The New York Mets had their lowest WHIP with more than 15.0 innings pitched in a season in 1968, with a WHIP of 1.13.

	TEAM	WHIP	IP	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	BABIP	RA	H/9
1	Mets	1.13	1483.1	1968	163	.451	73	89	163	2.72	1,014	45	17	33	1,250	449	499	87	430	45	67	6,028	59	6.15	2.61	2.36	0.53	16.8	7.1	.261	3.03	7.58
2	Mets	1.15	1449.0	1976	162	.531	86	76	162	2.94	1,025	53	17	25	1,248	473	538	97	419	23	56	5,908	43	6.37	2.60	2.45	0.60	17.3	7.1	.265	3.34	7.75
3	Mets	1.15	1439.0	1988	160	.625	100	60	160	2.91	1,100	31	17	46	1,253	465	532	78	404	35	33	5,877	41	6.88	2.53	2.72	0.49	18.7	6.9	.276	3.33	7.84
4	Mets	1.18	1462.2	2015	162	.556	90	72	162	3.43	1,337	1	1	50	1,341	557	613	152	383	44	43	6,046	46	8.23	2.36	3.49	0.94	22.1	6.3	.288	3.77	8.25
5	Mets	1.18	1468.1	1969	162	.617	100	62	162	2.99	1,012	51	16	35	1,217	487	541	119	517	29	70	6,027	56	6.20	3.17	1.96	0.73	16.8	8.6	.252	3.32	7.46
6	Mets	1.18	1438.2	2022	162	.623	101	61	162	3.57	1,565	0	0	41	1,274	570	606	169	428	71	13	5,950	35	9.79	2.68	3.66	1.06	26.3	7.2	.297	3.79	7.97
7	Mets	1.20	1466.1	1971	162	.512	83	79	162	2.99	1,157	42	9	22	1,227	487	550	100	529	40	63	6,078	41	7.10	3.25	2.19	0.61	19.0	8.7	.265	3.38	7.53
8	Mets	1.22	1484.0	1986	162	.667	108	54	162	3.11	1,083	27	7	46	1,304	513	578	103	509	31	29	6,165	40	6.57	3.09	2.13	0.62	17.6	8.3	.271	3.51	7.91
9	Mets	1.22	1488.0	1985	162	.605	98	64	162	3.11	1,039	32	12	37	1,306	514	568	111	515	18	36	6,146	41	6.28	3.11	2.02	0.67	16.9	8.4	.268	3.44	7.90
10	Mets	1.23	1379.1	2021	162	.475	77	85	162	3.90	1,453	2	1	41	1,221	597	668	190	475	70	21	5,785	53	9.48	3.10	3.06	1.24	25.1	8.2	.287	4.36	7.97
11	Mets	1.23	1454.1	1989	162	.537	87	75	162	3.29	1,108	24	7	38	1,260	532	595	115	532	26	45	6,098	50	6.86	3.29	2.08	0.71	18.2	8.7	.265	3.68	7.80
12	Mets	1.24	1414.2	1972	156	.532	83	73	156	3.26	1,059	32	8	41	1,263	513	578	118	486	30	63	5,897	53	6.74	3.09	2.18	0.75	18.0	8.2	.272	3.68	8.04
13	Mets	1.24	1440.0	1990	162	.562	91	71	162	3.43	1,217	18	7	41	1,339	548	613	119	444	27	35	6,009	51	7.61	2.78	2.74	0.74	20.3	7.4	.290	3.83	8.37
14	Mets	1.25	1465.0	1973	161	.509	82	79	161	3.26	1,027	47	9	40	1,345	531	588	127	490	23	67	6,127	39	6.31	3.01	2.10	0.78	16.8	8.0	.273	3.61	8.26
15	Mets	1.26	1459.2	1970	162	.512	83	79	162	3.45	1,064	47	10	32	1,260	559	630	135	575	26	96	6,134	48	6.56	3.55	1.85	0.83	17.3	9.4	.260	3.88	7.77
16	Mets	1.26	1442.1	2024	162	.549	89	73	162	3.96	1,455	1	1	39	1,232	634	697	165	586	94	7	6,098	67	9.08	3.66	2.48	1.03	23.9	9.6	.281	4.35	7.69
17	Mets	1.26	1437.1	1991	161	.478	77	84	161	3.56	1,028	12	4	39	1,403	568	646	108	410	25	41	6,030	59	6.44	2.57	2.51	0.68	17.0	6.8	.290	4.04	8.79
18	Mets	1.27	1460.2	2018	162	.475	77	85	162	4.07	1,446	3	1	41	1,364	661	707	185	484	71	32	6,178	26	8.91	2.98	2.99	1.14	23.4	7.8	.295	4.36	8.40
19	Mets	1.27	1447.0	2016	162	.537	87	75	162	3.57	1,396	1	1	55	1,397	574	617	152	439	35	39	6,067	50	8.68	2.73	3.18	0.95	23.0	7.2	.308	3.84	8.69
20	Mets	1.28	1463.2	2014	162	.488	79	83	162	3.49	1,303	1	1	42	1,370	568	618	141	509	50	38	6,170	56	8.01	3.13	2.56	0.87	21.1	8.2	.295	3.80	8.42
21	Mets	1.28	1445.2	2001	162	.506	82	80	162	4.07	1,191	6	3	48	1,418	654	713	186	438	43	60	6,107	53	7.41	2.73	2.72	1.16	19.5	7.2	.290	4.44	8.83
22	Mets	1.29	1476.2	2013	162	.457	74	88	162	3.77	1,209	4	2	40	1,442	618	684	152	458	54	38	6,249	47	7.37	2.79	2.64	0.93	19.3	7.3	.295	4.17	8.79
23	Mets	1.29	1434.0	2012	162	.457	74	88	162	4.09	1,240	7	5	36	1,368	651	709	161	488	40	29	6,086	40	7.78	3.06	2.54	1.01	20.4	8.0	.290	4.45	8.59
24	Mets	1.30	1433.2	1977	162	.395	64	98	162	3.77	911	27	10	28	1,378	601	663	118	490	32	76	6,061	25	5.72	3.08	1.86	0.74	15.0	8.1	.279	4.16	8.65
25	Mets	1.30	1446.2	1992	162	.444	72	90	162	3.66	1,025	17	8	34	1,404	588	653	98	482	36	54	6,118	34	6.38	3.00	2.13	0.61	16.8	7.9	.292	4.06	8.73