which pitcher has the lowest career era in the postseason (minimum 60 ip)

Mariano Rivera has the lowest career ERA in the postseason when pitching at least 60 innings, with an ERA of 0.70.

	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	Mariano Rivera M. Rivera	0.70	141.0	96	8	1	.889	0	110	0	0	42	86	11	13	2	21	3	78	4	527	3	7.02	1.34	5.24	0.13	20.9	4.0	0.76	.215	0.83	5.49
2	Christy Mathewson C. Mathewson	1.06	101.2	11	5	5	.500	11	48	10	4	0	76	12	22	1	10	1	0	3	391	1	4.25	0.89	4.80	0.09	12.3	2.6	0.85	.227	1.95	6.73
3	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
4	Waite Hoyt W. Hoyt	1.83	83.2	12	6	4	.600	11	49	6	1	0	81	17	28	2	22	1	1	0	345	0	5.27	2.37	2.23	0.22	14.2	6.4	1.23	.292	3.01	8.71
5	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
6	Fernando Valenzuela F. Valenzuela	1.98	63.2	9	5	1	.833	8	44	2	0	0	47	14	14	3	31	0	0	7	259	3	6.22	4.38	1.42	0.42	17.0	12.0	1.23	.243	1.98	6.64
7	Madison Bumgarner M. Bumgarner	2.11	102.1	16	8	3	.727	14	87	3	3	1	74	24	25	8	18	5	1	2	398	0	7.65	1.58	4.83	0.70	21.9	4.5	0.90	.236	2.20	6.51
8	Art Nehf A. Nehf	2.16	79.0	12	4	4	.500	9	28	6	2	0	50	19	23	2	32	1	1	1	310	2	3.19	3.65	0.88	0.23	9.0	10.3	1.04	.194	2.62	5.70
9	Zack Wheeler Z. Wheeler	2.18	70.1	12	4	3	.571	11	77	0	0	0	37	17	19	5	14	5	0	0	264	1	9.85	1.79	5.50	0.64	29.2	5.3	0.73	.196	2.43	4.73
10	Kenley Jansen K. Jansen	2.20	65.1	59	3	2	.600	0	94	0	0	20	34	16	18	7	18	3	47	3	250	0	12.95	2.48	5.22	0.96	37.6	7.2	0.80	.211	2.48	4.68
11	Curt Schilling C. Schilling	2.23	133.1	19	11	2	.846	19	120	4	2	0	104	33	37	12	25	3	0	0	525	1	8.10	1.69	4.80	0.81	22.9	4.8	0.97	.252	2.50	7.02
12	Vic Raschi V. Raschi	2.24	60.1	11	5	3	.625	8	43	3	1	0	52	15	21	5	25	1	0	1	254	0	6.41	3.73	1.72	0.75	16.9	9.8	1.28	.261	3.13	7.76
13	Ken Holtzman K. Holtzman	2.30	70.1	13	6	4	.600	12	39	2	1	0	61	18	22	2	18	0	0	1	286	1	4.99	2.30	2.17	0.26	13.6	6.3	1.12	.260	2.82	7.81
14	Chief Bender C. Bender	2.44	85.0	10	6	4	.600	10	59	9	1	0	64	23	28	1	21	2	0	0	331	1	6.25	2.22	2.81	0.11	17.8	6.3	1.00	.254	2.96	6.78
15	Dave McNally D. McNally	2.49	90.1	14	7	4	.636	12	65	6	2	0	65	25	30	12	34	1	2	2	364	5	6.48	3.39	1.91	1.20	17.9	9.3	1.10	.210	2.99	6.48
16	Jon Lester J. Lester	2.51	154.0	26	9	7	.563	22	133	0	0	0	117	43	46	15	40	3	2	0	610	4	7.77	2.34	3.33	0.88	21.8	6.6	1.02	.243	2.69	6.84
17	Cliff Lee C. Lee	2.52	82.0	11	7	3	.700	11	89	3	0	0	66	23	27	2	10	1	0	0	320	2	9.77	1.10	8.90	0.22	27.8	3.1	0.93	.294	2.96	7.24
18	Orlando Hernandez O. Hernandez	2.55	106.0	19	9	3	.750	14	107	0	0	0	77	30	32	10	55	4	0	3	443	1	9.08	4.67	1.95	0.85	24.2	12.4	1.25	.251	2.72	6.54
19	Orel Hershiser O. Hershiser	2.59	132.0	22	8	3	.727	18	97	4	2	1	103	38	43	8	43	6	2	5	533	6	6.61	2.93	2.26	0.55	18.2	8.1	1.11	.251	2.93	7.02
20	Jim Palmer J. Palmer	2.61	124.1	17	8	3	.727	15	90	6	2	0	101	36	36	10	50	2	1	4	518	6	6.51	3.62	1.80	0.72	17.4	9.7	1.21	.249	2.61	7.31
21	Red Ruffing R. Ruffing	2.63	85.2	10	7	2	.778	10	61	8	0	0	74	25	32	4	27	0	0	2	352	0	6.41	2.84	2.26	0.42	17.3	7.7	1.18	.269	3.36	7.77
22	Tommy John T. John	2.65	88.1	14	6	3	.667	13	48	3	1	0	82	26	36	6	24	4	1	1	367	4	4.89	2.45	2.00	0.61	13.1	6.5	1.20	.267	3.67	8.35
23	John Smoltz J. Smoltz	2.67	209.0	41	15	4	.789	27	199	2	1	4	172	62	67	17	67	3	11	6	856	6	8.57	2.89	2.97	0.73	23.2	7.8	1.14	.272	2.89	7.41
24	Bullet Joe Bush B. Joe Bush	2.67	60.2	9	2	5	.286	6	18	5	0	1	49	18	20	2	20	1	3	2	237	0	2.67	2.97	0.90	0.30	7.6	8.4	1.14	.240	2.97	7.27
25	Whitey Ford W. Ford	2.71	146.0	22	10	8	.556	22	94	7	3	0	132	44	51	8	34	3	0	2	594	4	5.79	2.10	2.76	0.49	15.8	5.7	1.14	.273	3.14	8.14