Jerry Koosman

Position: 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)

Debut: April 14, 1967 (Age 24-112d, 12,558th in major league history)
vs. PHI 2.2 IP, 0 H, 2 SO, 2 BB, 0 ER

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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View Player Bio from the SABR BioProject

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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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Team Record in Appearances: 13-13 / in Starts: 12-12

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

Inning/Score Appearance Matrix

Multiple inning appearances: 25, Entered with runners on base: 0

1971 Pitching Game Log

Click two rows to sum games (Clear)

1971 Pitching Game Log
Rk	Gcar	Gtm	Date	Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
1	107	3	Apr 10	NYM		CIN	W,3-2	GS-10		99	10.0	5	2	1	1	7	1	0	0.90	2.65	36	11	12	1	1	5	82			1	0	0	35	1	0	0	0	0	1	1.20	0.430	1.55	0.33%	2.25	1t start tie	10t 3 out tie
2	108	7	Apr 17	NYM		PIT	L,0-2	GS-8	L(0-1)	6	8.0	5	2	2	2	4	1	0	1.50	3.17	29	11	7	0	2	5	66			0	0	0	26	1	0	0	2	0	0	.93	0.068	1.71	0.08%	1.40	1t start tie	8t 3 out d2
3	109	12	Apr 23	NYM	@	CHC	W,7-6	GS-3		5	2.1	5	2	2	2	2	0	0	2.21	3.19	13	4	0	0	0	5	39			2	0	0	11	1	0	0	0	0	0	.84	-0.186	1.33	-0.18%	-2.09	1b start tie	3b 123 1 out d2
4	110	16	Apr 27	NYM	@	STL	W,2-1	GS-9	W(1-1)	3	8.0	8	1	1	1	3	0	0	1.91	2.87	31	11	8	0	2	8	64			0	1	1	29	1	0	0	1	0	1	1.59	0.361	2.80	0.38%	2.24	1b start tie	9b 1-- 0 out a1
May				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
5	111	21	May 2	NYM	@	HOU	W,6-5	GS-6		4	6.0	6	2	1	3	2	0	0	1.83	2.95	26	8	7	0	0	6	53			1	0	0	23	1	0	1	1	0	0	1.08	0.016	1.84	0.02%	0.53	1b start tie	6b 3 out a2
6	112	26	May 9	NYM		STL	W,9-5	GS-7	W(2-1)	6	6.1	9	3	3	1	6	0	0	2.21	2.65	29	8	5	0	3	9	48			0	0	0	28	0	0	0	0	0	0	.48	0.100	1.16	0.15%	-1.50	1t start tie	7t 123 1 out a6
7	113	30	May 14	NYM	@	PIT	W,8-2	CG	W(3-1)	4	9.0	9	2	2	4	5	0	0	2.17	2.65	39	8	13	0	1	9	62			0	0	0	35	0	0	0	1	0	0	.62	0.189	1.71	0.32%	1.99	1b start a 2	9b 3 out a6
8	114	35	May 19	NYM	@	PHI	L,1-4	GS-7	L(3-2)	4	7.0	6	4	4	0	6	1	0	2.54	2.65	28	12	6	0	2	4	55			1	0	0	26	1	0	0	0	0	1	1.17	-0.203	2.38	-0.25%	-0.96	1b start tie	7b 3 out d3
9	115	40	May 25	NYM		PHI	W,5-4	GS-9		5	9.0	9	4	4	1	3	1	0	2.74	2.77	37	12	16	0	2	5	55			0	1	0	33	2	1	0	0	2	1	1.20	0.112	2.58	0.15%	-0.17	1t start tie	9t 3 out tie
10	116	45	May 31	NYM	@	SFG	L,1-2	GS-11	L(3-3)	5	10.0	5	2	2	5	3	1	0	2.62	3.02	39	10	16	0	0	5	72			0	0	0	33	1	0	0	1	0	0	1.59	0.418	3.14	0.49%	2.93	1b start a 1	11b 1-- 0 out tie
Jun				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
11	117	50	Jun 6	NYM	@	LAD	L,3-4	GS-4	L(3-4)	5	4.0	5	3	3	2	0	0	0	2.82	3.07	18	8	3	0	0	5	38			0	0	0	15	2	0	0	0	1	0	1.28	-0.249	2.65	-0.31%	-1.37	1b start tie	4b 3 out d1
12	118	59	Jun 16	NYM		LAD	W,7-2	7-8		9	1.1	4	1	1	1	0	0	0	2.89	3.09	8	2	1	0	0	4		0	0	0	0	0	7	1	0	0	1	0	0	.79	-0.024	1.42	-0.03%	-1.26	7t --- 0 out a4	8t 1-3 1 out a4
13	119	64	Jun 21	NYM	@	PIT	L,0-6	GS-7	L(3-5)	4	7.0	7	6	5	3	4	1	0	3.17	3.20	30	6	10	1	3	7	42			0	0	0	27	1	0	0	1	0	0	.59	-0.232	1.98	-0.47%	-2.90	1b start tie	7b 3 out d6
14	120	70	Jun 26	NYM	@	MON	W,2-1	CG	W(4-5)	4	9.0	3	1	1	3	0	0	1	2.97	3.26	32	14	11	2	2	3	74			0	1	0	27	1	0	0	1	1	0	1.38	0.586	3.02	0.77%	2.87	1b start tie	9b 3 out a1
Jul				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
15	121	75	Jul 1	NYM		PIT	L,0-3	GS-6	L(4-6)	4	5.1	8	2	1	5	2	0	0	2.90	3.32	29	3	11	2	1	8	43			1	0	0	23	3	0	2	1	1	1	1.51	-0.060	6.53	-0.16%	-0.28	1t start tie	6t 12- 1 out d2
16	122	81	Jul 6	NYM		MON	L,1-5	GS-1	L(4-7)	4	1.0	3	2	2	0	0	0	0	3.05	3.31	6	0	3	2	0	3	39			0	0	0	5	0	1	0	0	1	0	.78	-0.175	1.52	-0.21%	-1.58	1t start tie	1t 3 out d2
Aug				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
17	123	117	Aug 14	NYM	@	SFG	L,5-6	GS-6		38	6.0	5	4	0	2	3	0	0	2.88	3.27	26	10	6	0	0	5	55			2	0	0	24	3	0	0	0	0	1	1.52	-0.106	.22	-0.01%	-1.42	1b start tie	6b 3 out a1
18	124	122	Aug 20	NYM		SDP	L,2-3	GS-8	L(4-8)	5	7.2	6	3	2	4	3	0	0	2.85	3.26	32	6	13	0	1	6	56			0	0	0	26	1	1	1	1	0	0	1.51	-0.148	.13	-0.01%	0.11	1t start tie	8t -2- 2 out d2
19	125	127	Aug 25	NYM		SFG	W,5-1	CG	W(5-8)	4	9.0	3	1	1	2	8	1	0	2.71	3.23	32	9	10	0	0	3	83			1	0	0	30	1	0	0	0	0	0	.62	0.265	.03	0.01%	2.83	1t start tie	9t 3 out a4
20	126	131	Aug 30	NYM	@	STL	L,2-3	CG(8)	L(5-9)	4	8.0	9	3	2	1	5	0	0	2.69	3.13	33	8	11	0	4	8	58			3	0	0	32	0	0	0	0	0	0	1.25	-0.056	.14	0.00%	0.61	1b start tie	8b 3 out d1
Sept				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
21	127	136	Sep 4(1)	NYM	@	PHI	W,6-5	GS-6		4	5.0	8	4	4	1	4	1	0	2.85	3.16	24	5	7	1	2	7	38			0	0	0	23	3	0	0	0	0	0	1.16	-0.372	.04	-0.01%	-2.44	1b start tie	6b -2- 0 out a1
22	128	142	Sep 10	NYM		PHI	W,4-3	GS-9	W(6-9)	5	8.1	8	3	3	2	11	1	0	2.87	3.10	36	8	8	1	1	7	64			0	0	0	33	1	0	0	0	1	1	1.04	0.160	.00	0.00%	1.00	1t start tie	9t 12- 1 out a2
23	129	148	Sep 15(1)	NYM		CHC	L,2-6	GS-5	L(6-10)	4	4.0	10	5	5	1	5	2	0	3.09	3.21	23	7	6	3	1	4	26			0	0	0	22	2	0	0	1	0	1	.92	-0.263	.00	0.00%	-3.30	1t start tie	5t --- 0 out d5
24	130	153	Sep 19	NYM	@	PIT	W,5-2	GS-3		3	2.1	5	1	1	3	0	0	0	3.10	3.26	13	2	3	0	0	5	40			0	0	0	10	1	0	0	1	0	0	1.07	-0.039	.00	0.00%	-0.52	1b start a 4	3b 12- 1 out a3
25	131	157	Sep 24	NYM		PIT	L,2-3	GS-8	L(6-11)	4	8.0	6	3	3	1	8	1	0	3.12	3.22	31	13	3	0	0	6	65			0	0	0	30	2	0	0	0	0	0	1.02	-0.167	.00	0.00%	0.40	1t start tie	8t 3 out d1
26	132	161	Sep 28	NYM		STL	L,2-5	4-7		3	4.0	3	0	0	0	2	0	0	3.04	3.18	14	7	2	1	0	3		0	0	0	0	0	13	0	1	0	1	0	0	.18	0.039	.00	0.00%	1.70	4t --- 0 out d5	7t 3 out d3
							13-13		W-L:6-11	4.5	165.2	160	66	56	51	96	12	1	3.04	3.18	694	1.03		3%	7%	145	55	0	---%	12	3	1	626	31	4	4	14	7	8	1.09	0.464	1.54	1.07%	1.08

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