season leader era-, live ball era

	NAME	ERA-	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	FIP	FIP-	H/9	PRAA
1	Jose Acosta J. Acosta	110	1920	WSH	17	5	4	.556	5	4.03	9	4	1	1	82.2	92	37	40	1	26	0	10	343	1	0.98	2.83	0.35	0.11	2.6	7.6	1.43	.296	4.35	3.63	103	10.02	-1.2
2	Babe Adams B. Adams	68	1920	PIT	35	17	13	.567	33	2.16	84	18	8	2	263.0	240	63	83	6	18	1	2	1,035	5	2.87	0.62	4.67	0.21	8.1	1.7	0.98	.253	2.84	2.62	79	8.21	20.2
3	Eddie Ainsmith E. Ainsmith		1920	DET
4	Grover Alexander G. Alexander	61	1920	CHC	46	27	14	.659	40	1.91	173	33	7	5	363.1	335	77	96	8	69	1	6	1,447	3	4.29	1.71	2.51	0.20	12.0	4.8	1.11	.273	2.38	2.66	81	8.30	25
5	Nick Allen N. Allen		1920	CIN
6	Ernie Alten E. Alten	240	1920	DET	14	0	1	.000	1	9.00	4	0	0	0	23.0	40	23	27	2	9	1	7	112	0	1.57	3.52	0.44	0.78	3.6	8.0	2.13	.396	10.57	4.84	134	15.65	-3.2
7	Jimmy Austin J. Austin		1920	SLA
8	Doc Ayers D. Ayers	104	1920	DET	46	7	14	.333	23	3.88	103	8	3	1	208.2	217	90	115	6	62	8	16	844	1	4.44	2.67	1.66	0.26	12.2	7.3	1.34	.317	4.96	3.14	87	9.36	10.6
9	Jim Bagby J. Bagby	75	1920	CLE	48	31	12	.721	38	2.89	73	30	3	0	339.2	338	109	122	9	79	5	9	1,355	6	1.93	2.09	0.92	0.24	5.4	5.8	1.23	.277	3.23	3.41	92	8.96	12
10	Gene Bailey G. Bailey		1920	TOT
11	Sweetbread Bailey S. Bailey	227	1920	CHC	21	1	2	.333	1	7.12	8	0	0	0	36.2	55	29	38	1	11	2	12	175	2	1.96	2.70	0.73	0.25	4.6	6.3	1.80	.353	9.33	3.73	114	13.50	-1.8
12	Doug Baird D. Baird		1920	TOT
13	Dave Bancroft D. Bancroft		1920	TOT
14	Walter Barbare W. Barbare		1920	PIT
15	Turner Barber T. Barber		1920	CHC
16	Jesse Barnes J. Barnes	86	1920	NYG	43	20	15	.571	34	2.64	63	23	2	0	292.2	271	86	108	9	56	2	8	1,186	4	1.94	1.72	1.13	0.28	5.3	4.7	1.12	.248	3.32	3.31	103	8.33	-3.9
17	Virgil Barnes V. Barnes	126	1920	NYG	1	0	1	.000	1	3.86	2	0	0	0	7.0	9	3	3	0	1	0	0	30	0	2.57	1.29	2.00	0.00	6.7	3.3	1.43	.333	3.86	2.61	81	11.57	0.5
18	Clyde Barnhart C. Barnhart		1920	PIT
19	Harry Baumgartner H. Baumgartner	107	1920	DET	9	0	1	.000	0	4.00	7	0	0	0	18.0	18	8	10	1	6	0	6	72	0	3.50	3.00	1.17	0.50	9.7	8.3	1.33	.293	5.00	3.69	103	9.00	-0.2
20	Bill Bayne B. Bayne	95	1920	SLA	18	5	6	.455	13	3.70	38	6	1	0	99.2	102	41	51	3	41	7	3	413	1	3.43	3.70	0.93	0.27	9.2	9.9	1.43	.306	4.61	3.82	102	9.21	-0.5
21	Rube Benton R. Benton	99	1920	NYG	33	9	16	.360	25	3.03	52	12	4	2	193.1	222	65	82	8	31	3	5	821	5	2.42	1.44	1.68	0.37	6.3	3.8	1.31	.294	3.82	3.28	102	10.33	-1.8
22	Huck Betts H. Betts	103	1920	PHN	27	1	1	.500	4	3.57	18	1	0	0	88.1	86	35	48	3	33	2	18	376	2	1.83	3.36	0.55	0.31	4.8	8.8	1.35	.259	4.89	3.97	110	8.76	-2.5
23	Harry Biemiller H. Biemiller	130	1920	WSH	5	1	0	1.000	2	4.76	10	1	0	0	17.0	21	9	13	1	13	0	1	79	1	5.29	6.88	0.77	0.53	12.7	16.5	2.00	.364	6.88	4.63	131	11.12	-2.2
24	Carson Bigbee C. Bigbee		1920	PIT
25	Lyle Bigbee L. Bigbee	203	1920	PHA	12	0	3	.000	2	8.00	12	0	0	0	45.0	66	40	42	5	25	0	5	204	3	2.40	5.00	0.48	1.00	5.9	12.3	2.02	.377	8.40	5.33	141	13.20	-7.2