Dave Koslo

Position: Pitcher

Bats: Left • Throws: Left

5-11, 180lb (180cm, 81kg)

Born: March 31, 1920 in Menasha, WI us

Died: December 1, 1975 in Menasha, WI

Buried: St. John Cemetery, Menasha, WI

High School: Menasha HS (Menasha, WI)

Debut: September 12, 1941 (Age 21-165d, 7,270th in MLB history)
vs. CIN 0.2 IP, 1 H, 0 SO, 0 BB, 0 ER

Last Game: April 14, 1955 (Age 35-014d)
vs. STL 0.0 IP, 1 H, 0 SO, 0 BB, 1 ER, L

Rookie Status: Exceeded rookie limits during 1942 season

Full Name: George Bernard Koslo

View Player Bio from the SABR BioProject

ERA Title

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SUMMARY

Career

WAR

15.2

W

L

107

ERA

3.68

G

348

GS

189

SV

IP

1591.1

SO

606

WHIP

1.342

Standard Pitching

Standard Pitching
Year	Age	Tm	Lg	W	L	W-L%	ERA	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	ERA+	FIP	WHIP	H9	HR9	BB9	SO9	SO/W	Awards
1939	19	CHC-min	D	11	14	.440	4.00	31						205.0	218	131	91		110									1.600	9.6		4.8			HOP KITL
1941	21	CHC-min	AA	13	13	.500	4.43	35	29	5	15	2		203.0	211	122	100		83		96	8	0	6				1.448	9.4		3.7	4.3	1.16	MLW AA
1941	21	NYG	NL	1	2	.333	1.90	4	3	0	2	0	0	23.2	17	6	5	0	10	0	12	0	0	1	94	198	2.92	1.141	6.5	0.0	3.8	4.6	1.20
1942	22	NYG-min	AA	3	2	.600	3.00	12	8		2	1		60.0	53	22	20		38		48	0	1	0				1.517	8.0		5.7	7.2	1.26	JER IL
1942	22	NYG	NL	3	6	.333	5.08	19	11	2	3	1	0	78.0	79	49	44	7	32	4	42	1	0	0	344	66	3.78	1.423	9.1	0.8	3.7	4.8	1.31
1943			Did not play in major or minor leagues (Military Service)
1944			Did not play in major or minor leagues (Military Service)
1945			Did not play in major or minor leagues (Military Service)
1946	26	NYG	NL	14	19	.424	3.63	40	35	5	17	3	1	265.1	251	119	*107*	15	101	14	121	5	0	5	1136	95	3.41	1.327	8.5	0.5	3.4	4.1	1.20
1947	27	NYG	NL	15	10	.600	4.39	39	31	6	10	3	0	217.1	223	118	106	23	82	15	86	3	0	5	958	93	4.25	1.403	9.2	1.0	3.4	3.6	1.05
1948	28	NYG	NL	8	10	.444	3.87	35	18	6	5	3	3	149.0	168	69	64	7	62	9	58	1	0	1	655	103	3.76	1.544	10.1	0.4	3.7	3.5	0.94
1949	29	NYG	NL	11	14	.440	2.50	38	23	12	15	0	4	212.0	193	72	59	13	43	7	64	0	0	3	856	160	3.31	*1.113*	8.2	0.6	*1.8*	2.7	1.49
1950	30	NYG	NL	13	15	.464	3.91	40	22	15	7	1	3	186.2	190	89	81	18	68	9	56	5	0	2	794	105	4.41	1.382	9.2	0.9	3.3	2.7	0.82
1951	31	NYG	NL	10	9	.526	3.31	39	16	17	5	2	3	149.2	153	68	55	18	45	6	54	2	0	0	644	119	4.26	1.323	9.2	1.1	2.7	3.2	1.20
1952	32	NYG	NL	10	7	.588	3.19	41	17	11	8	2	5	166.1	154	66	59	10	47	2	67	2	0	2	691	116	3.25	1.208	8.3	0.5	2.5	3.6	1.43
1953	33	NYG	NL	6	12	.333	4.76	37	12	14	2	0	2	111.2	135	70	59	8	36	6	36	1	1	1	496	91	3.87	1.531	10.9	0.6	2.9	2.9	1.00
1954	34	MLN-min	AAA	0	0			9																										TOL AA
1954	34	TOT	MLB	1	2	.333	3.13	15	1	4	0	0	1	31.2	33	13	11	1	12	4	10	0	0	1	134	120	3.31	1.421	9.4	0.3	3.4	2.8	0.83
1954	34	BAL	AL	0	1	.000	3.14	3	1	1	0	0	0	14.1	20	7	5	1	3	0	3	0	0	0	63	117	3.51	1.605	12.6	0.6	1.9	1.9	1.00
1954	34	MLN	NL	1	1	.500	3.12	12	0	3	0	0	1	17.1	13	6	6	0	9	4	7	0	0	1	71	123	3.15	1.269	6.8	0.0	4.7	3.6	0.78
1955	35	MLN	NL	0	1	.000	inf	1	0	1	0	0	0	0.0	1	1	1	1	0	0	0	0	0	0	1	17
12 Yrs				92	107	.462	3.68	348	189	93	74	15	22	1591.1	1597	740	651	121	538	76	606	20	1	21	6803	105	3.77	1.342	9.0	0.7	3.0	3.4	1.13
162 Game Avg.				12	14	.462	3.68	44	24	12	9	2	3	202	202	94	82	15	68	10	77	3	0	3	861	105	3.77	1.342	9.0	0.7	3.0	3.4	1.13

NYG (10 yrs)				91	104	.467	3.69	332	188	88	74	15	21	1559.2	1563	726	639	119	526	72	596	20	1	20	6668	105	3.78	1.339	9.0	0.7	3.0	3.4	1.13
MLN (2 yrs)				1	2	.333	3.63	13	0	4	0	0	1	17.1	14	7	7	1	9	4	7	0	0	1	72	108	3.15	1.327	7.3	0.5	4.7	3.6	0.78
BAL (1 yr)				0	1	.000	3.14	3	1	1	0	0	0	14.1	20	7	5	1	3	0	3	0	0	0	63	117	3.51	1.605	12.6	0.6	1.9	1.9	1.00

NL (12 yrs)				92	106	.465	3.69	345	188	92	74	15	22	1577.0	1577	733	646	120	535	76	603	20	1	21	6740	105	3.77	1.339	9.0	0.7	3.1	3.4	1.13
AL (1 yr)				0	1	.000	3.14	3	1	1	0	0	0	14.1	20	7	5	1	3	0	3	0	0	0	63	117	3.51	1.605	12.6	0.6	1.9	1.9	1.00