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

View Player Info from the B-R Bullpen

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: 17-18 / in Starts: 17-18

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

1973 Pitching Game Log

Click two rows to sum games (Clear)

1973 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	167	3	Apr 11	NYM	@	STL	W,5-4	GS-7	W(1-0)	99	7.0	7	3	2	2	4	0	0	2.57	2.28	28	9	6	1	0	7	55			0	1	0	26	2	1	0	2	0	1	1.27	0.099	2.26	0.11%	0.23	1b start a 2	7b 3 out a2
2	168	10	Apr 19(1)	NYM		CHC	W,3-1	CG	W(2-0)	7	9.0	5	1	0	2	3	0	0	1.13	2.44	34	8	18	5	4	3	76			1	1	0	32	1	0	0	0	0	1	1.40	0.485	2.52	0.52%	3.07	1t start tie	9t 3 out a2
3	169	16	Apr 25	NYM	@	HOU	W,5-2	CG	W(3-0)	5	9.0	6	2	2	2	3	1	0	1.44	3.01	35	9	15	0	4	6	68			0	0	0	32	3	1	0	0	1	0	.78	0.222	1.12	0.19%	2.11	1b start tie	9b 3 out a3
4	170	20	Apr 29	NYM	@	ATL	W,1-0	SHO	W(4-0)	3	9.0	4	0	0	1	4	0	0	1.06	2.74	30	12	9	0	3	4	82			0	0	0	29	0	0	0	2	0	0	1.35	0.837	2.28	0.85%	4.48	1b start tie	9b 3 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	171	23	May 4	NYM		HOU	L,5-9	GS-8		4	7.1	7	5	5	1	6	1	0	1.96	2.81	30	10	6	1	0	7	49			0	0	0	29	0	1	0	0	0	0	.98	0.064	1.56	0.06%	0.10	1t start tie	8t 123 1 out a3
6	172	28	May 9	NYM		ATL	W,8-1	CG	W(5-0)	4	9.0	5	1	1	3	6	0	1	1.79	2.76	34	13	6	0	1	5	76			1	0	0	30	2	0	0	2	0	0	.38	0.183	.53	0.16%	3.07	1t start tie	9t 3 out a7
7	173	32	May 15	NYM	@	CHC	L,3-4	GS-7	L(5-1)	5	7.0	7	4	3	3	3	1	0	2.04	3.02	30	9	8	1	2	7	49			0	1	0	27	2	0	1	0	0	1	.59	-0.134	1.57	-0.21%	-0.55	1b start tie	7b 3 out d2
8	174	36	May 22	NYM		STL	L,3-5	GS-7	L(5-2)	6	6.1	8	5	5	2	3	0	0	2.54	2.97	28	7	8	0	1	8	38			1	0	0	25	2	0	1	1	0	0	1.33	-0.134	2.50	-0.15%	-2.32	1t start tie	7t 1-- 1 out d5
9	175	40	May 27	NYM	@	LAD	L,1-2	GS-7	L(5-3)	4	7.0	6	2	2	8	4	1	0	2.55	3.34	34	8	9	0	1	5	53			0	0	0	24	1	0	1	1	1	0	.99	0.018	1.54	0.02%	1.09	1b start tie	7b 3 out d2
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
10	176	44	Jun 1	NYM	@	SDP	L,0-4	GS-7	L(5-4)	4	7.0	8	4	4	1	4	0	0	2.78	3.21	29	4	12	0	4	8	48			0	1	1	28	1	0	0	0	0	0	.41	-0.267	.52	-0.20%	-1.06	1b start tie	7b 3 out d4
11	177	48	Jun 5	NYM	@	CIN	L,5-6	GS-8		3	8.0	8	2	2	2	1	0	0	2.73	3.20	31	14	6	2	2	8	57			1	0	0	28	1	0	0	2	0	0	1.21	0.237	1.31	0.16%	1.50	1b start a 1	8b 3 out tie
12	178	51	Jun 10	NYM		LAD	L,0-4	GS-8	L(5-5)	4	8.0	8	2	2	2	4	1	0	2.69	3.26	34	5	15	1	5	8	60			1	0	0	30	1	1	1	0	1	0	.86	0.082	.85	0.05%	1.61	1t start tie	8t 3 out d2
13	179	56	Jun 16	NYM		SDP	W,10-2	CG	W(6-5)	5	9.0	5	2	2	2	9	0	0	2.63	3.08	33	8	9	1	2	5	76			0	0	0	30	1	0	0	1	0	1	.62	0.064	.58	0.04%	2.07	1t start tie	9t 3 out a8
14	180	61	Jun 21	NYM	@	PIT	L,1-2	GS-7		4	7.0	5	1	1	0	6	0	0	2.54	2.94	24	7	7	0	3	4	69			0	0	0	24	1	0	0	2	0	0	1.02	0.163	.84	0.08%	2.16	1b start tie	7b 3 out d1
15	181	66	Jun 26	NYM		CHC	L,1-5	GS-5	L(6-6)	4	5.0	7	5	4	2	4	0	1	2.75	2.93	26	6	10	1	5	3	37			1	0	0	22	1	0	0	0	0	1	.76	-0.252	.87	-0.17%	-2.74	1t start tie	5t 3 out d5
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
16	182	72	Jul 1(1)	NYM	@	CHC	W,6-5	GS-9	W(7-6)	4	8.0	9	5	5	2	6	1	0	2.93	2.97	33	8	15	5	1	2	48			0	0	0	31	2	0	0	1	0	0	1.21	-0.032	.98	-0.02%	-0.44	1b start a 1	9b 1-- 0 out a2
17	183	78	Jul 6	NYM		ATL	L,0-2	CG	L(7-7)	4	9.0	4	2	2	2	6	1	0	2.87	2.99	32	6	14	0	3	4	75			0	0	0	30	1	0	0	0	0	0	1.01	0.076	.35	0.02%	2.07	1t start tie	9t 3 out d2
18	184	83	Jul 11	NYM		HOU	L,1-7	GS-5	L(7-8)	4	5.0	9	6	5	0	2	1	0	3.10	3.04	24	6	7	1	1	9	29			0	1	0	22	0	0	0	0	1	1	.83	-0.375	.21	-0.06%	-3.74	1t start tie	5t 3 out d5
19	185	88	Jul 16	NYM	@	ATL	L,6-8	GS-7	L(7-9)	4	6.0	9	7	7	2	2	1	0	3.41	3.13	30	8	9	2	2	9	26			0	0	0	26	2	0	0	0	1	0	1.23	-0.432	.36	-0.08%	-2.85	1b start tie	7b 123 0 out a2
20	186	92	Jul 21	NYM	@	HOU	W,5-3	GS-9	W(8-9)	4	8.0	5	3	3	1	7	2	0	3.40	3.20	29	10	6	1	2	5	66			0	0	0	28	0	0	0	1	0	0	1.07	0.170	.44	0.04%	0.28	1b start tie	9b 1-- 0 out a2
21	187	95	Jul 26(2)	NYM	@	STL	L,1-2	GS-7	L(8-10)	4	7.0	3	1	1	2	6	0	1	3.31	3.15	27	8	7	0	1	3	71			0	0	0	24	1	0	0	1	0	1	.89	0.190	.54	0.07%	2.23	1b start tie	7b 3 out d1
22	188	101	Jul 31	NYM		PIT	L,1-4	GS-8	L(8-11)	4	8.0	10	3	3	1	2	0	0	3.31	3.12	31	10	8	0	1	10	51			0	1	1	28	2	0	0	3	0	0	.90	-0.016	.25	0.00%	0.61	1t start tie	8t 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
23	189	106	Aug 4	NYM		STL	L,3-4	CG	L(8-12)	3	9.0	9	4	4	1	3	0	0	3.35	3.07	36	14	10	1	3	8	55			0	0	0	33	2	0	0	0	1	1	1.21	-0.182	.83	-0.08%	0.07	1t start tie	9t 3 out d2
24	190	112	Aug 9	NYM	@	LAD	L,0-1	CG(8)	L(8-13)	4	8.0	10	1	1	0	1	0	0	3.25	3.04	31	13	7	0	2	10	59			0	0	1	30	0	1	0	1	0	0	1.45	0.169	.60	0.04%	2.53	1b start tie	8b 3 out d1
25	191	117	Aug 14	NYM	@	SDP	L,0-9	GS-5	L(8-14)	4	4.0	9	6	6	1	3	1	0	3.47	3.08	22	9	0	0	0	9	22			0	0	0	20	2	0	0	0	0	0	.91	-0.240	.37	-0.06%	-4.32	1b start tie	5b --- 0 out d6
26	192	121	Aug 19	NYM		CIN	W,2-1	CG	W(9-14)	4	9.0	6	1	0	2	7	0	0	3.31	3.02	35	12	9	0	2	5	78			1	0	0	33	2	0	0	1	0	1	1.55	0.531	1.04	0.21%	3.07	1t start tie	9t 3 out a1
27	193	126	Aug 24	NYM		SFG	W,1-0	SHO(10)	W(10-14)	4	10.0	7	0	0	5	5	0	0	3.15	3.02	38	8	13	2	4	7	78			0	2	1	30	1	0	1	0	0	0	1.68	0.780	.89	0.25%	4.52	1t start tie	10t 3 out tie
28	194	131	Aug 29	NYM		SDP	W,3-0	GS-7	W(11-14)	4	6.2	7	0	0	2	7	0	1	3.05	2.98	29	6	6	0	2	7	65			2	0	0	26	0	0	0	1	0	0	1.18	0.313	.56	0.09%	2.75	1t start tie	7t 12- 2 out a3
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
29	195	136	Sep 3(1)	NYM		PHI	W,5-0	SHO	W(12-14)	4	9.0	7	0	0	3	4	0	0	2.93	2.97	37	11	12	0	3	7	74			0	1	0	34	0	0	0	0	0	1	.65	0.287	.41	0.11%	4.07	1t start tie	9t 3 out a5
30	196	141	Sep 7(2)	NYM	@	MON	W,4-2	GS-6		3	6.0	4	1	1	4	3	0	0	2.89	2.98	25	10	4	0	1	4	59			0	0	0	20	2	0	1	1	0	0	.96	0.156	1.19	0.12%	1.85	1b start tie	6b 3 out d1
31	197	144	Sep 11	NYM	@	PHI	L,4-6	GS-7	L(12-15)	3	7.0	8	6	6	4	6	4	0	3.03	3.19	32	3	10	1	1	8	39			0	0	0	27	0	0	0	0	0	0	.96	-0.455	1.83	-0.52%	-2.71	1b start a 2	7b 3 out d2
32	198	149	Sep 16	NYM		CHC	W,4-3	GS-5		4	5.0	6	3	3	3	3	1	0	3.08	3.25	25	11	7	4	3	1	43			0	0	0	21	1	0	0	0	0	1	1.18	-0.077	2.19	-0.09%	-0.74	1t start tie	5t 3 out tie
33	199	153	Sep 20	NYM		PIT	W,4-3	GS-8		3	8.0	4	2	1	4	8	1	0	3.02	3.26	33	10	7	0	3	4	72			0	0	0	29	0	0	0	0	0	1	1.02	0.048	6.97	0.20%	1.61	1t start tie	8t 3 out d1
34	200	157	Sep 25	NYM		MON	W,2-1	GS-7	W(13-15)	4	6.2	6	1	0	2	4	0	0	2.94	3.24	27	9	6	1	0	6	62			1	1	0	25	1	0	0	1	0	1	1.31	0.176	13.88	1.12%	1.75	1t start tie	7t 12- 2 out a1
35	201	160	Sep 30(2)	NYM	@	CHC	W,9-2	CG	W(14-15)	4	9.0	6	2	0	2	7	0	0	2.84	3.18	35	10	16	3	3	0	76			0	0	0	32	0	0	0	1	0	1	.81	0.219	12.16	1.97%	2.44	1b start a 3	9b 3 out a7
							17-18		W-L:14-15	4.1	263.0	234	93	83	76	156	18	4	2.84	3.18	1071	0.98		5%	12%	206	58		---%	10	10	4	965	38	5	6	25	6	14	1.03	2.973	1.94	4.82%	29.85

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