best era as a pitcher with a minimum of 40 innings pitched in september 1979

Eric Rasmussen had the best ERA when pitching at least 40 innings in September 1979, with an ERA of 1.03.

	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	Eric Rasmussen E. Rasmussen	1.03	43.2	September 1979	8	3	1	.750	5	15	3	3	1	27	5	5	1	6	0	2	0	164	0	3.09	1.24	2.50	0.21	9.1	3.7	0.76	.183	1.03	5.56
2	J.R. Richard	1.24	58.0	September 1979	7	4	1	.800	7	69	4	2	0	33	8	9	1	15	1	0	2	221	3	10.71	2.33	4.60	0.16	31.2	6.8	0.83	.237	1.40	5.12
3	Jerry Reuss J. Reuss	1.25	43.1	September 1979	6	3	2	.600	6	25	2	1	0	30	6	12	1	13	0	0	0	175	0	5.19	2.70	1.92	0.21	14.3	7.4	0.99	.213	2.49	6.23
4	Mike Flanagan M. Flanagan	1.71	47.1	September 1979	6	4	2	.667	6	32	2	0	0	32	9	13	4	17	0	0	0	184	0	6.08	3.23	1.88	0.76	17.4	9.2	1.04	.214	2.47	6.08
5	Rick Sutcliffe R. Sutcliffe	1.89	47.2	September 1979	6	4	1	.800	6	26	2	1	0	27	10	11	2	15	0	0	1	183	2	4.91	2.83	1.73	0.38	14.2	8.2	0.88	.179	2.08	5.10
6	John Fulgham J. Fulgham	2.08	43.1	September 1979	6	3	2	.600	5	25	3	0	0	27	10	11	3	8	1	0	0	162	0	5.19	1.66	3.13	0.62	15.4	4.9	0.81	.192	2.28	5.61
7	Tom Underwood T. Underwood	2.09	43.0	September 1979	5	3	0	1.000	5	22	2	0	0	37	10	11	2	9	0	0	0	166	1	4.60	1.88	2.44	0.42	13.3	5.4	1.07	.263	2.30	7.74
8	Dennis Lamp D. Lamp	2.17	49.2	September 1979	7	1	3	.250	7	13	2	0	0	48	12	19	2	14	0	0	2	202	0	2.36	2.54	0.93	0.36	6.4	6.9	1.25	.266	3.44	8.70
9	David Palmer D. Palmer	2.40	41.1	September 1979	5	4	0	1.000	5	20	1	0	0	39	11	11	3	6	0	0	0	162	0	4.35	1.31	3.33	0.65	12.3	3.7	1.09	.271	2.40	8.49
10	Bob Forsch B. Forsch	2.40	45.0	September 1979	7	4	1	.800	6	17	2	0	0	40	12	14	1	8	1	0	0	178	0	3.40	1.60	2.13	0.20	9.6	4.5	1.07	.258	2.80	8.00
11	Randy Lerch R. Lerch	2.45	51.1	September 1979	7	3	2	.600	7	33	2	1	0	46	14	14	1	17	0	0	0	207	1	5.79	2.98	1.94	0.18	15.9	8.2	1.23	.288	2.45	8.06
12	Dennis Leonard D. Leonard	2.45	58.2	September 1979	7	4	3	.571	7	38	5	3	0	47	16	16	4	14	1	0	1	228	2	5.83	2.15	2.71	0.61	16.7	6.1	1.04	.251	2.45	7.21
13	Bob Shirley B. Shirley	2.47	43.2	September 1979	7	2	3	.400	6	18	2	0	0	35	12	17	5	12	2	1	1	175	0	3.71	2.47	1.50	1.03	10.3	6.9	1.08	.217	3.50	7.21
14	Phil Niekro P. Niekro	2.65	68.0	September 1979	8	4	3	.571	8	45	5	0	0	56	20	29	11	13	2	0	0	273	0	5.96	1.72	3.46	1.46	16.5	4.8	1.01	.223	3.84	7.41
15	Steve Comer S. Comer	2.70	46.2	September 1979	7	4	2	.667	7	9	2	0	0	39	14	19	6	12	2	0	0	190	1	1.74	2.31	0.75	1.16	4.7	6.3	1.09	.205	3.66	7.52
16	Joe Niekro J. Niekro	2.74	46.0	September 1979	7	3	3	.500	7	21	2	1	0	42	14	15	0	17	1	0	0	190	6	4.11	3.33	1.24	0.00	11.1	8.9	1.28	.278	2.93	8.22
17	Jack Morris J. Morris	2.79	42.0	September 1979	6	4	2	.667	6	24	3	1	0	34	13	14	3	13	1	0	1	169	4	5.14	2.79	1.85	0.64	14.2	7.7	1.12	.242	3.00	7.29
18	Geoff Zahn G. Zahn	2.79	48.1	September 1979	7	3	2	.600	6	16	2	0	0	54	15	19	1	10	0	0	0	200	0	2.98	1.86	1.60	0.19	8.0	5.0	1.32	.306	3.54	10.06
19	Bill Lee B. Lee	2.91	43.1	September 1979	6	3	0	1.000	6	17	2	0	0	50	14	15	2	8	0	0	0	183	0	3.53	1.66	2.13	0.42	9.3	4.4	1.34	.308	3.12	10.38
20	Tommy John T. John	2.98	51.1	September 1979	6	3	3	.500	6	22	3	0	0	50	17	21	2	9	1	0	0	206	1	3.86	1.58	2.44	0.35	10.7	4.4	1.15	.279	3.68	8.77
21	Ron Guidry R. Guidry	3.07	44.0	September 1979	6	4	1	.800	6	45	3	0	0	39	15	19	5	16	0	0	0	184	1	9.20	3.27	2.81	1.02	24.5	8.7	1.25	.288	3.89	7.98
22	Bob Stanley B. Stanley	3.12	43.1	September 1979	7	3	3	.500	7	12	2	2	0	48	15	21	5	9	1	0	0	180	0	2.49	1.87	1.33	1.04	6.7	5.0	1.32	.281	4.36	9.97
23	Jerry Koosman J. Koosman	3.19	48.0	September 1979	7	3	2	.600	7	26	2	1	0	45	17	19	3	9	0	0	0	196	2	4.88	1.69	2.89	0.56	13.3	4.6	1.13	.266	3.56	8.44
24	Steve Carlton S. Carlton	3.19	48.0	September 1979	7	5	0	1.000	7	50	1	1	0	33	17	18	4	15	1	0	0	188	1	9.38	2.81	3.33	0.75	26.6	8.0	1.00	.246	3.38	6.19
25	Ken Kravec K. Kravec	3.27	44.0	September 1979	6	4	1	.800	6	20	2	1	0	38	16	16	2	16	1	0	0	176	0	4.09	3.27	1.25	0.41	11.4	9.1	1.23	.263	3.27	7.77