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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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: 22-15 / in Starts: 22-14

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

1979 Pitching Game Log

Click two rows to sum games (Clear)

1979 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	377	4	Apr 10	MIN	@	CAL	W,8-1	GS-8	W(1-0)	99	7.2	8	1	1	4	5	0	0	1.17	2.99	35	6	12	1	0	8	60			0	0	0	31	0	0	0	0	0	0	.96	0.349	1.66	0.36%	2.42	1b start tie	8b -23 2 out a4
2	378	9	Apr 15	MIN	@	SEA	W,18-6	CG	W(2-0)	4	9.0	12	6	6	1	5	3	0	3.78	4.77	38	14	6	0	0	12	43			0	1	0	37	1	0	0	2	0	1	.62	-0.078	1.14	-0.09%	-1.19	1b start a 3	9b 3 out a12
3	379	13	Apr 21	MIN		SEA	W,6-5	GS-7	W(3-0)	5	6.2	10	5	4	2	5	0	0	4.24	4.02	31	11	4	0	0	9	39			0	0	0	28	1	0	0	1	1	1	1.11	-0.127	1.59	-0.11%	-1.64	1t start tie	7t 12- 2 out a1
4	380	17	Apr 27	MIN	@	DET	W,5-3	GS-9	W(4-0)	5	8.0	7	3	3	2	8	2	0	4.02	4.20	30	8	5	2	0	7	62			0	1	1	28	0	0	0	2	0	0	.91	0.218	1.49	0.22%	1.32	1b start tie	9b --- 0 out a2
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	381	21	May 1	MIN	@	TOR	W,3-2	GS-7	W(5-0)	3	6.0	9	2	2	2	5	0	1	3.86	3.94	29	4	8	3	0	9	49			0	1	1	25	1	0	0	0	0	0	1.49	0.065	2.62	0.07%	0.76	1b start tie	7b 1-- 0 out a1
6	382	26	May 6	MIN		DET	W,9-6	GS-8		4	7.1	9	6	5	2	5	1	0	4.23	3.94	32	12	4	2	0	9	41			0	0	0	29	3	0	0	1	0	1	1.05	-0.226	2.15	-0.28%	-2.35	1t start tie	8t -2- 1 out tie
7	383	30	May 12	MIN		CLE	W,4-0	GS-8	W(6-0)	5	7.2	4	0	0	6	5	0	0	3.61	3.92	32	11	6	2	0	4	70			0	0	0	26	0	0	0	1	0	1	1.23	0.417	2.84	0.58%	4.12	1t start tie	8t 1-- 2 out a4
8	384	35	May 17	MIN	@	KCR	W,7-6	GS-9	W(7-0)	4	8.0	8	5	3	3	4	0	1	3.58	3.83	34	8	10	0	4	8	51			2	1	1	29	1	0	0	1	1	0	.66	0.140	1.70	0.22%	-0.65	1b start a 4	9b --3 0 out a3
9	385	39	May 22	MIN	@	TEX	L,3-4	GS-8	L(7-1)	4	7.1	8	4	4	1	3	1	0	3.72	3.86	30	9	9	0	0	8	48			2	0	0	27	2	0	0	1	0	0	1.19	-0.163	3.36	-0.28%	-0.16	1b start a 1	8b --- 1 out d1
10	386	43	May 27	MIN		KCR	L,1-2	CG	L(7-2)	4	9.0	7	2	2	1	6	1	0	3.52	3.78	33	15	5	2	0	6	70			0	0	0	32	2	0	0	2	0	0	1.06	0.157	2.64	0.23%	2.91	1t start tie	9t 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
11	387	47	Jun 1	MIN		BOS	L,2-5	CG	L(7-3)	4	9.0	4	5	5	6	4	1	0	3.68	3.93	36	12	10	1	1	4	57			0	1	0	29	1	0	0	0	0	0	.58	-0.194	1.05	-0.21%	-0.09	1t start tie	9t 3 out d3
12	388	52	Jun 6	MIN	@	NYY	L,2-3	GS-9	L(7-4)	4	8.1	7	3	3	3	5	0	0	3.64	3.82	34	9	10	2	0	7	59			0	0	0	30	2	0	1	1	0	0	1.19	0.060	2.04	0.06%	1.71	1b start a 1	9b 12- 1 out tie
13	389	57	Jun 12	MIN		NYY	L,1-4	GS-9	L(7-5)	5	8.2	9	4	4	3	1	0	0	3.68	3.79	37	13	11	3	0	9	48			0	1	0	34	2	2	1	0	0	1	1.40	-0.016	2.25	-0.02%	1.53	1t start tie	9t --3 2 out d2
14	390	61	Jun 17	MIN		BAL	L,5-8	GS-4	L(7-6)	4	3.2	7	6	6	1	1	1	0	4.06	3.89	19	5	5	0	0	7	23			0	0	0	18	2	0	0	0	0	0	1.07	-0.445	1.53	-0.38%	-4.16	1t start tie	4t -2- 2 out d2
15	391	62	Jun 19	MIN	@	MIL	L,9-10	3-4		1	1.1	1	0	0	0	0	0	0	4.01	3.87	4	1	2	0	0	1		2	0	0	0	0	4	0	0	0	1	0	0	1.74	0.135	2.34	0.11%	1.14	3b -23 2 out a1	4b 3 out a2
16	392	68	Jun 24(2)	MIN	@	CHW	W,7-1	GS-8	W(8-6)	4	8.0	7	1	1	3	7	0	0	3.81	3.75	33	6	10	1	0	7	68			1	0	0	30	2	1	0	1	0	0	.91	0.361	1.54	0.37%	3.20	1b start a 1	8b 3 out a6
17	393	72	Jun 29	MIN		CHW	W,5-2	CG	W(9-6)	4	9.0	7	2	2	4	6	1	0	3.68	3.78	35	12	6	1	0	7	67			0	0	0	31	1	1	0	3	0	0	.73	0.282	1.15	0.27%	2.91	1t start tie	9t 3 out a3
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
18	394	78	Jul 4	MIN		SEA	W,7-2	CG	W(10-6)	4	9.0	4	2	2	3	5	0	0	3.57	3.70	35	14	9	3	0	4	73			0	0	0	31	0	0	0	0	0	2	.65	0.271	1.18	0.30%	2.91	1t start tie	9t 3 out a5
19	395	84	Jul 9	MIN	@	DET	W,5-3	GS-7	W(11-6)	4	7.0	9	3	2	1	3	1	0	3.52	3.73	29	10	6	1	0	9	51			0	0	0	28	2	0	0	0	0	0	1.26	0.130	1.83	0.11%	0.78	1b start tie	7b 3 out a1
20	396	88	Jul 14	MIN	@	TOR	L,2-4	GS-3	L(11-7)	4	2.2	7	4	3	1	0	1	0	3.64	3.82	15	3	4	2	0	7	29			0	1	1	13	2	0	0	0	0	1	.71	-0.266	1.23	-0.28%	-2.94	1b start tie	3b 1-3 2 out d3
21	397	90	Jul 19	MIN		DET	L,3-8	GS-4	L(11-8)	4	3.2	6	6	6	4	3	0	1	3.92	3.85	21	4	3	2	0	6	24			2	0	0	15	1	1	1	1	0	0	.96	-0.200	1.54	-0.19%	-2.28	1t start tie	4t 12- 2 out d4
22	398	96	Jul 24	MIN		CLE	L,2-4	GS-9	L(11-9)	4	8.0	9	4	4	4	4	2	0	3.95	3.99	32	6	9	2	0	9	48			0	2	2	28	1	0	1	1	0	0	1.28	-0.074	3.32	-0.12%	0.37	1t start tie	9t --- 0 out d2
23	399	100	Jul 28	MIN	@	CAL	L,0-5	GS-5	L(11-10)	3	4.1	6	3	3	3	5	0	0	4.01	3.95	22	3	5	1	0	6	41			0	1	1	18	3	0	0	0	0	0	1.05	-0.106	4.40	-0.27%	-1.17	1b start tie	5b -2- 1 out d3
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
24	400	105	Aug 3	MIN		CAL	W,4-1	GS-8	W(12-10)	5	7.1	8	1	1	2	8	0	0	3.89	3.84	32	7	7	3	0	8	64			0	1	1	30	0	1	0	0	0	1	1.22	0.270	4.44	0.59%	2.41	1t start tie	8t 12- 1 out a3
25	401	110	Aug 7	MIN	@	SEA	W,5-2	GS-8	W(13-10)	3	7.2	7	2	2	2	4	0	0	3.82	3.78	32	11	8	1	0	7	59			0	0	0	30	2	0	0	1	0	0	.95	0.290	1.60	0.30%	1.94	1b start tie	8b -2- 2 out a3
26	402	115	Aug 12	MIN		OAK	W,1-0	SHO	W(14-10)	4	9.0	10	0	0	0	4	0	0	3.63	3.68	34	13	7	0	0	10	71			0	0	1	34	1	0	0	1	0	0	1.42	0.758	3.42	1.10%	4.91	1t start tie	9t 3 out a1
27	403	120	Aug 17	MIN	@	NYY	W,5-2	CG	W(15-10)	4	9.0	10	2	2	1	7	1	0	3.56	3.65	36	9	9	4	0	10	65			0	1	1	35	3	0	0	1	0	0	1.10	0.235	3.14	0.40%	2.63	1b start tie	9b 3 out a3
28	404	124	Aug 21	MIN		BOS	W,7-2	CG	W(16-10)	3	9.0	5	2	2	5	4	0	0	3.49	3.64	33	12	7	2	0	5	68			0	1	0	28	0	1	0	3	0	0	.73	0.153	1.85	0.23%	2.91	1t start tie	9t 3 out a5
29	405	127	Aug 25	MIN		NYY	W,4-1	GS-9	W(17-10)	3	8.0	9	1	0	2	6	0	0	3.35	3.58	35	8	10	3	0	9	66			0	0	1	33	0	0	0	0	0	1	1.07	0.292	3.18	0.52%	2.97	1t start tie	9t 1-- 0 out a3
30	406	132	Aug 30	MIN	@	BAL	L,4-5	GS-7	L(17-11)	4	6.1	9	4	4	2	3	0	0	3.42	3.55	27	6	7	0	0	9	40			0	0	0	25	5	0	0	1	0	0	1.23	-0.264	3.57	-0.46%	0.03	1b start tie	7b 1-- 1 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
31	407	137	Sep 4	MIN		KCR	W,5-1	CG	W(18-11)	4	9.0	2	1	1	0	7	1	0	3.32	3.52	29	5	15	3	2	2	86			0	0	0	29	0	0	0	0	0	0	.55	0.347	1.18	0.45%	3.91	1t start tie	9t 3 out a4
32	408	140	Sep 8	MIN		TEX	L,2-6	GS-4	L(18-12)	3	4.0	8	5	5	2	1	0	0	3.46	3.52	22	7	4	1	0	8	25			0	1	0	18	1	0	0	1	1	1	1.06	-0.236	1.50	-0.20%	-2.82	1t start tie	4t 3 out d5
33	409	145	Sep 12	MIN	@	KCR	L,0-4	GS-8	L(18-13)	3	7.1	6	4	2	2	4	0	0	3.43	3.49	30	6	12	9	0	6	56			0	1	1	28	1	1	0	0	0	1	.82	0.038	.72	0.02%	0.31	1b start tie	8b --3 1 out d3
34	410	150	Sep 17	MIN	@	CHW	W,10-3	GS-4		4	3.1	6	3	3	1	1	0	0	3.50	3.48	16	1	7	1	0	6	36			0	0	0	15	2	0	0	1	0	0	1.12	-0.139	1.59	-0.12%	-1.45	1b start tie	4b 1-- 1 out d3
35	411	154	Sep 21	MIN	@	MIL	W,3-2	GS-9	W(19-13)	3	8.0	8	2	2	2	6	1	0	3.46	3.48	33	10	7	2	0	8	62			0	0	1	31	0	0	0	0	0	0	.83	-0.009	.86	-0.01%	1.81	1b start tie	9b 1-- 0 out a1
36	412	158	Sep 26	MIN		CHW	L,5-6	GS-8		4	7.1	6	4	4	1	4	1	0	3.50	3.49	31	9	11	2	0	6	53			0	0	0	29	3	0	0	0	0	2	1.10	0.095	.00	0.00%	0.65	1t start tie	8t -2- 1 out a2
37	413	162	Sep 30	MIN		MIL	W,5-0	SHO	W(20-13)	3	9.0	9	0	0	1	3	0	0	3.38	3.46	35	13	9	0	0	9	71			0	1	1	33	2	1	0	1	0	1	.85	0.354	.00	0.00%	4.91	1t start tie	9t 3 out a5
							22-15		W-L:20-13	3.8	263.2	268	108	99	83	157	19	3	3.38	3.46	1101	1.12		10%	1%	266	54	2	0%	7	16	14	999	50	9	4	29	3	15	1.00	2.874	1.99	3.50%	34.61

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