Jerry Koosman

Position: Starting Pitcher

Bats: Right • Throws: Left

6-2, 205lb (188cm, 92kg)

Born: December 23, 1942 in Appleton, MN us

High School: West Central School of Agriculture (Morris, MN)

School: University of Minnesota Morris (Morris, MN)

Last Game: August 21, 1985 (Age 42-241d)
vs. LAD 0.2 IP, 5 H, 0 SO, 2 BB, 5 ER, L

Rookie Status: Exceeded rookie limits during 1968 season

Full Name: Jerome Martin Koosman

Nicknames: Kooz

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SUMMARY

Career

WAR

53.6

222

209

ERA

3.36

612

527

3839.1

2556

WHIP

1.259

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
1965	22		2 Teams	2 Lgs	A-AA	NYM	5	13	.278	4.61	5.82	29	16		3	1		119.0	112	77	61	6	67	1	139	9	1	11		1.504	8.5	0.5	5.1	10.5	2.07
1965	22	-0.7	Williamsport	EL	AA	NYM	0	2	.000	3.75	5.25	2	2		0	0		12.0	11	7	5	0	11	0	11	1	0	0		1.833	8.3	0.0	8.3	8.3	1.00
1965	22	1.3	Greenville	WCRS	A	NYM	5	11	.313	4.71	5.89	27	14		3	1		107.0	101	70	56	6	56	1	128	8	1	11		1.467	8.5	0.5	4.7	10.8	2.29
1966	23	1.9	Auburn	NYPL	A	NYM	12	7	.632	1.38	2.28	24	19		12	1		170.0	109	43	26	8	43	1	174	1	0	3		0.894	5.8	0.4	2.3	9.2	4.05
1966	23	2.2	Mets	FLIL	WRk	NYM	4	1	.800	3.27	4.09	10	7		0	0		44.0	31	20	16	1	13	0	40	3	0	2		1.000	6.3	0.2	2.7	8.2	3.08
1967	24	-1.8	Jacksonville	IL	AAA	NYM	11	10	.524	2.43	3.03	25	22		14	1		178.0	137	60	48	14	46	1	183	3	0	4		1.028	6.9	0.7	2.3	9.3	3.98
1967	24	-3.4	NYM	NL	Maj	NYM	0	2	.000	6.04	6.85	9	3	1	0	0	0	22.1	22	17	15	3	19	4	11	0	1	0	105	1.836	8.9	1.2	7.7	4.4	0.58
1967	24	2.9	Mets	FLIL	WRk	NYM	3	2	.600	1.64	2.13	9	7		1	0		55.0	36	13	10	1	15	0	49	0	0	3		0.927	5.9	0.2	2.5	8.0	3.27
1968	25	-2.4	NYM	NL	Maj	NYM	19	12	.613	2.08	2.46	35	34	0	17	7	0	263.2	221	72	61	16	69	7	178	8	0	8	1058	1.100	7.5	0.5	2.4	6.1	2.58
1969	26	-1.0	NYM	NL	Maj	NYM	17	9	.654	2.28	2.46	32	32	0	16	6	0	241.0	187	66	61	14	68	11	180	4	2	7	957	1.058	7.0	0.5	2.5	6.7	2.65
1970	27	-0.1	NYM	NL	Maj	NYM	12	7	.632	3.14	3.69	30	29	0	5	1	0	212.0	189	87	74	22	71	14	118	2	3	7	884	1.226	8.0	0.9	3.0	5.0	1.66
1971	28	0.6	NYM	NL	Maj	NYM	6	11	.353	3.04	3.59	26	24	0	4	0	0	165.2	160	66	56	12	51	4	96	1	0	7	694	1.274	8.7	0.7	2.8	5.2	1.88
1972	29	1.9	NYM	NL	Maj	NYM	11	12	.478	4.14	4.47	34	24	5	4	1	1	163.0	155	81	75	14	52	7	147	6	0	9	692	1.270	8.6	0.8	2.9	8.1	2.83
1973	30	2.7	NYM	NL	Maj	NYM	14	15	.483	2.84	3.18	35	35	0	12	3	0	263.0	234	93	83	18	76	6	156	4	0	3	1071	1.179	8.0	0.6	2.6	5.3	2.05
1974	31	3.8	NYM	NL	Maj	NYM	15	11	.577	3.36	3.84	35	35	0	13	0	0	265.0	258	113	99	16	85	7	188	7	1	8	1118	1.294	8.8	0.5	2.9	6.4	2.21
1975	32	4.9	NYM	NL	Maj	NYM	14	13	.519	3.42	3.98	36	34	2	11	4	2	239.2	234	106	91	19	98	6	173	4	7	7	1018	1.385	8.8	0.7	3.7	6.5	1.77
1976	33	5.6	NYM	NL	Maj	NYM	21	10	.677	2.69	2.95	34	32	0	17	3	0	247.1	205	81	74	19	66	7	200	1	1	3	994	1.096	7.5	0.7	2.4	7.3	3.03
1977	34	6.7	NYM	NL	Maj	NYM	8	20	.286	3.49	4.05	32	32	0	6	1	0	226.2	195	102	88	17	81	8	192	4	4	2	940	1.218	7.7	0.7	3.2	7.6	2.37
1978	35	7.0	NYM	NL	Maj	NYM	3	15	.167	3.75	4.21	38	32	6	3	0	2	235.1	221	110	98	17	84	11	160	8	1	5	986	1.296	8.5	0.7	3.2	6.1	1.90
1979	36	8.6	MIN	AL	Maj	MIN	20	13	.606	3.38	3.69	37	36	0	10	2	0	263.2	268	108	99	19	83	4	157	3	1	2	1101	1.331	9.1	0.6	2.8	5.4	1.89
1980	37	9.3	MIN	AL	Maj	MIN	16	13	.552	4.03	4.40	38	34	2	8	0	2	243.1	252	119	109	24	69	5	149	5	1	2	1022	1.319	9.3	0.9	2.6	5.5	2.16
1981	38		2 Teams	AL	Maj	CHW-MIN	4	13	.235	4.01	4.38	27	16	9	3	1	5	121.1	125	59	54	10	41	7	76	0	1	2	517	1.368	9.3	0.7	3.0	5.6	1.85
1981	38	10.1	MIN	AL	Maj	MIN	3	9	.250	4.20	4.67	19	13	5	2	1	5	94.1	98	49	44	8	34	7	55	0	1	1	404	1.399	9.3	0.8	3.2	5.2	1.62
1981	38	10.1	CHW	AL	Maj	CHW	1	4	.200	3.33	3.33	8	3	4	1	0	0	27.0	27	10	10	2	7	0	21	0	0	1	113	1.259	9.0	0.7	2.3	7.0	3.00
1982	39	10.8	CHW	AL	Maj	CHW	11	7	.611	3.84	4.21	42	19	12	3	1	3	173.1	194	81	74	9	38	3	88	2	2	4	726	1.338	10.1	0.5	2.0	4.6	2.32
1983	40	11.5	CHW	AL	Maj	CHW	11	7	.611	4.77	5.09	37	24	6	2	1	2	169.2	176	96	90	19	53	2	90	6	0	5	730	1.350	9.3	1.0	2.8	4.8	1.70
1984	41	12.9	PHI	NL	Maj	PHI	14	15	.483	3.25	3.82	36	34	0	3	1	0	224.0	232	95	81	8	60	5	137	3	2	6	950	1.304	9.3	0.3	2.4	5.5	2.28
1985	42	13.8	PHI	NL	Maj	PHI	6	4	.600	4.62	5.07	19	18	0	3	1	0	99.1	107	56	51	14	34	3	60	3	2	2	433	1.419	9.7	1.3	3.1	5.4	1.76
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (19 seasons)					Majors		222	209	.515	3.36	3.77	612	527	43	140	33	17	3839.1	3635	1608	1433	290	1198	121	2556	71	29	89	15996	1.259	8.5	0.7	2.8	6.0	2.13
Minors (3 seasons)					Minors		28	30	.483	2.60	3.47	78	57		29	3		467.0	358	180	135	28	156	3	496	13	1	18		1.101	6.9	0.5	3.0	9.6	3.18
Other (2 seasons)					Other		7	3	.700	2.36	3.00	19	14		1	0		99.0	67	33	26	2	28	0	89	3	0	5		0.960	6.1	0.2	2.5	8.1	3.18
All Levels (21 Seasons)							257	242	.515	3.26	3.72	709	598	43	170	36	17	4405.1	4060	1821	1594	320	1382	124	3141	87	30	112	15996	1.235	8.3	0.7	2.8	6.4	2.27

AAA (1 season)					Minors		11	10	.524	2.43	3.03	25	22		14	1		178.0	137	60	48	14	46	1	183	3	0	4		1.028	6.9	0.7	2.3	9.3	3.98
AA (1 season)					Minors		0	2	.000	3.75	5.25	2	2		0	0		12.0	11	7	5	0	11	0	11	1	0	0		1.833	8.3	0.0	8.3	8.3	1.00
A (2 seasons)					Minors		17	18	.486	2.66	3.67	51	33		15	2		277.0	210	113	82	14	99	2	302	9	1	14		1.116	6.8	0.5	3.2	9.8	3.05