Len Barker played 11 seasons for 4 teams, including the Indians and Braves. He had 74 wins, 76 losses, an ERA of 4.34 and 975 strikeouts.

Interpreted as:

Len Barker stats vs players in his career

	NAME	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Len Barker L. Barker	1976	TEX	2	1	0	1.000	2	2.40	7	1	1	0	15.0	7	4	4	0	6	2	0	0	56	1	4.20	3.60	1.17	0.00	12.5	10.7	0.87	.171	2.40	69	3.29	95	4.20	0.3
2	Len Barker L. Barker	1977	TEX	15	4	1	.800	3	2.66	51	0	0	1	47.1	36	14	15	1	24	1	7	3	196	5	9.70	4.56	2.13	0.19	26.0	12.2	1.27	.294	2.85	66	2.43	61	6.85	8.2
3	Len Barker L. Barker	1978	TEX	29	1	5	.167	0	4.82	33	0	0	4	52.1	63	28	31	6	29	2	15	2	243	6	5.68	4.99	1.14	1.03	13.6	11.9	1.76	.329	5.33	128	4.58	123	10.83	-5.1
4	Len Barker L. Barker	1979	CLE	29	6	6	.500	19	4.92	93	2	0	0	137.1	146	75	79	6	70	2	3	1	609	10	6.09	4.59	1.33	0.39	15.3	11.5	1.57	.320	5.18	118	3.51	84	9.57	10.3
5	Len Barker L. Barker	1980	CLE	36	19	12	.613	36	4.17	187	8	1	0	246.1	237	114	127	17	92	3	0	3	1,052	14	6.83	3.36	2.03	0.62	17.8	8.7	1.34	.292	4.64	103	3.28	81	8.66	20.5
6	Len Barker L. Barker	1981	CLE	22	8	7	.533	22	3.91	127	9	3	0	154.1	150	67	72	7	46	1	0	0	660	5	7.41	2.68	2.76	0.41	19.2	7.0	1.27	.299	4.20	105	2.45	65	8.75	22.7
7	Len Barker L. Barker	1982	CLE	33	15	11	.577	33	3.90	187	10	1	0	244.2	211	106	117	17	88	3	0	2	1,021	10	6.88	3.24	2.13	0.63	18.3	8.6	1.22	.267	4.30	94	3.20	77	7.76	25.5
8	Len Barker L. Barker	1983	TOT	30	9	16	.360	30	4.88	126	4	1	0	182.2	181	99	109	16	66	2	0	5	776	8	6.21	3.25	1.91	0.79	16.2	8.5	1.35	.292	5.37	120	3.62	91	8.92	7.1
9	Len Barker L. Barker	1984	ATL	21	7	8	.467	20	3.85	95	1	0	0	126.1	120	54	59	10	38	2	0	2	528	3	6.77	2.71	2.50	0.71	18.0	7.2	1.25	.287	4.20	101	3.24	87	8.55	7.1
10	Len Barker L. Barker	1985	ATL	20	2	9	.182	18	6.35	47	0	0	0	73.2	84	52	55	10	37	1	1	1	335	3	5.74	4.52	1.27	1.22	14.0	11.0	1.64	.308	6.72	167	4.72	124	10.26	-7
11	Len Barker L. Barker	1987	MIL	11	2	1	.667	11	5.36	22	0	0	0	43.2	54	26	27	6	17	2	0	1	198	0	4.53	3.50	1.29	1.24	11.1	8.6	1.63	.318	5.56	118	4.94	112	11.13	-2.6
	Total			248	74	76	.493	194	4.34	975	35	7	5	1323.2	1,289	639	695	96	513	21	26	20	5,674	65	6.63	3.49	1.90	0.65	17.2	9.0	1.36	.293	4.73	109	3.39	85	8.76	86.9