?

Jerry Koosman recorded 2,556 career strikeouts.

Is Jerry Koosman in the Hall of Fame?

No. Jerry Koosman has not been inducted into the National Baseball Hall of Fame.

Jerry Koosman

Pitcher · Career Stats, Bio & Records (1967-1985)

Jerry Koosman was a pitcher who played in Major League Baseball from 1967 to 1985 for 4 teams, including the New York Mets, a span of 19 seasons. Across 612 career appearances, he went 222-209 with a 3.36 ERA and 2,556 strikeouts. He also batted .119 with 2 home runs. Jerry Koosman was a 2-time All-Star. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 42938.7.

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 17, 2026

W–L 222–209

ERA 3.36

WHIP 1.26

SO 2,556

Pitcher PIV 42938.7

Position: Pitcher
Bats / Throws: R / L
Height / Weight: 6'2" / 205 lb
Born: 12/23/1942 in Appleton, MN, USA
MLB Debut: 1967-04-14
Last Game: 1985-08-21
Awards: 2× All-Star

Full name: Jerome Martin Koosman

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Career Pitching Statistics

Jerry Koosman — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
222	209	612	527	140	33	17	3839.1	3,635	1,433	290	1,198	2,556	3.36	42938.7

Career ERA 3.36 vs. league average 3.68 across their career seasons — 8.8% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Jerry Koosman Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1967	NYN	NL	0	2	9	3	0	0	0	22.1	22	15	19	11	6.04	3.30 (-83%)	-1423.2
1968	NYN	NL	19	12	35	34	17	7	0	263.2	221	61	69	178	2.08	2.98 (+30%)	1960.7
1969	NYN	NL	17	9	32	32	16	6	0	241.0	187	61	68	180	2.28	3.61 (+37%)	5985.9
1970	NYN	NL	12	7	30	29	5	1	0	212.0	189	74	71	118	3.14	3.89 (+19%)	-113.4
1971	NYN	NL	6	11	26	24	4	0	0	165.2	160	56	51	96	3.04	3.47 (+12%)	1255.8
1972	NYN	NL	11	12	34	24	4	1	1	163.0	155	75	52	147	4.14	3.26 (-27%)	2041.0
1973	NYN	NL	14	15	35	35	12	3	0	263.0	234	83	76	156	2.84	3.75 (+24%)	3911.6
1974	NYN	NL	15	11	35	35	13	0	0	265.0	258	99	85	188	3.36	3.63 (+7%)	4482.0
1975	NYN	NL	14	13	36	34	11	4	2	239.2	234	91	98	173	3.42	3.71 (+8%)	1634.0
1976	NYN	NL	21	10	34	32	17	3	0	247.1	205	74	66	200	2.69	3.51 (+23%)	4467.5
1977	NYN	NL	8	20	32	32	6	1	0	226.2	195	88	81	192	3.49	4.00 (+13%)	5068.5
1978	NYN	NL	3	15	38	32	3	0	2	235.1	221	98	84	160	3.75	3.69 (-2%)	2158.9
1979	MIN	AL	20	13	37	36	10	2	0	263.2	268	99	83	157	3.38	4.00 (+16%)	3790.5
1980	MIN	AL	16	13	38	34	8	0	2	243.1	252	109	69	149	4.03	3.84 (-5%)	763.9
1981	MIN	AL	3	9	19	13	2	1	5	94.1	98	44	34	55	4.20	3.58 (-17%)	-81.1
1981	CHA	AL	1	4	8	3	1	0	0	27.0	27	10	7	21	3.33	3.58 (+7%)	541.7
1982	CHA	AL	11	7	42	19	3	1	3	173.1	194	74	38	88	3.84	3.86 (+1%)	3565.3
1983	CHA	AL	11	7	37	24	2	1	2	169.2	176	90	53	90	4.77	3.87 (-23%)	-1360.7
1984	PHI	NL	14	15	36	34	3	1	0	224.0	232	81	60	137	3.25	3.81 (+15%)	5611.9
1985	PHI	NL	6	4	19	18	3	1	0	99.1	107	51	34	60	4.62	3.89 (-19%)	-1322.3
Career · 20 seasons			222	209	612	527	140	33	17	3,839.1	3,635	1,433	1,198	2,556	3.36	—	42,939

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

Jerry Koosman — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
612	915	36	109	12	1	2	46	1	33	418	.119	.151	.141	.292	-7,235

Career AVG .119 vs. league average .256 across their career seasons — 53.4% below league average.

Career OBP .151 vs. league average .322 across their career seasons — 53.0% below league average.

Career SLG .141 vs. league average .377 across their career seasons — 62.6% below league average.

Career OPS .292 vs. league average .699 across their career seasons — 58.2% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Jerry Koosman Stats, Bio & Career Records
Year	Team	Lg	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1967	NYN	NL	9	2	0	0	0	0	0	0	0	1	1	.000	—	—	—	—	0.0
1968	NYN	NL	35	91	3	7	1	0	1	4	0	3	62	.077	.236 (-68%)	.298 (-64%)	.340 (-64%)	.638 (-64%)	-840.6
1969	NYN	NL	32	84	1	4	0	0	0	1	0	1	46	.048	.248 (-81%)	.320 (-82%)	.369 (-87%)	.689 (-85%)	-1084.3
1970	NYN	NL	30	70	5	6	1	0	0	4	0	8	46	.086	.253 (-66%)	.325 (-45%)	.385 (-74%)	.711 (-61%)	-662.7
1971	NYN	NL	26	50	3	8	0	0	0	0	0	3	25	.160	.249 (-36%)	.316 (-30%)	.365 (-56%)	.682 (-44%)	-321.8
1972	NYN	NL	34	47	1	4	0	0	0	1	0	0	18	.085	—	—	—	—	0.0
1973	NYN	NL	35	78	3	8	1	0	0	3	0	2	37	.103	.256 (-60%)	.325 (-62%)	.378 (-70%)	.703 (-66%)	-801.3
1974	NYN	NL	35	86	5	16	2	1	0	5	0	7	29	.186	.256 (-28%)	.324 (-24%)	.369 (-37%)	.693 (-31%)	-407.8
1975	NYN	NL	36	78	4	14	2	0	0	6	1	4	31	.179	.257 (-30%)	.327 (-33%)	.374 (-45%)	.701 (-39%)	-478.5
1976	NYN	NL	34	79	5	17	2	0	0	6	0	2	34	.215	.255 (-16%)	.320 (-27%)	.360 (-33%)	.681 (-30%)	-364.8
1977	NYN	NL	32	72	2	8	0	0	1	7	0	0	30	.111	.264 (-58%)	.329 (-63%)	.401 (-62%)	.730 (-62%)	-733.7
1978	NYN	NL	38	70	1	6	3	0	0	2	0	0	27	.086	.257 (-67%)	.323 (-74%)	.378 (-66%)	.702 (-69%)	-762.2
1979	MIN	AL	37	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1980	MIN	AL	38	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1981	MIN	AL	19	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1981	CHA	AL	8	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1982	CHA	AL	42	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1983	CHA	AL	37	0	0	0	0	0	0	0	0	0	0	.000	—	—	—	—	0.0
1984	PHI	NL	36	74	2	8	0	0	0	3	0	1	23	.108	.259 (-58%)	.322 (-63%)	.384 (-72%)	.707 (-68%)	-777.4
1985	PHI	NL	19	34	1	3	0	0	0	4	0	1	9	.088	—	—	—	—	0.0
Career · 20 seasons			612	915	36	109	12	1	2	46	1	33	418	.119	—	—	—	—	-7,235

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.

Postseason Statistics

Playoff Career Batting

Jerry Koosman — Playoff Career Batting
G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
7	17	2	3	1	0	0	1	1	9	.176

Playoff Batting by Year

Jerry Koosman — Playoff Batting by Year
Year	Round	Team	G	AB	R	H	2B	RBI	BB	SO	AVG
1983	ALCS	CHA	1	0	0	0	0	0	0	0	.000
1973	NLCS	NYN	1	4	1	2	0	1	0	0	.500
1973	WS	NYN	2	4	0	0	0	0	0	3	.000
1969	NLCS	NYN	1	2	1	0	0	0	1	2	.000
1969	WS	NYN	2	7	0	1	1	0	0	4	.143

Playoff Career Pitching

Jerry Koosman — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
4	0	7	6	0	40.1	32	17	17	31	3.79

Playoff Pitching by Year

Jerry Koosman — Playoff Pitching by Year
Year	Round	Team	W	G	GS	IP	H	ER	BB	SO	ERA
1983	ALCS	CHA	0	1	0	0.1	1	2	2	0	54.00
1973	NLCS	NYN	1	1	1	9.0	8	2	0	9	2.00
1973	WS	NYN	1	2	2	8.2	9	3	7	8	3.12
1969	NLCS	NYN	0	1	1	4.2	7	6	4	5	11.57
1969	WS	NYN	2	2	2	17.2	7	4	4	9	2.04

Game Log & Splits

View full game log (1224 games) →

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

Batting — Home / Away

Jerry Koosman — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	300	418	17	45	2	21	.108
Away	312	497	19	64	0	25	.129

Pitching — Home / Away

Jerry Koosman — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	300	1937.0	1793	694	582	1361	3.22
Away	312	1902.1	1842	739	616	1195	3.50

Last 10 Games — Batting

Jerry Koosman — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	H	RBI	BB	SO
1985-08-21	PHI	LAD	L	0	0	0	0	0
1985-08-15	PHI	NYN	L	1	0	1	0	0
1985-08-10	PHI	STL	L	1	0	0	0	0
1985-08-03	PHI	STL	W	3	1	1	1	2
1985-07-28	PHI	ATL	W	3	0	0	0	0
1985-07-23	PHI	HOU	W	2	0	1	0	0
1985-07-18	PHI	CIN	W	4	0	0	0	1
1985-07-10	PHI	HOU	L	0	0	0	0	0
1985-07-05	PHI	CIN	W	2	0	0	0	0
1985-06-30	PHI	WSN	W	2	1	1	0	0

Last 10 Games — Pitching

Jerry Koosman — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1985-08-21	PHI	LAD	L	0.2	5	5	5	2	0	2
1985-08-15	PHI	NYN	—	1.2	5	6	6	3	1	3
1985-08-10	PHI	STL	L	5.0	3	5	2	2	1	0
1985-08-03	PHI	STL	—	7.1	6	3	3	3	3	0
1985-07-28	PHI	ATL	W	9.0	5	3	3	4	8	2
1985-07-23	PHI	HOU	W	5.1	10	5	5	1	3	2
1985-07-18	PHI	CIN	W	7.2	7	3	3	0	4	1
1985-07-10	PHI	HOU	L	0.0	3	5	5	2	0	0
1985-07-05	PHI	CIN	—	6.2	6	2	2	1	4	1
1985-06-30	PHI	WSN	—	7.0	5	2	2	2	4	1

Fielding Statistics

Career Fielding Totals by Position

Jerry Koosman — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	612	527	116	582	42	36

Season-by-Season Fielding

Jerry Koosman — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1967	NYN	P	9	3	0	5	0	1
1968	NYN	P	35	34	5	42	0	2
1969	NYN	P	32	32	4	37	1	3
1970	NYN	P	30	29	7	20	0	1
1971	NYN	P	26	24	6	23	1	2
1972	NYN	P	34	24	4	23	1	1
1973	NYN	P	35	35	5	41	2	1
1974	NYN	P	35	35	8	41	4	2
1975	NYN	P	36	34	10	32	3	3
1976	NYN	P	34	32	5	39	3	1
1977	NYN	P	32	32	4	25	4	0
1978	NYN	P	38	32	4	48	6	4
1979	MIN	P	37	36	10	50	5	6
1980	MIN	P	38	34	7	41	3	2
1981	MIN	P	19	13	5	15	1	0
1981	CHA	P	8	3	2	2	0	0
1982	CHA	P	42	19	12	24	1	3
1983	CHA	P	37	24	5	26	2	2
1984	PHI	P	36	34	9	34	4	1
1985	PHI	P	19	18	4	14	1	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Jerry Koosman Stats, Bio & Career Records
Position	Games
Pitcher	612

Awards & Honors

Jerry Koosman — Awards & Honors
Year	Award	Notes
1976	Pitcher of the Month	July
1973	Player of the Month	April
1973	Player of the Week	Week of 1973-04-27
1968	TSN Rookie Pitcher of the Year

Salary History

Jerry Koosman's recorded salaries total $600,000 over 1 season, in 1985. This total is partial: the salary data covers 1985 to 2016, and Koosman's career ran from 1967 to 1985. His seasons before 1985 are not included.

Jerry Koosman — Salary History
Year	Team	League	Salary
1985	PHI	NL	$600,000
Total recorded salary (partial)			$600,000

Award Voting History

Jerry Koosman — Award Voting History
Year	Award	League	Finish	Points Won	Points Max	Votes First
1979	Cy Young Award	AL	6th	5.0	140	0
1976	Cy Young Award	NL	2nd	69.0	120	7
1976	Most Valuable Player	NL	14th	20.0	336	0
1969	Most Valuable Player	NL	23th	6.0	336	0
1968	Most Valuable Player	NL	13th	14.0	280	0
1968	Rookie of the Year	NL	2nd	9.0	20	9

Most Similar Players

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

Career Spans

Jerry Koosman (highlighted) compared to peers across the same era.

Compare Jerry Koosman

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Translate Jerry Koosman's peak season across eras →

Jerry Koosman: the record in brief

The profile opens with Jerry Koosman's first major league game on April 14, 1967; the last one listed came on August 21, 1985. The season rows list, in order, the New York Mets (1967 to 1978), the Minnesota Twins (1979 to 1981), the Chicago White Sox (1981 through 1983), and the Philadelphia Phillies (1984 through 1985). Koosman played primarily as a pitcher and batted right-handed and threw left-handed. The bio adds a birth date on December 23, 1942, in Appleton, MN, USA and a listed size of 6-foot-2 and 205 pounds. Jerry Koosman was the playing name; the full given name is Jerome Martin.

Koosman went 222-209 with a 3.36 ERA in 612 games, 527 of them starts. The same table counts 2,556 strikeouts, 140 complete games, 33 shutouts, and 17 saves. Against a 3.68 league ERA for the same years, Koosman was 8.8% better. 1976 brought Koosman a season-high 21 wins.

Frequently Asked Questions about Jerry Koosman

What years did Jerry Koosman play?: Jerry Koosman played in Major League Baseball from 1967 to 1985.
Was Jerry Koosman a pitcher?: Yes. Jerry Koosman pitched in the major leagues, recording 222 wins and 2556 strikeouts.
How many home runs did Jerry Koosman hit?: Jerry Koosman hit 2 career home runs with 109 hits.
What teams did Jerry Koosman play for?: Jerry Koosman played for 4 teams: the New York Mets (1967–1978), the Minnesota Twins (1979–1981), the Chicago White Sox (1981–1983), and the Philadelphia Phillies (1984–1985).
Did Jerry Koosman win a Cy Young Award?: No. Jerry Koosman did not win the Cy Young Award.
What awards did Jerry Koosman win?: Jerry Koosman was selected to 2 All-Star Games.
What were Jerry Koosman's career stats?: In 612 games, Jerry Koosman went 222-209 with a 3.36 ERA, 2,556 strikeouts, 3,839.1 innings pitched, and 17 saves. At the plate he had 109 hits and 2 home runs.
How much did Jerry Koosman earn in his career?: Jerry Koosman's recorded salaries total $600,000 over 1 season, in 1985. This total is partial: the salary data covers 1985 to 2016, and Koosman's career ran from 1967 to 1985. His seasons before 1985 are not included.
What was Jerry Koosman's salary?: Jerry Koosman's recorded salary was $600,000 in 1985.
What position did Jerry Koosman play?: Jerry Koosman played primarily as a pitcher, the position where he appeared in the most games.
How tall was Jerry Koosman and how much did he weigh?: Jerry Koosman was listed at 6 feet 2 inches and 205 pounds.
What was Jerry Koosman's career ERA?: Jerry Koosman finished with a 3.36 career ERA, going 222-209 with 2,556 strikeouts.
How many strikeouts did Jerry Koosman have?: Jerry Koosman recorded 2,556 career strikeouts.
Is Jerry Koosman in the Hall of Fame?: No. Jerry Koosman has not been inducted into the National Baseball Hall of Fame.