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: 10-22 / in Starts: 10-22

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

1977 Pitching Game Log

Click two rows to sum games (Clear)

1977 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	307	2	Apr 9	NYM	@	CHC	W,8-6	GS-8		99	7.0	3	3	3	4	4	0	0	3.86	3.31	27	10	8	5	0	1	59			0	0	0	23	0	0	0	2	0	1	.75	0.163	1.23	0.16%	1.40	1b start a 2	8b 1-- 0 out a4
2	308	6	Apr 14	NYM		STL	L,1-4	GS-7	L(0-1)	4	7.0	8	4	4	1	8	0	0	4.50	2.10	29	9	4	0	0	7	52			1	1	1	28	1	1	0	0	0	0	.71	-0.169	1.20	-0.17%	-0.78	1t start tie	7t 3 out d4
3	309	11	Apr 19	NYM	@	STL	W,5-2	GS-8	W(1-1)	4	7.2	5	2	2	5	4	1	1	3.74	3.39	32	12	5	0	2	5	60			0	1	0	26	2	0	0	1	0	0	1.23	0.126	2.05	0.13%	1.12	1b start tie	8b 123 2 out a3
4	310	15	Apr 27	NYM		MON	L,2-3	GS-8	L(1-2)	7	8.0	5	3	0	1	4	1	0	2.73	3.48	31	13	8	0	1	5	69			0	0	0	28	0	0	0	0	0	1	.70	-0.053	.90	-0.04%	0.68	1t start tie	8t 3 out d2
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	311	19	May 2	NYM	@	LAD	L,1-3	CG(8)	L(1-3)	4	8.0	7	3	3	3	8	0	0	2.87	3.14	34	8	8	0	3	7	61			0	0	0	30	1	0	0	1	1	1	1.10	-0.008	1.26	-0.01%	0.87	1b start tie	8b 3 out d2
6	312	24	May 7	NYM	@	SFG	W,6-0	SHO	W(2-3)	4	9.0	3	0	0	2	7	0	0	2.31	2.89	32	7	13	0	1	3	86			0	0	0	30	1	0	0	0	0	0	.37	0.220	.25	0.09%	4.36	1b start a 1	9b 3 out a6
7	313	29	May 12	NYM		SDP	L,2-5	GS-7	L(2-4)	4	7.0	5	2	2	2	10	1	0	2.35	2.85	28	7	4	1	0	5	67			0	0	0	26	1	0	1	0	0	0	1.03	0.082	.37	0.02%	1.22	1t start tie	7t 3 out d2
8	314	33	May 17	NYM		SFG	W,8-1	CG	W(3-4)	4	9.0	4	1	1	2	7	0	0	2.15	2.71	32	7	13	0	1	3	80			0	0	0	29	0	0	0	0	0	0	.86	0.245	.17	0.03%	3.14	1t start tie	9t 3 out a7
9	315	38	May 22(1)	NYM	@	CIN	L,1-8	GS-5	L(3-5)	4	4.0	6	8	6	5	2	1	0	2.84	3.07	24	8	3	0	0	6	19			2	0	0	19	1	0	0	0	0	1	.55	-0.334	.13	-0.05%	-6.35	1b start tie	5b 1-3 0 out d6
10	316	42	May 28	NYM	@	PHI	L,2-4	GS-9		5	9.0	10	2	2	2	6	1	1	2.74	3.16	40	11	11	1	1	8	63			0	0	0	36	0	0	0	1	0	0	1.54	0.232	.26	0.02%	2.62	1b start tie	9b 3 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	317	48	Jun 2	NYM	@	MON	W,7-4	GS-7	W(4-5)	4	6.1	6	3	3	4	3	1	0	2.85	3.36	29	5	11	0	1	6	48			0	0	0	24	2	0	0	0	1	0	1.05	-0.096	.12	-0.01%	-1.25	1b start tie	7b 123 1 out a3
12	318	54	Jun 8	NYM		CIN	L,0-5	GS-8	L(4-6)	5	8.0	9	5	5	4	4	1	0	3.10	3.49	35	13	5	0	1	9	44			0	1	0	31	1	0	0	1	0	1	.40	-0.252	.08	-0.03%	-1.32	1t start tie	8t 3 out d5
13	319	59	Jun 13	NYM	@	ATL	W,7-1	CG	W(5-6)	4	9.0	4	1	0	3	10	0	0	2.82	3.31	34	8	10	0	1	3	84			0	0	0	31	0	0	0	1	0	1	.98	0.366	.13	0.03%	3.93	1b start tie	9b 3 out a6
14	320	64	Jun 18	NYM		HOU	L,3-4	GS-7	L(5-7)	4	7.0	7	4	4	1	8	0	0	2.97	3.15	29	5	8	0	1	7	54			2	0	0	27	2	1	0	0	1	0	1.23	-0.206	.16	-0.02%	-0.78	1t start tie	7t 3 out d1
15	321	68	Jun 24	NYM	@	CHC	L,0-5	GS-5	L(5-8)	5	5.0	6	4	4	2	4	0	0	3.16	3.12	21	6	8	6	0	1	41			0	1	1	18	2	1	0	1	0	0	.67	-0.149	.10	-0.01%	-1.29	1b start tie	5b 3 out d4
16	322	73	Jun 29	NYM		PHI	W,5-3	GS-8	W(6-8)	4	7.2	4	2	2	2	6	0	0	3.11	3.04	29	9	8	1	1	4	67			0	0	0	27	3	0	0	0	0	0	.64	0.219	.01	0.00%	1.37	1t start tie	8t -2- 2 out a2
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	323	79	Jul 4	NYM	@	PHI	L,1-3	GS-6	L(6-9)	4	6.0	8	3	3	2	3	0	0	3.18	3.03	26	7	6	1	0	8	45			0	1	0	24	1	1	0	1	0	0	.83	-0.095	.01	0.00%	0.08	1b start tie	6b 3 out d3
18	324	83	Jul 8	NYM		MON	L,4-5	GS-7	L(6-10)	3	7.0	4	3	1	3	4	0	1	3.08	3.04	28	9	7	0	0	4	62			0	0	0	23	0	0	1	1	1	0	1.38	-0.124	.00	0.00%	0.22	1t start tie	7t 3 out d1
19	325	87	Jul 13 susp	NYM		CHC	L,2-5	GS-8	L(6-11)	4	8.0	7	4	4	5	13	1	0	3.16	3.04	35	10	6	3	0	1	60			0	1	0	30	0	0	0	0	0	0	1.16	-0.271	.00	0.00%	-0.32	1t start tie	8t 3 out d2
20	326	92	Jul 17(2)	NYM		PIT	W,9-3	GS-7	W(7-11)	3	7.0	3	3	2	2	9	1	0	3.13	3.03	27	8	5	0	0	3	68			0	0	0	25	1	0	0	1	0	2	1.07	0.024	.00	0.00%	0.22	1t start tie	7t 3 out tie
21	327	95	Jul 23	NYM	@	SDP	L,3-4	GS-6		5	6.0	3	3	3	3	7	1	0	3.18	3.07	25	4	8	1	2	3	58			0	0	0	22	1	0	1	0	0	1	1.26	-0.115	.00	0.00%	-0.39	1b start a 2	6b 3 out tie
22	328	100	Jul 29	NYM		SDP	W,4-1	GS-7	W(8-11)	5	7.0	2	1	1	2	8	0	0	3.10	3.00	24	6	6	0	1	2	75			1	0	1	22	0	0	0	0	0	0	.87	0.215	.00	0.00%	2.22	1t start tie	7t 3 out d1
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	329	104	Aug 2	NYM		LAD	L,2-7	GS-7	L(8-12)	3	7.0	12	5	5	3	7	1	0	3.24	3.03	35	4	9	0	0	12	37			0	0	0	31	2	0	1	0	0	0	1.50	-0.375	.00	0.00%	-1.78	1t start tie	7t 3 out d3
24	330	109	Aug 8	NYM		STL	L,2-4	CG	L(8-13)	5	9.0	7	4	4	3	4	1	0	3.28	3.10	34	15	5	1	0	7	58			1	1	1	29	0	0	1	2	0	0	1.59	-0.049	.00	0.00%	0.14	1t start tie	9t 3 out d3
25	331	113	Aug 12(1)	NYM	@	PIT	L,2-3	CG(8)	L(8-14)	3	8.0	6	3	3	1	5	0	1	3.28	3.06	32	11	8	0	0	6	62			1	0	0	30	1	0	0	0	0	0	1.04	0.025	.00	0.00%	0.99	1b start a 2	8b 3 out d1
26	332	119	Aug 17	NYM	@	STL	L,0-2	GS-7	L(8-15)	4	7.0	6	2	2	4	3	0	0	3.26	3.08	30	9	8	1	1	6	56			1	1	1	25	0	0	2	0	0	0	1.11	0.049	.00	0.00%	1.39	1b start tie	7b 3 out d2
27	333	123	Aug 21	NYM		CIN	L,1-5	GS-8	L(8-16)	3	7.1	7	5	2	2	7	0	0	3.23	3.03	30	8	6	2	1	7	55			0	1	0	28	2	0	0	1	0	2	.85	-0.133	.00	0.00%	-1.81	1t start tie	8t 1-- 1 out d4
28	334	128	Aug 26	NYM	@	ATL	L,3-5	GS-3	L(8-17)	4	2.2	7	5	5	2	1	3	0	3.41	3.24	16	2	4	0	0	7	23			0	1	0	14	0	0	0	0	0	0	.76	-0.261	.00	0.00%	-3.60	1b start tie	3b 1-- 2 out d5
29	335	132	Aug 31	NYM	@	HOU	L,2-5	GS-6	L(8-18)	4	6.0	8	4	3	3	5	0	0	3.44	3.22	27	9	2	0	0	8	44			1	0	0	23	1	1	1	2	0	0	1.19	-0.288	.00	0.00%	-1.34	1b start tie	6b 3 out d2
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	336	137	Sep 5	NYM		MON	L,3-4	GS-6	L(8-19)	4	6.0	6	4	4	2	7	2	0	3.51	3.29	26	6	5	2	0	6	49			0	1	0	24	1	0	0	0	0	1	.79	-0.146	.00	0.00%	-1.24	1t start tie	6t 3 out d4
31	337	142	Sep 10	NYM	@	CHC	W,7-2	GS-6		4	6.0	7	2	1	0	5	0	0	3.46	3.23	25	11	9	3	0	0	57			1	0	0	25	1	0	0	0	0	0	1.05	0.072	.00	0.00%	1.26	1b start a 1	6b 3 out d1
32	338	153	Sep 21	NYM		PIT	L,0-4	GS-8	L(8-20)	10	8.0	10	4	4	1	9	0	0	3.49	3.14	34	10	4	2	0	10	54			4	0	0	33	2	0	0	1	0	1	1.13	-0.032	.00	0.00%	-0.32	1t start tie	8t 3 out d4
							10-22		W-L:8-20	4.1	226.2	195	102	88	81	192	17	4	3.49	3.14	940	1.19		6%	4%	170	57		---%	15	11	5	841	30	5	8	17	4	13	1.00	-1.118	.27	0.14%	4.63

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