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: 16-20 / in Starts: 16-18

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

Inning/Score Appearance Matrix

Multiple inning appearances: 34, Entered with runners on base: 1

1984 Pitching Game Log

Click two rows to sum games (Clear)

1984 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	558	4	Apr 7	PHI	@	CIN	W,9-1	GS-7	W(1-0)	99	7.0	7	1	1	3	7	0	0	1.29	2.05	31	4	10	0	0	7	63			0	0	0	26	0	0	0	0	1	0	1.04	0.192	1.36	0.15%	2.30	1b start tie	7b 3 out a6
2	559	8	Apr 13	PHI	@	MON	L,1-5	GS-4	L(1-1)	5	4.0	6	4	2	3	2	0	0	2.45	2.77	22	10	7	1	1	0	37			0	0	0	19	1	0	0	1	0	2	1.04	-0.271	1.91	-0.30%	-2.26	1b start tie	4b 3 out d3
3	560	11	Apr 18	PHI	@	PIT	L,3-6	GS-3	L(1-2)	4	3.0	8	5	5	1	1	1	0	5.14	3.77	17	2	5	0	0	8	23			0	1	0	15	1	0	0	0	1	0	.98	-0.391	1.80	-0.43%	-3.64	1b start a 1	3b 3 out d3
4	561	15	Apr 24	PHI		PIT	L,2-3	GS-4	L(1-3)	5	4.0	8	3	3	1	1	0	0	5.50	3.60	21	6	5	1	0	8	34			0	0	0	20	2	0	1	0	0	0	1.09	-0.158	1.97	-0.17%	-1.15	1t start tie	4t 3 out d2
5	562	19	Apr 29	PHI	@	NYM	L,2-6	GS-6	L(1-4)	4	5.2	7	4	3	2	4	0	0	5.32	3.32	26	7	6	1	0	7	43			2	0	0	24	1	0	0	1	0	2	1.03	-0.131	2.17	-0.17%	-0.77	1b start a 1	6b 1-3 2 out d1
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
6	563	24	May 5	PHI		CIN	W,11-2	GS-7	W(2-4)	5	6.1	6	2	1	3	5	0	0	4.50	3.17	26	8	4	1	0	6	57			0	1	1	23	0	0	0	1	0	0	.51	0.034	.67	0.03%	0.36	1t start tie	7t 12- 1 out a5
7	564	29	May 10	PHI	@	HOU	L,2-4	GS-7	L(2-5)	4	7.0	6	4	3	1	7	0	0	4.38	2.80	30	14	2	0	0	6	57			0	0	0	27	1	0	1	0	0	2	1.07	-0.097	1.14	-0.06%	-1.09	1b start tie	7b 3 out d2
8	565	34	May 15	PHI	@	LAD	W,12-1	GS-7	W(3-5)	4	7.0	6	1	1	0	4	0	0	3.89	2.61	25	8	7	0	0	6	65			0	0	0	25	0	0	0	2	0	0	.36	0.153	.53	0.14%	2.11	1b start a 2	7b 3 out a8
9	566	39	May 22	PHI		LAD	W,3-1	GS-7	W(4-5)	6	7.0	7	1	1	2	2	0	0	3.53	2.67	28	10	7	2	0	7	59			0	0	0	26	0	0	0	2	0	0	1.55	0.303	2.80	0.33%	2.23	1t start tie	7t 3 out a2
10	567	44	May 27	PHI		SDP	L,0-4	GS-6	L(4-6)	4	6.0	4	2	2	2	5	1	0	3.47	2.84	22	8	3	0	0	4	59			0	0	1	20	1	1	0	1	0	0	.95	0.011	1.92	0.01%	0.77	1t start tie	6t 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	568	48	Jun 2	PHI		CHC	W,3-2	GS-7		5	7.0	5	1	1	4	6	0	0	3.23	2.83	31	12	4	0	1	5	65			0	0	0	27	0	1	0	0	0	0	1.30	0.271	3.70	0.46%	2.23	1t start tie	7t 3 out tie
12	569	53	Jun 8(1)	PHI		PIT	W,5-4	GS-7	W(5-6)	5	6.2	8	2	2	2	7	0	0	3.18	2.71	29	6	6	0	0	8	55			0	0	1	26	3	0	0	0	1	0	.92	0.061	1.67	0.07%	0.82	1t start tie	7t 12- 2 out a3
13	570	59	Jun 13	PHI		STL	W,4-1	CG	W(6-6)	4	9.0	5	1	1	1	4	0	0	2.94	2.66	31	13	8	0	2	5	76			0	0	0	29	2	0	0	2	0	0	.73	0.327	1.49	0.40%	3.16	1t start tie	9t 3 out a3
14	571	64	Jun 19	PHI	@	NYM	W,6-4	GS-7	W(7-6)	5	7.0	4	2	2	1	4	0	0	2.91	2.61	26	11	7	2	0	3	64			0	0	0	24	2	0	0	1	0	1	1.20	0.191	4.05	0.39%	1.14	1b start tie	7b 3 out a2
15	572	69	Jun 23	PHI	@	PIT	W,7-5	GS-8	W(8-6)	3	7.0	8	3	3	2	4	0	0	2.98	2.60	30	6	10	1	0	8	51			0	1	0	27	2	0	0	0	0	0	.81	0.159	1.80	0.21%	0.20	1b start a 1	8b 12- 0 out a5
16	573	74	Jun 28	PHI		HOU	L,6-7	GS-7		4	6.0	8	1	0	1	3	0	1	2.80	2.61	27	7	7	0	2	8	56			0	2	0	25	0	0	0	0	0	1	1.28	0.164	3.25	0.25%	0.80	1t start tie	7t 12- 0 out a5
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
17	574	79	Jul 3	PHI		CIN	L,5-6	GS-6	L(8-7)	4	6.0	9	6	5	2	3	1	0	3.07	2.74	29	6	9	0	2	9	33			1	0	0	26	1	0	0	0	0	0	1.10	-0.283	2.57	-0.40%	-3.23	1t start tie	6t 3 out d5
18	575	84	Jul 8	PHI		ATL	W,7-0	SHO	W(9-7)	4	9.0	4	0	0	0	6	0	0	2.83	2.64	33	8	15	0	6	4	85			0	0	0	33	0	0	0	0	0	2	.36	0.213	.57	0.20%	4.16	1t start tie	9t 3 out a7
19	576	87	Jul 14	PHI	@	HOU	W,4-3	GS-7	W(10-7)	5	7.0	7	3	3	3	2	0	1	2.88	2.71	31	13	5	0	0	7	50			1	0	0	26	1	1	0	2	0	1	1.37	0.032	2.16	0.03%	-0.09	1b start a 1	7b 3 out a1
20	577	92	Jul 19	PHI	@	ATL	W,9-1	CG	W(11-7)	4	9.0	4	1	1	1	7	0	0	2.76	2.63	32	13	7	0	0	4	81			0	0	0	31	2	1	0	0	0	0	.15	0.088	.32	0.11%	3.37	1b start a 5	9b 3 out a8
21	578	97	Jul 24	PHI		CHC	W,3-2	GS-7	W(12-7)	4	7.0	9	2	2	0	3	0	0	2.75	2.59	31	9	10	0	0	9	54			1	1	1	30	3	0	0	0	1	2	1.27	0.165	2.84	0.22%	1.23	1t start tie	7t 3 out tie
22	579	101	Jul 29	PHI		MON	W,6-4	GS-7		4	6.1	10	4	3	0	6	0	0	2.81	2.52	29	7	6	0	1	10	45			1	0	0	29	0	0	0	0	0	0	1.23	-0.124	1.45	-0.09%	-0.91	1t start tie	7t 1-3 1 out a1
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	580	106	Aug 3	PHI	@	STL	L,3-4	GS-7	L(12-8)	4	7.0	7	4	4	2	4	0	0	2.92	2.52	29	9	7	0	0	7	49			1	0	0	27	2	1	0	1	0	0	.67	-0.191	1.05	-0.18%	-0.89	1b start tie	7b 3 out d1
24	581	112	Aug 8	PHI	@	MON	L,1-3	GS-7	L(12-9)	4	7.0	7	3	0	3	2	0	0	2.79	2.56	31	10	9	0	0	7	56			0	1	0	27	1	0	1	0	0	1	.63	-0.155	.78	-0.11%	0.05	1b start tie	7b 3 out d3
25	582	116	Aug 14	PHI	@	SDP	L,2-3	GS-6	L(12-10)	5	6.0	6	3	2	3	6	0	1	2.80	2.57	29	9	5	0	0	5	53			2	0	0	25	0	0	1	0	0	1	.86	-0.098	1.09	-0.07%	-0.28	1b start tie	6b 3 out d1
26	583	120	Aug 18	PHI	@	LAD	W,6-5	GS-7	W(13-10)	3	7.0	6	3	2	1	7	0	0	2.79	2.51	27	9	4	0	0	6	61			0	0	0	25	1	0	0	1	0	0	1.02	-0.077	1.04	-0.05%	0.11	1b start tie	7b 3 out d1
27	584	124	Aug 22	PHI	@	SFG	L,5-7	GS-3		3	3.0	7	4	4	0	1	1	0	2.95	2.58	16	2	6	0	0	7	30			1	0	0	16	1	0	0	0	0	0	.68	-0.256	1.02	-0.23%	-2.68	1b start tie	3b 3 out d4
28	585	128	Aug 27	PHI		SDP	W,9-1	GS-7	W(14-10)	4	7.0	6	1	1	2	2	0	0	2.88	2.60	29	11	8	0	1	6	61			0	0	0	27	1	0	0	0	0	0	.84	0.245	1.29	0.23%	2.23	1t start tie	7t 3 out a5
29	586	133	Aug 31	PHI		SFG	L,5-6	GS-8	L(14-11)	3	7.1	8	5	5	3	4	1	0	3.01	2.68	33	9	9	1	2	8	43			1	0	0	30	0	1	0	0	0	0	1.19	-0.012	.81	-0.01%	0.17	1t start tie	8t 123 1 out a1
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
30	587	138	Sep 5	PHI	@	STL	L,5-6	GS-9		4	8.0	8	3	3	0	3	0	0	3.03	2.65	30	11	8	2	0	8	57			0	0	0	30	1	1	0	2	0	0	.75	0.147	.03	0.00%	1.18	1b start a 3	9b 1-- 0 out a3
31	588	143	Sep 10	PHI	@	CHC	L,2-3	GS-7	L(14-12)	4	6.1	5	3	2	5	2	0	0	3.02	2.71	28	11	5	0	4	5	50			0	0	0	22	1	0	0	1	0	0	1.48	0.004	.02	0.00%	0.87	1b start tie	7b 123 1 out a1
32	589	149	Sep 15	PHI		MON	L,3-4	GS-7	L(14-13)	4	7.0	8	4	4	0	2	1	0	3.09	2.75	28	5	13	0	6	8	47			0	1	1	27	1	1	0	0	1	0	.99	-0.213	.00	0.00%	-0.77	1t start tie	7t 3 out d2
33	590	154	Sep 21	PHI	@	PIT	L,1-5	GS-7	L(14-14)	5	6.2	11	5	5	1	5	1	0	3.20	2.78	32	5	10	2	2	11	36			0	0	0	29	3	0	0	0	1	0	1.38	-0.245	.00	0.00%	-2.13	1b start tie	7b -2- 2 out d4
34	591	159	Sep 26	PHI	@	NYM	L,1-7	GS-6	L(14-15)	4	6.0	7	4	4	5	3	1	0	3.28	2.88	26	9	2	0	0	7	40			2	2	0	21	2	0	1	0	0	0	.96	-0.189	.00	0.00%	-1.31	1b start tie	6b 3 out d3
35	592	161	Sep 30(1)	PHI		PIT	L,0-2	9-9		3	0.2	0	0	0	0	1	0	0	3.27	2.87	2	1	0	0	0	0		2	0	0	0	0	1	0	0	0	0	0	0	.48	0.022	.00	0.00%	0.86	9t 12- 0 out d2	9t -23 2 out d2
36	593	162	Sep 30(2)	PHI		PIT	L,2-7	8-8		-1	1.0	0	0	0	0	2	0	0	3.25	2.85	3	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.04	0.003	.00	0.00%	0.46	8t --- 0 out d5	8t 3 out d5
							16-20		W-L:14-15	4.0	224.0	232	95	81	60	137	8	3	3.25	2.85	950	1.22		3%	6%	224	53	2	0%	13	10	5	868	37	8	5	18	6	15	.96	-0.106	1.42	0.97%	9.61

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