lowest playoff earned run average starter 20 ips

Harry Brecheen has the lowest career ERA by a starting pitcher in the postseason when pitching at least 20 innings, with an ERA of 0.67.

Interpreted as:

lowest playoff earned run average starter 20 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	Harry Brecheen H. Brecheen	0.67	27.0	3	3	0	1.000	3	14	3	1	0	20	2	2	0	9	0	0	1	103	0	4.67	3.00	1.56	0.00	13.6	8.7	1.07	.250	0.67	6.67
2	Steve Rogers S. Rogers	0.68	26.2	3	3	0	1.000	3	10	2	1	0	23	2	2	1	4	0	0	1	101	1	3.38	1.35	2.50	0.34	9.9	4.0	1.01	.256	0.68	7.76
3	Blue Moon Odom B. Moon Odom	0.71	25.1	4	2	1	.667	4	18	1	1	0	10	2	3	0	8	0	0	0	92	1	6.39	2.84	2.25	0.00	19.6	8.7	0.71	.152	1.07	3.55
4	Claude Osteen C. Osteen	0.86	21.0	3	1	2	.333	3	7	1	1	0	12	2	3	2	6	0	0	0	77	0	3.00	2.57	1.17	0.86	9.1	7.8	0.86	.161	1.29	5.14
5	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
6	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
7	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
8	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
9	Hippo Vaughn H. Vaughn	1.00	27.0	3	1	2	.333	3	17	3	1	0	17	3	3	0	5	1	0	1	97	0	5.67	1.67	3.40	0.00	17.5	5.2	0.81	.230	1.00	5.67
10	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
11	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
12	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
13	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
14	Sterling Hitchcock S. Hitchcock	1.23	22.0	4	3	0	1.000	4	32	0	0	0	15	3	4	1	9	1	0	1	88	2	13.09	3.68	3.56	0.41	36.4	10.2	1.09	.311	1.64	6.14
15	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
16	Babe Adams B. Adams	1.33	27.0	3	3	0	1.000	3	11	3	1	0	18	4	5	2	6	1	0	0	106	0	3.67	2.00	1.83	0.67	10.4	5.7	0.89	.186	1.67	6.00
17	Pete Schourek P. Schourek	1.35	26.2	4	1	1	.500	4	19	0	0	0	21	4	4	1	10	0	0	0	108	1	6.41	3.38	1.90	0.34	17.6	9.3	1.16	.256	1.35	7.09
18	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
19	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
20	Jon Matlack J. Matlack	1.40	25.2	4	2	2	.500	4	20	1	1	0	12	4	7	2	8	1	0	0	98	0	7.01	2.81	2.50	0.70	20.4	8.2	0.78	.149	2.45	4.21
21	Jim Bouton J. Bouton	1.48	24.1	3	2	1	.667	3	11	1	0	0	19	4	5	0	10	0	0	1	100	2	4.07	3.70	1.10	0.00	11.0	10.0	1.19	.241	1.85	7.03
22	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
23	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
24	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
25	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