most seasons with a whip under 0.98 by a pitcher

Mariano Rivera played the most seasons with a WHIP under 0.98, with 9 seasons.

	NAME	SEAS	WHIP	G	W	L	W%	GS	ERA	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%	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Mariano Rivera M. Rivera	9	0.87	535	34	32	.515	0	1.79	532	0	0	337	569.2	396	113	127	28	98	23	488	17	2,188	6	8.40	1.55	5.43	0.44	24.3	4.5	.244	2.01	40	2.49	56	6.26	122.3
2	Clayton Kershaw C. Kershaw	8	0.89	206	122	37	.767	206	2.04	1,593	22	12	0	1409.0	1,010	320	359	99	251	18	0	6	5,396	42	10.18	1.60	6.35	0.63	29.5	4.7	.265	2.29	54	2.32	60	6.45	247.5
3	Billy Wagner B. Wagner	8	0.86	451	24	13	.649	0	1.88	619	0	0	241	478.1	284	100	117	40	126	14	389	17	1,842	20	11.65	2.37	4.91	0.75	33.6	6.8	.234	2.20	44	2.42	56	5.34	99.9
4	Walter Johnson W. Johnson	8	0.92	363	209	110	.655	287	1.53	1,797	251	64	17	2701.2	1,981	459	659	21	511	101	71		10,238	83	5.99	1.70	3.52	0.07	17.6	5.0	.251	2.20	56	1.86	67	6.60	276.8
5	Jacob deGrom J. deGrom	7	0.89	138	53	33	.616	138	2.18	1,126	2	1	0	866.2	601	210	234	69	169	15	0	6	3,336	15	11.69	1.76	6.66	0.72	33.8	5.1	.272	2.43	56	2.24	55	6.24	180.8
6	Max Scherzer M. Scherzer	7	0.92	216	115	44	.723	216	2.66	1,777	10	4	0	1417.1	996	419	444	157	312	59	0	10	5,541	29	11.28	1.98	5.70	1.00	32.1	5.6	.259	2.82	65	2.84	69	6.32	196.4
7	Koji Uehara K. Uehara	7	0.80	375	17	18	.486	0	2.26	474	0	0	93	371.0	241	93	99	46	54	4	197	5	1,405	9	11.50	1.31	8.78	1.12	33.7	3.8	.236	2.40	53	2.61	64	5.85	59.2
8	Joe Nathan J. Nathan	7	0.89	343	23	10	.697	0	1.81	428	0	0	209	343.1	206	69	73	22	100	6	303	13	1,333	15	11.22	2.62	4.28	0.58	32.1	7.5	.237	1.91	42	2.35	56	5.40	72.7
9	Pedro Martinez P. Martinez	7	0.90	172	100	34	.746	169	2.17	1,520	32	10	0	1212.2	839	293	331	79	249	57	2	10	4,716	21	11.28	1.85	6.10	0.59	32.2	5.3	.270	2.46	49	2.16	50	6.23	303.2
10	Josh Hader J. Hader	6	0.85	287	23	18	.561	0	2.59	548	0	0	142	326.2	165	94	100	44	114	12	199	2	1,257	10	15.10	3.14	4.81	1.21	43.6	9.1	.224	2.76	63	2.72	65	4.55	53.7
11	Roberto Osuna R. Osuna	6	0.90	314	14	18	.438	0	2.74	348	0	0	155	315.0	230	96	101	28	55	13	247	6	1,227	17	9.94	1.57	6.33	0.80	28.4	4.5	.258	2.89	64	2.75	64	6.57	54.1
12	Darren O'Day D. O'Day	6	0.90	304	28	7	.800	0	1.83	297	0	0	10	284.2	192	58	63	23	65	25	62	9	1,119	0	9.39	2.06	4.57	0.73	26.5	5.8	.238	1.99	44	3.02	72	6.07	36
13	Trevor Hoffman T. Hoffman	6	0.92	375	21	17	.553	0	2.03	421	0	0	259	400.0	264	90	99	26	102	5	324	13	1,552	20	9.47	2.30	4.13	0.59	27.1	6.6	.238	2.23	50	2.66	62	5.94	73.2
14	Dennis Eckersley D. Eckersley	6	0.85	335	35	16	.686	25	2.28	495	6	2	220	529.0	392	134	143	43	57	7	284	16	2,019	1	8.42	0.97	8.68	0.73	24.5	2.8	.246	2.43	60	2.30	60	6.67	90.9
15	Yimi García Y. García	5	0.90	184	10	9	.526	1	3.15	211	0	0	7	183.0	122	64	69	31	42	10	54	6	721	3	10.38	2.07	5.02	1.52	29.3	5.8	.213	3.39	79	3.91	95	6.00	3.8
16	Sean Doolittle S. Doolittle	5	0.79	233	12	12	.500	0	2.58	277	0	0	73	233.1	147	67	69	17	37	4	120	4	879	6	10.68	1.43	7.49	0.66	31.5	4.2	.239	2.66	66	2.21	55	5.67	46.3
17	Kenley Jansen K. Jansen	5	0.78	331	19	9	.679	0	1.93	503	0	0	177	331.0	193	71	73	27	66	12	255	4	1,253	8	13.68	1.79	7.62	0.73	40.1	5.3	.257	1.98	51	1.83	47	5.25	78.5
18	Craig Kimbrel C. Kimbrel	5	0.80	324	16	12	.571	0	1.49	535	0	0	198	320.0	160	53	60	21	97	14	264	3	1,222	27	15.05	2.73	5.52	0.59	43.8	7.9	.250	1.69	37	1.66	42	4.50	82.3
19	Jake McGee J. McGee	5	0.88	267	17	9	.654	0	2.25	302	0	0	56	244.0	166	61	70	17	48	6	96	7	951	5	11.14	1.77	6.29	0.63	31.8	5.0	.258	2.58	57	2.23	56	6.12	47.9
20	Justin Verlander J. Verlander	5	0.87	131	80	24	.769	131	2.35	1,032	7	4	0	869.0	586	227	247	102	166	23	0	0	3,336	19	10.69	1.72	6.22	1.06	30.9	5.0	.240	2.56	56	2.92	70	6.07	120.8
21	Sergio Romo S. Romo	5	0.85	295	21	11	.656	0	2.31	295	0	0	38	257.1	171	66	72	25	49	14	99	7	997	4	10.32	1.71	6.02	0.87	29.6	4.9	.238	2.52	63	2.79	74	5.98	28.6
22	Huston Street H. Street	5	0.89	217	13	6	.684	0	2.27	240	0	0	115	214.0	139	54	59	18	51	0	176	11	827	1	10.09	2.14	4.71	0.76	29.0	6.2	.234	2.48	54	2.70	66	5.85	32.9
23	Pat Neshek P. Neshek	5	0.84	258	20	10	.667	0	2.04	249	0	0	7	233.1	158	53	56	22	38	3	41	10	890	3	9.60	1.47	6.55	0.85	28.0	4.3	.235	2.16	50	2.75	67	6.09	35.3
24	Jonathan Papelbon J. Papelbon	5	0.87	314	16	13	.552	0	2.01	386	0	0	183	326.2	223	73	81	17	61	13	270	4	1,268	6	10.63	1.68	6.33	0.47	30.4	4.8	.260	2.23	47	2.12	52	6.14	74
25	Eric Gagne E. Gagne	5	0.83	240	14	7	.667	0	1.82	390	0	0	161	262.1	155	53	58	15	62	11	209	9	1,007	8	13.38	2.13	6.29	0.51	38.7	6.2	.265	1.99	45	1.61	38	5.32	78.2