The Baltimore Orioles have the lowest WHIP by a team in the postseason, with a WHIP of 1.19.

	TEAM	WHIP	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	BABIP	RA	H/9
1	Orioles	1.19	103	.524	54	49	103	2.80	732	26	8	16	939.0	794	292	333	90	327	23	43	3,878	23	7.02	3.13	2.24	0.86	18.9	8.4	.260	3.19	7.61
2	Astros	1.21	161	.516	83	78	161	3.80	1,476	6	1	32	1464.0	1,249	618	653	200	516	67	37	6,108	50	9.07	3.17	2.86	1.23	24.2	8.4	.273	4.01	7.68
3	Tigers	1.21	135	.485	65	69	135	3.35	963	37	4	23	1210.0	1,087	451	524	89	374	50	31	5,065	41	7.16	2.78	2.57	0.66	19.0	7.4	.278	3.90	8.09
4	Giants	1.21	195	.518	100	93	195	3.32	1,178	50	17	33	1751.0	1,559	645	735	138	560	49	53	7,299	49	6.05	2.88	2.10	0.71	16.1	7.7	.264	3.78	8.01
5	Athletics	1.21	167	.509	85	82	167	3.09	1,006	44	8	38	1492.2	1,338	513	598	122	470	41	41	6,196	44	6.07	2.83	2.14	0.74	16.2	7.6	.267	3.61	8.07
6	Nationals	1.23	46	.522	24	22	46	3.26	379	3	2	11	417.0	354	151	167	46	158	19	20	1,750	14	8.18	3.41	2.40	0.99	21.7	9.0	.268	3.60	7.64
7	Dodgers	1.24	304	.493	150	154	304	3.64	2,298	43	14	56	2694.2	2,313	1,091	1,195	306	1,015	88	117	11,280	83	7.68	3.39	2.26	1.02	20.4	9.0	.265	3.99	7.73
8	Diamondbacks	1.24	57	.491	28	29	57	3.61	461	5	3	9	508.0	435	204	225	59	195	17	12	2,135	21	8.17	3.45	2.36	1.05	21.6	9.1	.268	3.99	7.71
9	White Sox	1.24	62	.484	30	32	62	3.49	345	19	2	11	551.1	505	214	248	40	180	22	16	2,314	14	5.63	2.94	1.92	0.65	14.9	7.8	.269	4.05	8.24
10	Yankees	1.24	444	.576	255	188	444	3.44	2,942	85	15	99	3992.2	3,635	1,528	1,681	385	1,332	107	115	16,698	95	6.63	3.00	2.21	0.87	17.6	8.0	.272	3.79	8.19
11	Phillies	1.25	141	.496	70	71	141	3.57	1,094	12	3	35	1251.0	1,126	496	536	117	432	46	48	5,262	39	7.87	3.11	2.53	0.84	20.8	8.2	.282	3.86	8.10
12	Braves	1.25	211	.483	102	109	211	3.45	1,625	21	7	39	1900.2	1,656	729	821	203	712	53	117	7,967	53	7.69	3.37	2.28	0.96	20.4	8.9	.270	3.89	7.84
13	Red Sox	1.25	203	.540	109	93	203	3.67	1,397	36	7	36	1837.0	1,671	749	829	184	631	89	61	7,744	43	6.84	3.09	2.21	0.90	18.0	8.1	.273	4.06	8.19
14	Royals	1.26	80	.538	43	37	80	3.37	518	9	2	18	720.2	668	270	295	63	237	14	17	3,014	19	6.47	2.96	2.19	0.79	17.2	7.9	.277	3.68	8.34
15	Reds	1.26	99	.495	49	50	99	3.34	566	15	3	20	890.0	782	330	366	82	336	20	48	3,743	23	5.72	3.40	1.68	0.83	15.1	9.0	.256	3.70	7.91
16	Mets	1.26	105	.562	59	46	105	3.41	818	9	3	26	970.1	829	368	399	89	391	35	54	4,106	24	7.59	3.63	2.09	0.83	19.9	9.5	.267	3.70	7.69
17	Blue Jays	1.28	80	.488	39	41	80	4.10	630	2	0	15	715.0	637	326	351	83	280	21	24	3,024	30	7.93	3.52	2.25	1.04	20.8	9.3	.276	4.42	8.02
18	Cubs	1.28	131	.392	51	79	131	3.83	866	25	9	18	1165.2	1,045	496	562	114	452	48	35	4,944	43	6.69	3.49	1.92	0.88	17.5	9.1	.269	4.34	8.07
19	Rangers	1.29	69	.493	34	35	69	3.97	539	3	0	15	623.2	565	275	304	87	237	25	24	2,647	18	7.78	3.42	2.27	1.26	20.4	9.0	.272	4.39	8.15
20	Cardinals	1.29	262	.511	134	128	262	3.53	1,756	41	13	54	2305.0	2,092	905	1,022	243	877	77	113	9,798	62	6.86	3.42	2.00	0.95	17.9	9.0	.270	3.99	8.17
21	Pirates	1.30	97	.443	43	54	97	3.90	523	23	2	19	854.2	812	370	416	79	299	25	36	3,647	24	5.51	3.15	1.75	0.83	14.3	8.2	.269	4.38	8.55
22	Brewers	1.30	63	.397	25	38	63	3.99	497	2	1	15	550.2	513	244	270	68	203	18	20	2,340	20	8.12	3.32	2.45	1.11	21.2	8.7	.286	4.41	8.38
23	Guardians	1.31	131	.496	65	66	131	3.82	1,043	11	3	25	1184.0	1,062	502	551	151	491	45	55	5,035	35	7.93	3.73	2.12	1.15	20.7	9.8	.276	4.19	8.07
24	Padres	1.33	62	.403	25	37	62	4.19	504	1	1	15	535.1	494	249	269	70	219	31	26	2,293	23	8.47	3.68	2.30	1.18	22.0	9.6	.289	4.52	8.31
25	Rays	1.36	64	.438	28	36	64	3.98	548	0	0	11	570.0	551	252	269	91	222	27	14	2,457	31	8.65	3.51	2.47	1.44	22.3	9.0	.293	4.25	8.70