best era as a pitcher with a minimum of 40 innings pitched in july 1977

Gaylord Perry had the lowest ERA when pitching at least 40 innings in July 1977, with an ERA of 1.48.

	NAME	ERA	IP	MONTH	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Gaylord Perry G. Perry	1.48	42.2	July 1977	5	2	2	.500	5	35	3	1	0	41	7	9	0	11	0	0	2	170	0	7.38	2.32	3.18	0.00	20.6	6.5	1.22	.331	1.90	8.65
2	Rick Reuschel R. Reuschel	2.08	47.2	July 1977	8	4	1	.800	7	34	3	3	0	39	11	11	0	9	1	1	0	185	0	6.42	1.70	3.78	0.00	18.4	4.9	1.01	.277	2.08	7.36
3	Mike Flanagan M. Flanagan	2.08	52.0	July 1977	6	5	0	1.000	6	33	5	1	0	43	12	12	3	10	0	0	0	201	1	5.71	1.73	3.30	0.52	16.4	5.0	1.02	.258	2.08	7.44
4	Burt Hooton B. Hooton	2.17	54.0	July 1977	7	3	2	.600	6	34	2	0	1	40	13	16	7	10	0	1	0	207	0	5.67	1.67	3.40	1.17	16.4	4.8	0.93	.212	2.67	6.67
5	J.R. Richard	2.26	51.2	July 1977	7	3	3	.500	7	45	1	1	0	34	13	13	3	18	0	0	0	200	1	7.84	3.14	2.50	0.52	22.5	9.0	1.01	.231	2.26	5.92
6	Bert Blyleven B. Blyleven	2.44	48.0	July 1977	6	4	1	.800	6	40	3	1	0	34	13	13	7	15	3	0	0	187	1	7.50	2.81	2.67	1.31	21.4	8.0	1.02	.221	2.44	6.38
7	Ross Grimsley R. Grimsley	2.47	47.1	July 1977	6	2	1	.667	6	8	2	1	0	44	13	16	4	17	1	0	1	194	0	1.52	3.23	0.47	0.76	4.1	8.8	1.29	.244	3.04	8.37
8	Dave Goltz D. Goltz	2.50	54.0	July 1977	6	4	2	.667	6	40	5	0	0	37	15	18	7	13	0	0	0	210	2	6.67	2.17	3.08	1.17	19.0	6.2	0.93	.200	3.00	6.17
9	Dennis Leonard D. Leonard	2.51	57.1	July 1977	7	4	1	.800	7	43	4	0	0	47	16	20	4	12	1	0	0	230	2	6.75	1.88	3.58	0.63	18.7	5.2	1.03	.253	3.14	7.38
10	Jim Palmer J. Palmer	2.70	53.1	July 1977	7	4	1	.800	7	32	2	0	0	46	16	16	2	15	1	0	0	210	1	5.40	2.53	2.13	0.34	15.2	7.1	1.14	.275	2.70	7.76
11	Doug Rau D. Rau	2.74	42.2	July 1977	6	5	1	.833	6	23	2	1	0	45	13	13	5	9	0	0	0	174	0	4.85	1.90	2.56	1.05	13.2	5.2	1.27	.292	2.74	9.49
12	Dave Rozema D. Rozema	2.86	44.0	July 1977	5	4	1	.800	5	19	5	0	0	46	14	16	6	4	0	0	0	173	0	3.89	0.82	4.75	1.23	11.0	2.3	1.14	.278	3.27	9.41
13	Wilbur Wood W. Wood	2.91	46.1	July 1977	6	4	1	.800	6	13	3	1	0	42	15	16	2	14	0	0	0	188	0	2.53	2.72	0.93	0.39	6.9	7.4	1.21	.252	3.11	8.16
14	Gary Wheelock G. Wheelock	3.05	41.1	July 1977	6	2	2	.500	6	19	1	0	0	41	14	16	4	12	0	0	0	173	3	4.14	2.61	1.58	0.87	11.0	6.9	1.28	.268	3.48	8.93
15	Jerry Koosman J. Koosman	3.07	41.0	July 1977	6	2	3	.400	6	44	0	0	0	27	14	17	3	17	1	0	2	165	1	9.66	3.73	2.59	0.66	26.7	10.3	1.07	.240	3.73	5.93
16	Nolan Ryan N. Ryan	3.09	55.1	July 1977	7	4	3	.571	7	54	6	1	0	33	19	20	2	37	2	0	0	227	4	8.78	6.02	1.46	0.33	23.8	16.3	1.27	.235	3.25	5.37
17	Glenn Abbott G. Abbott	3.12	43.1	July 1977	7	5	0	1.000	6	29	2	0	0	34	15	17	4	8	2	0	0	170	0	6.02	1.66	3.63	0.83	17.1	4.7	0.97	.236	3.53	7.06
18	Mark Lemongello M. Lemongello	3.15	40.0	July 1977	7	2	1	.667	4	17	1	0	0	36	14	14	3	8	0	1	1	161	0	3.83	1.80	2.13	0.68	10.6	5.0	1.10	.248	3.15	8.10
19	Steve Rogers S. Rogers	3.19	42.1	July 1977	6	2	2	.500	6	28	2	1	0	38	15	17	0	10	0	0	0	168	5	5.95	2.13	2.80	0.00	16.7	6.0	1.13	.292	3.61	8.08
20	Fred Norman F. Norman	3.24	50.0	July 1977	8	1	5	.167	7	34	2	0	0	47	18	24	6	16	0	0	2	211	5	6.12	2.88	2.13	1.08	16.1	7.6	1.26	.265	4.32	8.46
21	Francisco Barrios F. Barrios	3.27	44.0	July 1977	5	4	1	.800	5	27	3	0	0	39	16	18	4	11	1	0	0	178	3	5.52	2.25	2.45	0.82	15.2	6.2	1.14	.259	3.68	7.98
22	Moose Haas M. Haas	3.29	41.0	July 1977	6	3	2	.600	6	26	2	0	0	33	15	16	3	15	0	0	0	167	3	5.71	3.29	1.73	0.66	15.6	9.0	1.17	.244	3.51	7.24
23	Dave Freisleben D. Freisleben	3.32	40.2	July 1977	8	3	0	1.000	6	21	1	0	0	36	15	17	4	13	0	0	1	163	1	4.65	2.88	1.62	0.89	12.9	8.0	1.20	.256	3.76	7.97
24	Steve Carlton S. Carlton	3.40	47.2	July 1977	7	4	2	.667	7	28	0	0	0	36	18	23	6	17	1	0	2	194	0	5.29	3.21	1.65	1.13	14.4	8.8	1.11	.211	4.34	6.80
25	Jim Slaton J. Slaton	3.43	42.0	July 1977	6	2	3	.400	6	22	2	0	0	45	16	18	8	12	1	0	1	175	1	4.71	2.57	1.83	1.71	12.6	6.9	1.36	.280	3.86	9.64