lowest world series era pitcher with at least 3 starts after 1950

Since 1951, Madison Bumgarner has the lowest ERA in the World Series when starting 3+ games, with an ERA of 0.25.

	NAME	ERA	GS	SERIES	G	W	L	W%	SO	CG	SHO	SV	IP	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	4	World Series	5	4	0	1.000	31	1	1	1	36.0	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	3	World Series	7	2	0	1.000	19	0	0	1	25.1	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	Walker Buehler W. Buehler	0.47	3	World Series	4	2	0	1.000	24	0	0	1	19.0	7	1	1	0	3	0	1	0	64	0	11.37	1.42	8.00	0.00	37.5	4.7	0.53	.189	0.47	3.32
4	Claude Osteen C. Osteen	0.86	3	World Series	3	1	2	.333	7	1	1	0	21.0	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	Sandy Koufax S. Koufax	0.95	7	World Series	8	4	3	.571	61	4	2	0	57.0	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
6	Josh Beckett J. Beckett	1.16	3	World Series	3	2	1	.667	28	1	1	0	23.1	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
7	Jim Bouton J. Bouton	1.48	3	World Series	3	2	1	.667	11	1	0	0	24.1	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
8	Ron Darling R. Darling	1.53	3	World Series	3	1	1	.500	12	0	0	0	17.2	13	3	4	2	10	1	0	1	75	2	6.11	5.09	1.20	1.02	16.0	13.3	1.30	.220	2.04	6.62
9	Mickey Lolich M. Lolich	1.67	3	World Series	3	3	0	1.000	21	3	0	0	27.0	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
10	Ron Guidry R. Guidry	1.69	4	World Series	4	3	1	.750	26	2	0	0	32.0	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
11	Jon Lester J. Lester	1.77	5	World Series	6	4	1	.800	34	0	0	0	35.2	25	7	8	3	8	1	0	0	137	1	8.58	2.02	4.25	0.76	24.8	5.8	0.93	.242	2.02	6.31
12	Vic Raschi V. Raschi	1.78	5	World Series	6	3	2	.600	26	2	0	0	35.1	33	7	13	4	19	1	0	0	156	0	6.62	4.84	1.37	1.02	16.7	12.2	1.47	.274	3.31	8.41
13	Zack Greinke Z. Greinke	1.80	3	World Series	3	0	0		12	0	0	0	15.0	13	3	3	1	5	0	0	0	59	0	7.20	3.00	2.40	0.60	20.3	8.5	1.20	.293	1.80	7.80
14	Rich Hill R. Hill	1.80	3	World Series	3	0	0		19	0	0	0	15.0	8	3	3	1	7	1	0	2	61	0	11.40	4.20	2.71	0.60	31.1	11.5	1.00	.212	1.80	4.80
15	Bob Gibson B. Gibson	1.89	9	World Series	9	7	2	.778	92	8	2	0	81.0	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
16	Jack Sanford J. Sanford	1.93	3	World Series	3	1	2	.333	19	1	1	0	23.1	16	5	6	1	8	0	0	0	93	1	7.33	3.09	2.38	0.39	20.4	8.6	1.03	.231	2.31	6.17
17	Bruce Hurst B. Hurst	1.96	3	World Series	3	2	0	1.000	17	1	0	0	23.0	18	5	5	1	6	0	0	0	91	0	6.65	2.35	2.83	0.39	18.7	6.6	1.04	.254	1.96	7.04
18	Chris Carpenter C. Carpenter	2.00	4	World Series	4	3	0	1.000	19	0	0	0	27.0	20	6	6	3	5	1	0	0	104	1	6.33	1.67	3.80	1.00	18.3	4.8	0.93	.224	2.00	6.67
19	Curt Schilling C. Schilling	2.06	7	World Series	7	4	1	.800	43	1	1	0	48.0	33	11	13	4	10	2	0	0	184	1	8.06	1.88	4.30	0.75	23.4	5.4	0.90	.232	2.44	6.19
20	Greg Maddux G. Maddux	2.09	5	World Series	5	2	3	.400	18	1	0	0	38.2	28	9	13	1	7	1	0	1	148	0	4.19	1.63	2.57	0.23	12.2	4.7	0.91	.223	3.03	6.52
21	Johnny Podres J. Podres	2.11	6	World Series	6	4	1	.800	18	2	1	0	38.1	29	9	14	3	13	2	0	0	157	0	4.23	3.05	1.38	0.70	11.5	8.3	1.10	.215	3.29	6.81
22	Ed Lopat E. Lopat	2.11	5	World Series	5	3	1	.750	10	3	0	0	38.1	33	9	10	0	11	0	0	4	158	0	2.35	2.58	0.91	0.00	6.3	7.0	1.15	.241	2.35	7.75
23	Scott McGregor S. McGregor	2.12	4	World Series	4	2	2	.500	20	2	1	0	34.0	25	8	8	3	4	0	0	2	129	0	5.29	1.06	5.00	0.79	15.5	3.1	0.85	.216	2.12	6.62
24	David Cone D. Cone	2.12	5	World Series	6	2	0	1.000	19	0	0	0	29.2	16	7	9	0	20	0	0	0	121	1	5.76	6.07	0.95	0.00	15.7	16.5	1.21	.195	2.73	4.85
25	Tom Glavine T. Glavine	2.16	8	World Series	8	4	3	.571	38	3	0	0	58.1	33	14	18	8	20	0	0	0	223	1	5.86	3.09	1.90	1.23	17.0	9.0	0.91	.159	2.78	5.09