Sonny Boy Jeffries - Seamheads Negro Leagues Database

Sonny Boy Jeffries

Nathaniel Jeffries

Born: August 5, 1914 in Rochester, NY
Died: April 17, 1995 in Rochester, NY
(80 years old)

Bats: R

Throws: R

Ht: 5'11"

Wt: 154

About Graph

Biographical
Wikipedia	BR Bullpen	SABR Bio Project	SABR Index

Photos & Videos
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Notes:

Pitching

Basic Pitching

Year	Team	Lg	Age	Pos	W	L	W%	G	GS	GF	CG	SHO	SV	IP	R	ER	H	HR	BB	K	WP	BK	HBP	BF	ERA	ERA+
1940	HG	NN2	25	RP	2	0	1.000	4	1		1	1	0	18.0	8	8	21		4	6	0		0		4.00	122
1948	NBY	NN2	33	SP	0	0		2	1		0	0	0	5.1	3	2	4	1	3	1	0		0	24	3.38	104
2	2			RP	2	0	1.000	6	2		1	1	0	23.1	11	10	25	1	7	7	0		0	24	3.86	117
162 Game Average					17	0	1.000	51	17		9	9	0	198.1	94	85	213	23	60	60	0		0	544	3.86	117

Year	Team	Lg	Age	Pos	W	L	W%	G	GS	GF	CG	SHO	SV	IP	R	ER	H	HR	BB	K	WP	BK	HBP	BF	ERA	ERA+
1	Homestead Grays			SP	2	0	1.000	4	1		1	1	0	18.0	8	8	21		4	6	0		0		4.00	122
1	New York Black Yankees			RP	0	0		2	1		0	0	0	5.1	3	2	4	1	3	1	0		0	24	3.38	104

Advanced Pitching

Year	Team	Lg	Age	Pos	IP		WHIP	Lg		K%	Lg		BB%	Lg		K/BB	Lg		HR%	Lg
1940	HG	NN2	25	RP	18.0		1.39	1.50		7.8%	11.2%		5.2%	9.1%		1.50	1.23
1948	NBY	NN2	33	SP	5.1		1.31	1.37		4.2%	13.2%		12.5%	8.4%		0.33	1.58		4.2%	0.7%
2	2			RP	23.1		1.37	1.47		6.9%	11.7%		6.9%	8.9%		1.00	1.31		4.2%	0.7%

Year	Team	Lg	Age	Pos	IP		WHIP	Lg		K%	Lg		BB%	Lg		K/BB	Lg		HR%	Lg
1	Homestead Grays			SP	18.0		1.39	1.50		7.8%	11.2%		5.2%	9.1%		1.50	1.23
1	New York Black Yankees			RP	5.1		1.31	1.37		4.2%	13.2%		12.5%	8.4%		0.33	1.58		4.2%	0.7%

Opponent's Batting

Year	Team	Lg	Age	Pos	G	PA	AB	R	H	2B	3B	HR	SB	CS	BB	SO	IBB	HBP	SH	SF	DP	BA	OBP	SLG	OPS
1940	HG	NN2	25	RP	4			8	21						4	6		0
1948	NBY	NN2	33	SP	2	24	20	3	4	0	0	1	0		3	1		0	1		0	.200	.304	.350	.654
2	2			RP	6	24	20	11	25	0	0	1	0		7	7		0	1		0	.200	.304	.350	.654

Year	Team	Lg	Age	Pos	G	PA	AB	R	H	2B	3B	HR	SB	CS	BB	SO	IBB	HBP	SH	SF	DP	BA	OBP	SLG	OPS
1	Homestead Grays			SP	4			8	21						4	6		0				.000	.000	.000	.000
1	New York Black Yankees			RP	2	24	20	3	4	0	0	1	0		3	1		0	1		0	.200	.304	.350	.654

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