best pitcher in the world series minimum 20 innings pitched

Madison Bumgarner has the lowest career ERA in the World Series when pitching at least 20 innings, with an ERA of 0.25.

	NAME	ERA	IP	SERIES	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	Madison Bumgarner M. Bumgarner	0.25	36.0	World Series	5	4	0	1.000	4	31	1	1	1	14	1	1	1	5	2	1	0	124	0	7.75	1.25	6.20	0.25	25.0	4.0	0.53	.153	0.25	3.50
2	Jack Billingham J. Billingham	0.36	25.1	World Series	7	2	0	1.000	3	19	0	0	1	14	1	3	0	9	1	2	1	98	0	6.75	3.20	2.11	0.00	19.4	9.2	0.91	.203	1.07	4.97
3	Harry Brecheen H. Brecheen	0.83	32.2	World Series	7	4	1	.800	3	18	3	1	0	28	3	3	0	12	0	4	3	129	0	4.96	3.31	1.50	0.00	14.0	9.3	1.22	.283	0.83	7.71
4	Claude Osteen C. Osteen	0.86	21.0	World Series	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	World Series	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	World Series	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	Sandy Koufax S. Koufax	0.95	57.0	World Series	8	4	3	.571	7	61	4	2	0	36	6	10	2	11	0	0	1	213	0	9.63	1.74	5.55	0.32	28.6	5.2	0.82	.245	1.58	5.68
8	Christy Mathewson C. Mathewson	0.97	101.2	World Series	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
9	Mariano Rivera M. Rivera	0.99	36.1	World Series	24	2	1	.667	0	32	0	0	11	27	4	5	1	8	2	19	1	144	0	7.93	1.98	4.00	0.25	22.2	5.6	0.96	.257	1.24	6.69
10	Hippo Vaughn H. Vaughn	1.00	27.0	World Series	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
11	Monte Pearson M. Pearson	1.01	35.2	World Series	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
12	Josh Beckett J. Beckett	1.16	23.1	World Series	3	2	1	.667	3	28	1	1	0	14	3	3	0	6	1	0	0	88	0	10.80	2.31	4.67	0.00	31.8	6.8	0.86	.264	1.16	5.40
13	Babe Adams B. Adams	1.29	28.0	World Series	4	3	0	1.000	3	11	3	1	0	20	4	5	2	6	1	1	0	111	0	3.54	1.93	1.83	0.64	9.9	5.4	0.93	.198	1.61	6.43
14	Eddie Plank E. Plank	1.32	54.2	World Series	7	2	5	.286	6	32	6	0	0	37	8	11	0	11	4	1	1	215	1	5.27	1.81	2.91	0.00	14.9	5.1	0.88	.220	1.81	6.09
15	Clay Carroll C. Carroll	1.33	20.1	World Series	14	2	1	.667	0	17	0	0	1	15	3	3	1	8	0	6	2	82	0	7.52	3.54	2.13	0.44	20.7	9.8	1.13	.250	1.33	6.64
16	Rollie Fingers R. Fingers	1.35	33.1	World Series	16	2	2	.500	0	25	0	0	6	25	5	9	2	10	3	10	3	135	1	6.75	2.70	2.50	0.54	18.5	7.4	1.05	.242	2.43	6.75
17	Bill Hallahan B. Hallahan	1.36	39.2	World Series	7	3	1	.750	5	27	3	2	1	29	6	6	0	23	1	1	1	172	1	6.13	5.22	1.17	0.00	15.7	13.4	1.31	.240	1.36	6.58
18	Jim Bouton J. Bouton	1.48	24.1	World Series	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
19	Mike Stanton M. Stanton	1.54	23.1	World Series	20	3	0	1.000	0	20	0	0	1	14	4	4	0	5	0	8	4	84	0	7.71	1.93	4.00	0.00	23.8	6.0	0.81	.237	1.54	5.40
20	Orval Overall O. Overall	1.58	51.1	World Series	8	3	1	.750	5	35	3	1	0	37	9	11	0	15	1	2	0	203	2	6.14	2.63	2.33	0.00	17.2	7.4	1.01	.243	1.93	6.49
21	George Earnshaw G. Earnshaw	1.58	62.2	World Series	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
22	Spud Chandler S. Chandler	1.62	33.1	World Series	6	2	2	.500	4	16	2	1	1	28	6	8	0	9	0	1	0	133	0	4.32	2.43	1.78	0.00	12.0	6.8	1.11	.259	2.16	7.56
23	Mickey Lolich M. Lolich	1.67	27.0	World Series	3	3	0	1.000	3	21	3	0	0	20	5	5	2	6	1	0	0	104	0	7.00	2.00	3.50	0.67	20.2	5.8	0.96	.243	1.67	6.67
24	Jesse Haines J. Haines	1.67	32.1	World Series	6	3	1	.750	4	12	2	1	0	24	6	9	3	16	0	1	1	133	1	3.34	4.45	0.75	0.84	9.0	12.0	1.24	.206	2.51	6.68
25	Ron Guidry R. Guidry	1.69	32.0	World Series	4	3	1	.750	4	26	2	0	0	20	6	6	4	14	0	0	0	125	0	7.31	3.94	1.86	1.13	20.8	11.2	1.06	.198	1.69	5.63