lowest playoff earned run average starter 30 ips

Babe Ruth has the best career ERA by a starting pitcher in the postseason when pitching at least 30 innings, with an ERA of 0.87.

Interpreted as:

lowest playoff earned run average starter 30 or more ips

	NAME	ERA	IP	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	Babe Ruth B. Ruth	0.87	31.0	3	3	0	1.000	3	8	2	1	0	19	3	3	1	10	1	0	0	116	1	2.32	2.90	0.80	0.29	6.9	8.6	0.94	.188	0.87	5.52
2	Sherry Smith S. Smith	0.89	30.1	3	1	2	.333	3	5	3	0	0	17	3	4	0	9	0	0	1	110	0	1.48	2.67	0.56	0.00	4.5	8.2	0.86	.177	1.19	5.04
3	Christy Mathewson C. Mathewson	0.97	101.2	11	5	5	.500	11	48	10	4	0	75	11	22	1	10	1	0	3	391	1	4.25	0.89	4.80	0.09	12.3	2.6	0.84	.224	1.95	6.64
4	Sandy Koufax S. Koufax	0.98	55.0	7	4	3	.571	7	60	4	2	0	36	6	10	2	11	0	0	1	207	0	9.82	1.80	5.45	0.33	29.0	5.3	0.85	.254	1.64	5.89
5	Monte Pearson M. Pearson	1.01	35.2	4	4	0	1.000	4	28	3	1	0	19	4	5	1	7	0	0	0	133	0	7.07	1.77	4.00	0.25	21.1	5.3	0.73	.186	1.26	4.79
6	Spud Chandler S. Chandler	1.16	31.0	4	2	2	.500	4	15	2	1	0	24	4	6	0	6	0	0	0	119	0	4.35	1.74	2.50	0.00	12.6	5.0	0.97	.245	1.74	6.97
7	Eddie Plank E. Plank	1.17	54.0	6	2	4	.333	6	32	6	0	0	36	7	10	0	11	4	0	1	211	1	5.33	1.83	2.91	0.00	15.2	5.2	0.87	.220	1.67	6.00
8	Bill Hallahan B. Hallahan	1.21	37.1	5	3	1	.750	5	26	3	2	0	27	5	5	0	20	1	0	1	160	1	6.27	4.82	1.30	0.00	16.3	12.5	1.26	.239	1.21	6.51
9	Ian Anderson I. Anderson	1.26	35.2	8	4	0	1.000	8	40	0	0	0	20	5	5	1	17	2	0	0	145	1	10.09	4.29	2.35	0.25	27.6	11.7	1.04	.224	1.26	5.05
10	George Mullin G. Mullin	1.38	52.0	6	3	3	.500	6	35	6	1	0	40	8	16	1	12	3	0	0	207	0	6.06	2.08	2.92	0.17	16.9	5.8	1.00	.250	2.77	6.92
11	Orval Overall O. Overall	1.38	39.0	5	3	1	.750	5	27	3	1	0	27	6	8	0	11	0	0	0	152	1	6.23	2.54	2.45	0.00	17.8	7.2	0.97	.237	1.85	6.23
12	Ranger Suárez R. Suárez	1.49	36.1	8	3	1	.750	8	39	0	0	0	26	6	7	2	12	1	0	0	148	0	9.66	2.97	3.25	0.50	26.4	8.1	1.05	.255	1.73	6.44
13	Stephen Strasburg S. Strasburg	1.55	52.1	8	5	2	.714	8	67	0	0	0	42	9	13	4	8	1	0	1	208	1	11.52	1.38	8.38	0.69	32.2	3.8	0.96	.297	2.24	7.22
14	Mickey Lolich M. Lolich	1.57	46.0	5	3	1	.750	5	31	3	0	0	34	8	9	3	11	1	0	0	180	0	6.07	2.15	2.82	0.59	17.2	6.1	0.98	.231	1.76	6.65
15	George Earnshaw G. Earnshaw	1.58	62.2	8	4	3	.571	8	56	5	1	0	39	11	14	2	17	0	0	1	245	1	8.04	2.44	3.29	0.29	22.9	6.9	0.89	.218	2.01	5.60
16	Scott McGregor S. McGregor	1.63	49.2	6	3	3	.500	6	26	3	2	0	37	9	10	3	8	0	0	2	189	0	4.71	1.45	3.25	0.54	13.8	4.2	0.91	.224	1.81	6.70
17	Stan Coveleski S. Coveleski	1.74	41.1	5	3	2	.600	5	11	4	1	0	31	8	9	2	7	0	0	0	162	0	2.40	1.52	1.57	0.44	6.8	4.3	0.92	.204	1.96	6.75
18	Jesse Haines J. Haines	1.76	30.2	4	3	1	.750	4	10	2	1	0	23	6	9	3	15	0	0	1	126	1	2.93	4.40	0.67	0.88	7.9	11.9	1.24	.204	2.64	6.75
19	Carl Hubbell C. Hubbell	1.79	50.1	6	4	2	.667	6	32	4	0	0	40	10	18	3	12	1	0	2	204	1	5.72	2.15	2.67	0.54	15.7	5.9	1.03	.237	3.22	7.15
20	Ernie Shore E. Shore	1.82	34.2	4	3	1	.750	4	15	3	0	0	24	7	10	0	12	1	0	0	137	0	3.89	3.12	1.25	0.00	10.9	8.8	1.04	.220	2.60	6.23
21	Waite Hoyt W. Hoyt	1.85	82.2	11	6	4	.600	11	47	6	1	0	81	17	28	2	22	1	0	0	342	0	5.12	2.40	2.14	0.22	13.7	6.4	1.25	.293	3.05	8.82
22	Bob Gibson B. Gibson	1.89	81.0	9	7	2	.778	9	92	8	2	0	55	17	19	6	17	2	0	3	312	2	10.22	1.89	5.41	0.67	29.5	5.4	0.89	.251	2.11	6.11
23	Lefty Tyler L. Tyler	1.91	33.0	4	1	1	.500	4	8	1	0	0	22	7	9	0	14	0	0	1	133	0	2.18	3.82	0.57	0.00	6.0	10.5	1.09	.198	2.45	6.00
24	Art Nehf A. Nehf	1.98	77.1	9	4	4	.500	9	28	6	2	0	48	17	21	1	31	1	0	2	301	2	3.26	3.61	0.90	0.12	9.3	10.3	1.02	.196	2.44	5.59
25	Fernando Valenzuela F. Valenzuela	2.00	63.0	8	5	1	.833	8	44	2	0	0	47	14	14	3	29	0	0	6	255	3	6.29	4.14	1.52	0.43	17.3	11.4	1.21	.246	2.00	6.71