who has the lowest whip in mlb playoff history minimum 50 ip

Zack Wheeler has the lowest career WHIP in the postseason when pitching at least 50 innings, with a WHIP of 0.73.

	NAME	WHIP	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	BABIP	RA	H/9
1	Zack Wheeler Z. Wheeler	0.73	70.1	12	4	3	.571	11	2.18	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	.196	2.43	4.73
2	Mariano Rivera M. Rivera	0.76	141.0	96	8	1	.889	0	0.70	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	.215	0.83	5.49
3	Kenley Jansen K. Jansen	0.80	65.1	59	3	2	.600	0	2.20	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	.211	2.48	4.68
4	Sandy Koufax S. Koufax	0.82	57.0	8	4	3	.571	7	0.95	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	.245	1.58	5.68
5	Christy Mathewson C. Mathewson	0.85	101.2	11	5	5	.500	11	1.06	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	.227	1.95	6.73
6	Herb Pennock H. Pennock	0.85	55.1	10	5	0	1.000	5	1.95	24	4	0	3	39	12	12	3	8	0	5	0	210	0	3.90	1.30	3.00	0.49	11.4	3.8	.206	1.95	6.34
7	Tim Lincecum T. Lincecum	0.85	56.1	13	5	2	.714	6	2.40	65	1	1	0	34	15	16	3	14	1	0	0	217	0	10.38	2.24	4.64	0.48	30.0	6.5	.231	2.56	5.43
8	Eddie Plank E. Plank	0.86	54.2	7	2	5	.286	6	1.32	32	6	0	0	36	8	11	0	11	4	1	1	215	1	5.27	1.81	2.91	0.00	14.9	5.1	.214	1.81	5.93
9	Deacon Phillippe D. Phillippe	0.88	50.0	7	3	2	.600	5	2.70	24	5	0	0	40	15	19	0	4	1	2	0	201	1	4.32	0.72	6.00	0.00	11.9	2.0	.233	3.42	7.20
10	Bob Gibson B. Gibson	0.89	81.0	9	7	2	.778	9	1.89	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	.251	2.11	6.11
11	George Earnshaw G. Earnshaw	0.89	62.2	8	4	3	.571	8	1.58	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	.218	2.01	5.60
12	Madison Bumgarner M. Bumgarner	0.90	102.1	16	8	3	.727	14	2.11	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	.236	2.20	6.51
13	Nolan Ryan N. Ryan	0.90	58.2	9	2	2	.500	7	3.07	63	1	0	1	39	20	23	3	14	0	2	1	226	1	9.66	2.15	4.50	0.46	27.9	6.2	.247	3.53	5.98
14	Cliff Lee C. Lee	0.93	82.0	11	7	3	.700	11	2.52	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	.294	2.96	7.24
15	Josh Beckett J. Beckett	0.94	93.2	14	7	3	.700	13	3.07	99	3	3	0	67	32	32	11	21	4	0	1	366	3	9.51	2.02	4.71	1.06	27.0	5.7	.242	3.07	6.44
16	Stephen Strasburg S. Strasburg	0.94	55.1	9	6	2	.750	8	1.46	71	0	0	0	44	9	13	4	8	1	0	1	218	1	11.55	1.30	8.88	0.65	32.6	3.7	.299	2.11	7.16
17	Carl Mays C. Mays	0.96	57.1	8	3	4	.429	7	2.20	17	5	1	1	47	14	16	0	8	3	1	1	221	0	2.67	1.26	2.13	0.00	7.7	3.6	.244	2.51	7.38
18	Curt Schilling C. Schilling	0.97	133.1	19	11	2	.846	19	2.23	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	.252	2.50	7.02
19	Julio Urías J. Urías	0.97	58.2	23	8	3	.727	6	3.68	60	0	0	1	45	24	25	10	12	0	4	1	232	2	9.20	1.84	5.00	1.53	25.9	5.2	.233	3.84	6.90
20	Masahiro Tanaka M. Tanaka	0.98	54.0	10	5	4	.556	10	3.33	44	0	0	0	38	20	21	6	15	1	0	0	212	2	7.33	2.50	2.93	1.00	20.8	7.1	.219	3.50	6.33
21	Chief Bender C. Bender	1.00	85.0	10	6	4	.600	10	2.44	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	.254	2.96	6.78
22	Lefty Grove L. Grove	1.01	51.1	8	4	2	.667	5	1.75	36	4	0	2	46	10	12	0	6	0	3	0	205	0	6.31	1.05	6.00	0.00	17.6	2.9	.282	2.10	8.06
23	Orval Overall O. Overall	1.01	51.1	8	3	1	.750	5	1.75	35	3	1	0	37	10	11	0	15	1	2	0	203	2	6.14	2.63	2.33	0.00	17.2	7.4	.243	1.93	6.49
24	Yu Darvish Y. Darvish	1.02	71.2	13	5	7	.417	13	3.77	61	0	0	0	58	30	32	18	15	7	0	1	289	1	7.66	1.88	4.07	2.26	21.1	5.2	.213	4.02	7.28
25	Jon Lester J. Lester	1.02	154.0	26	9	7	.563	22	2.51	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	.243	2.69	6.84