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

Become a Stathead & surf this site ad-free.

SUMMARY

Career

WAR

53.6

222

209

ERA

3.36

612

527

3839.1

2556

WHIP

1.259

Feel like you're looking for a needle in a haystack?

Unleash the power of our game logs database by becoming a Stathead. Subscribers gain access to Player and Team Game Finders, which pros use to easily run customizable searches through over 100 years worth of game logs.

Become a Stathead

Team Record in Appearances: 20-16 / in Starts: 18-16

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

Inning/Score Appearance Matrix

Multiple inning appearances: 35, Entered with runners on base: 2

1975 Pitching Game Log

Click two rows to sum games (Clear)

1975 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	237	3	Apr 11	NYM	@	PIT	L,3-4	GS-9		99	8.0	10	3	3	1	2	0	0	3.38	2.46	34	12	9	0	2	10	51			0	0	0	33	0	0	0	2	0	1	1.37	0.189	2.20	0.18%	1.63	1b start tie	9b 12- 0 out a2
2	238	7	Apr 17	NYM	@	STL	W,14-7	GS-2		5	1.1	5	4	4	2	0	1	0	6.75	4.52	12	1	4	0	0	5	26			0	0	0	9	0	0	0	0	1	1	1.21	-0.322	1.50	-0.24%	-4.59	1b start a 6	2b 123 1 out a2
3	239	11	Apr 22	NYM		STL	W,9-5	CG	W(1-0)	4	9.0	9	5	5	3	9	1	1	5.89	3.95	42	10	10	0	0	9	55			0	0	0	37	2	0	0	0	1	2	.95	0.076	1.29	0.06%	-1.08	1t start tie	9t 3 out a4
4	240	14	Apr 27	NYM	@	MON	W,7-6	GS-5		4	5.0	9	6	6	2	5	0	0	6.94	3.49	25	7	4	2	0	7	28			1	0	0	23	2	2	0	0	0	0	.47	-0.325	.77	-0.32%	-3.61	1b start tie	5b 3 out d5
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	241	18	May 2	NYM		MON	W,3-0	SHO	W(2-0)	4	9.0	4	0	0	6	5	0	0	5.01	3.48	32	9	8	0	5	4	78			1	2	0	26	1	0	0	3	0	0	1.16	0.489	1.78	0.45%	3.92	1t start tie	9t 3 out a3
6	242	22	May 8	NYM		PIT	L,2-4	GS-7	L(2-1)	5	7.0	8	4	4	3	3	1	0	5.03	3.73	28	7	7	1	3	8	45			0	2	1	24	3	0	0	1	0	0	.97	-0.207	1.41	-0.18%	-0.95	1t start tie	7t 3 out d2
7	243	27	May 14	NYM		SFG	W,5-1	CG	W(3-1)	5	9.0	5	1	1	8	8	0	0	4.28	3.68	36	12	3	0	0	5	73			0	0	0	27	0	0	0	4	0	0	1.08	0.231	1.05	0.14%	2.92	1t start tie	9t 3 out a4
8	244	31	May 20	NYM	@	CIN	W,6-2	GS-8	W(4-1)	5	7.2	7	2	2	5	3	1	0	4.02	3.93	33	10	9	1	1	6	55			0	0	0	27	1	1	1	2	1	0	.87	0.226	1.04	0.16%	1.32	1b start tie	8b 12- 2 out a3
9	245	35	May 25	NYM	@	ATL	L,3-6	GS-4	L(4-2)	4	4.0	8	6	5	1	1	1	0	4.50	4.07	20	1	9	0	1	8	24			1	0	0	18	2	0	0	0	1	0	.75	-0.369	1.26	-0.37%	-4.11	1b start tie	4b 3 out d5
10	246	39	May 30	NYM		SDP	L,2-6	GS-8	L(4-3)	4	7.1	9	5	5	2	4	0	0	4.68	3.88	32	15	8	4	0	3	42			1	0	0	30	1	0	1	0	0	0	1.60	-0.183	2.52	-0.17%	-0.01	1t start tie	8t 123 1 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	247	44	Jun 4	NYM		HOU	W,1-0	SHO	W(5-3)	4	9.0	5	0	0	3	6	0	0	4.13	3.69	33	13	6	0	1	5	80			1	0	0	28	1	0	0	0	0	0	1.47	0.700	2.54	0.72%	3.92	1t start tie	9t 3 out a1
12	248	49	Jun 9	NYM	@	SFG	L,4-5	GS-9	L(5-4)	4	8.2	10	5	1	4	8	0	0	3.81	3.53	41	11	8	0	3	10	56			1	0	0	35	0	1	0	0	0	0	1.62	-0.094	2.82	-0.10%	-0.01	1b start a 1	9b -2- 2 out tie
13	249	54	Jun 14	NYM	@	SDP	L,1-7	GS-4	L(5-5)	4	3.1	7	5	4	1	4	0	0	4.08	3.44	17	4	3	1	0	5	31			0	0	0	16	3	0	0	0	0	0	.91	-0.364	1.86	-0.45%	-3.74	1b start tie	4b 1-- 1 out d4
14	250	59	Jun 19	NYM	@	MON	L,2-3	GS-10		4	10.0	7	2	2	6	9	1	0	3.84	3.48	43	10	12	1	2	6	73			1	0	0	37	2	0	1	0	0	0	1.58	0.397	3.23	0.49%	2.78	1b start tie	10b 3 out tie
15	251	65	Jun 24	NYM		STL	W,5-1	CG	W(6-5)	4	9.0	5	1	1	1	7	0	0	3.61	3.30	34	6	15	0	0	5	79			0	0	0	33	1	0	0	0	0	1	.70	0.346	.73	0.22%	2.92	1t start tie	9t 3 out a4
16	252	69	Jun 29(1)	NYM		PHI	L,6-9	GS-2	L(6-6)	4	1.2	8	7	6	2	1	1	0	4.05	3.45	15	2	2	1	0	8	12			0	0	0	11	0	1	0	0	1	1	.82	-0.426	1.52	-0.47%	-6.69	1t start tie	2t -23 2 out d7
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	253	74	Jul 3	NYM		CHC	W,4-0	SHO	W(7-6)	3	9.0	4	0	0	3	5	0	0	3.74	3.38	33	8	16	4	1	1	81			0	1	1	30	1	0	0	0	0	1	1.06	0.476	1.16	0.31%	3.92	1t start tie	9t 3 out a4
18	254	80	Jul 8	NYM	@	ATL	W,4-3	GS-8	W(8-6)	4	8.0	5	3	3	2	5	2	0	3.71	3.50	30	7	11	0	2	5	63			0	0	0	28	0	0	0	1	0	0	1.29	0.141	1.05	0.07%	0.78	1b start a 1	8b 3 out a1
19	255	84	Jul 12	NYM	@	CIN	L,2-3	CG(8)	L(8-7)	3	8.0	8	3	0	3	6	0	0	3.49	3.42	35	5	13	1	4	8	63			0	0	0	32	0	0	0	0	0	1	1.03	0.042	.73	0.02%	0.74	1b start tie	8b 3 out d1
20	256	86	Jul 17	NYM		ATL	W,4-3	GS-6		4	5.1	8	3	3	2	2	1	1	3.55	3.52	26	9	5	0	0	7	40			0	0	0	23	4	0	0	0	0	0	1.14	-0.087	.59	-0.03%	-0.88	1t start tie	6t 123 1 out d2
21	257	91	Jul 22	NYM		CIN	W,3-1	CG	W(9-7)	4	9.0	6	1	1	4	8	0	0	3.40	3.44	38	14	6	1	3	6	75			1	0	0	34	1	0	0	0	0	1	1.41	0.442	.63	0.12%	2.92	1t start tie	9t 3 out a2
22	258	96	Jul 27(1)	NYM	@	CHC	L,2-4	GS-7	L(9-8)	4	7.0	7	4	3	6	5	2	1	3.42	3.64	31	11	6	1	1	2	48			1	2	2	24	2	0	0	1	0	0	.78	-0.186	.54	-0.08%	-0.66	1b start a 1	7b 3 out d2
23	259	102	Jul 31	NYM	@	PIT	W,6-2	CG	W(10-8)	3	9.0	9	2	2	2	6	0	0	3.34	3.54	36	8	11	1	2	9	65			0	0	0	33	1	0	0	0	0	0	1.04	0.229	1.05	0.14%	2.05	1b start tie	9b 3 out a4
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	260	108	Aug 5(1)	NYM		MON	L,0-7	GS-3	L(10-9)	4	2.1	9	6	6	1	2	1	0	3.62	3.60	16	1	3	0	0	9	16			0	1	1	13	1	1	0	0	1	0	.82	-0.362	.61	-0.16%	-5.32	1t start tie	3t -2- 1 out d6
25	261	113	Aug 9	NYM		LAD	L,0-2	GS-8	L(10-10)	3	8.0	6	2	2	4	4	0	0	3.56	3.58	32	8	11	0	2	5	62			3	2	1	27	2	0	1	0	0	0	1.04	0.090	.69	0.04%	1.48	1t start tie	8t 3 out d2
26	262	118	Aug 15(1)	NYM		SFG	L,2-6	GS-6	L(10-11)	5	5.1	9	6	6	3	4	1	0	3.75	3.63	28	6	8	2	1	7	27			0	0	0	25	2	0	0	0	0	0	1.15	-0.216	.97	-0.11%	-3.86	1t start tie	6t 1-- 1 out d6
27	263	121	Aug 17	NYM		SFG	W,3-0	8-GF	S(1)	1	1.2	1	0	0	0	1	0	0	3.72	3.61	5	3	0	0	0	1		2	0	0	0	0	5	0	0	0	1	0	0	1.17	0.111	1.38	0.08%	1.28	8t 12- 1 out a3	9t end a 3
28	264	123	Aug 19	NYM	@	HOU	W,6-3	9-GF	S(2)	1	0.1	0	0	0	0	0	0	0	3.71	3.60	1	1	0	0	0	0		2	0	0	0	0	1	0	0	0	0	0	0	1.50	0.036	1.69	0.03%	0.39	9b 12- 2 out a3	9b end a 3
29	265	126	Aug 23	NYM	@	SFG	L,1-2	GS-9		3	8.0	4	1	1	4	11	0	0	3.60	3.51	30	8	3	0	0	4	77			0	0	0	25	1	0	0	2	0	0	1.59	0.376	1.42	0.20%	3.20	1b start tie	9b -2- 0 out a1
30	266	132	Aug 28	NYM	@	LAD	W,4-1	CG	W(11-11)	4	9.0	8	1	1	5	10	0	0	3.48	3.44	37	8	7	0	1	7	72			3	0	0	32	1	0	1	3	0	0	1.46	0.330	1.97	0.27%	2.92	1b start tie	9b 3 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
31	267	137	Sep 2	NYM		PIT	L,4-8	GS-4	L(11-12)	4	3.2	8	7	7	0	3	3	1	3.73	3.60	19	5	2	0	0	8	20			0	1	1	17	1	1	0	0	0	0	.84	-0.671	2.54	-1.23%	-5.35	1t start tie	4t --- 2 out d3
32	268	140	Sep 6	NYM		STL	L,3-6	GS-6	L(11-13)	3	6.0	4	4	1	4	3	0	0	3.67	3.60	26	6	10	1	0	3	53			1	1	1	21	1	0	1	0	1	1	.67	-0.224	.71	-0.14%	-1.39	1t start tie	6t 3 out d3
33	269	146	Sep 11	NYM	@	PIT	W,7-0	SHO	W(12-13)	4	9.0	6	0	0	1	7	0	0	3.51	3.51	33	7	12	1	2	6	81			0	0	0	32	0	0	0	1	0	0	.46	0.218	.01	0.00%	4.05	1b start tie	9b 3 out a7
34	270	150	Sep 15	NYM		MON	W,3-2	GS-8	W(13-13)	3	8.0	6	2	2	1	4	0	0	3.47	3.46	29	8	10	2	0	6	65			2	1	0	28	0	0	0	0	0	0	.88	0.141	.00	0.00%	1.48	1t start tie	8t 3 out tie
35	271	155	Sep 20	NYM		PHI	W,9-7	GS-3		4	3.0	6	4	4	0	2	2	0	3.58	3.54	15	3	4	0	2	6	33			0	0	0	14	0	2	0	0	0	0	.82	-0.342	.00	0.00%	-2.69	1t start tie	3t 3 out d1
36	272	160	Sep 26(2)	NYM	@	PHI	W,3-2	GS-11	W(14-13)	5	11.0	4	1	0	3	10	0	0	3.42	3.45	41	8	16	1	6	4	94			0	1	1	37	1	0	0	0	0	2	1.72	0.669	.00	0.00%	4.25	1b start tie	11b 3 out tie
							20-16		W-L:14-13,Sv:2	3.8	239.2	234	106	91	98	173	19	4	3.42	3.45	1018	0.97		5%	8%	208	54	4	0%	18	14	9	895	38	9	6	21	7	12	1.12	1.577	1.27	-0.36%	3.90

Player Page Tricks and Tips

More Koosman Pages

Jerry Koosman Overview

Minor & Winter Lg Stats

Pitching Splits

Batting Splits

Pitching Game Logs

Batting Game Logs

Fielding Game Logs

Pitching Finders & Advanced Stats

Batting Finders & Advanced Stats

Fielding Finders & Advanced Stats

Advanced Stats

More Jerry Koosman Pages at Baseball Reference