lowest whip by a pitcher in a season with 40 or more ip

Jacob deGrom has the lowest WHIP with 40.0+ innings pitched in a season, with a WHIP of 0.55 in 2021.

	NAME	WHIP	IP	SEASON	TM	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	ERA-	FIP	FIP-	H/9	PRAA
1	Jacob deGrom J. deGrom	0.55	92.0	2021	NYM	15	7	2	.778	15	1.08	146	1	1	0	40	11	14	6	11	1	0	0	324	0	14.28	1.08	13.27	0.59	45.1	3.4	.213	1.37	27	1.23	29	3.91	30.6
2	Koji Uehara K. Uehara	0.57	74.1	2013	BOS	73	4	1	.800	0	1.09	101	0	0	21	33	9	10	5	9	1	40	2	265	1	12.23	1.09	11.22	0.61	38.1	3.4	.188	1.21	26	1.60	41	4.00	19.1
3	Sean Doolittle S. Doolittle	0.60	45.0	2018	WSH	43	3	3	.500	0	1.60	60	0	0	25	21	8	8	3	6	2	35	1	163	1	12.00	1.20	10.00	0.60	36.8	3.7	.196	1.60	39	1.89	46	4.20	11.1
4	Dennis Eckersley D. Eckersley	0.61	57.2	1989	OAK	51	4	0	1.000	0	1.56	55	0	0	33	32	10	10	5	3	1	46	0	206	0	8.58	0.47	18.33	0.78	26.7	1.5	.190	1.56	43	2.18	60	4.99	9.6
5	Dennis Eckersley D. Eckersley	0.61	73.1	1990	OAK	63	4	2	.667	0	0.61	73	0	0	48	41	5	9	2	4	0	61	1	262	0	8.96	0.49	18.25	0.25	27.9	1.5	.213	1.10	17	1.33	35	5.03	20.6
6	Craig Kimbrel C. Kimbrel	0.65	62.2	2012	ATL	63	3	1	.750	0	1.01	116	0	0	42	27	7	7	3	14	2	56	0	231	5	16.66	2.01	8.29	0.43	50.2	6.1	.250	1.01	26	0.77	20	3.88	21.6
7	Emmanuel Clase E. Clase	0.66	74.1	2024	CLE	74	4	2	.667	0	0.61	66	0	0	47	39	5	10	2	10	2	66	1	270	2	7.99	1.21	6.60	0.24	24.4	3.7	.195	1.21	15	2.22	55	4.72	15.2
8	Mariano Rivera M. Rivera	0.67	70.2	2008	NYY	64	6	5	.545	0	1.40	77	0	0	39	41	11	11	4	6	2	60	0	259	1	9.81	0.76	12.83	0.51	29.7	2.3	.218	1.40	32	2.02	47	5.22	18
9	Kenley Jansen K. Jansen	0.67	68.2	2016	LAD	72	3	2	.600	0	1.83	104	0	0	47	35	14	14	4	11	2	63	2	251	1	13.63	1.44	9.45	0.52	41.4	4.4	.238	1.83	46	1.43	36	4.59	20.2
10	Steven Okert S. Okert	0.68	41.1	2025	HOU	38	1	2	.333	0	2.40	50	0	0	1	21	11	12	4	7	2	5	1	153	0	10.89	1.52	7.14	0.87	32.7	4.6	.189	2.61	60	2.57	63	4.57	6.9
11	Joaquin Benoit J. Benoit	0.68	60.1	2010	TBR	63	1	2	.333	0	1.34	75	0	0	1	30	9	10	6	11	0	16	1	217	1	11.19	1.64	6.82	0.90	34.6	5.1	.192	1.49	34	2.43	60	4.48	11.1
12	Craig Kimbrel C. Kimbrel	0.68	69.0	2017	BOS	67	5	0	1.000	0	1.43	126	0	0	35	33	11	11	6	14	4	51	0	254	5	16.43	1.83	9.00	0.78	49.6	5.5	.260	1.43	31	1.41	32	4.30	22.7
13	Andrew Miller A. Miller	0.69	74.1	2016	TOT	70	10	1	.909	0	1.45	123	0	0	12	42	12	13	8	9	2	23	0	275	1	14.89	1.09	13.67	0.97	44.7	3.3	.256	1.57	34	1.67	38	5.09	21.7
14	Eric Gagne E. Gagne	0.69	82.1	2003	LAD	77	2	3	.400	0	1.20	137	0	0	55	37	11	12	2	20	3	67	2	306	2	14.98	2.19	6.85	0.22	44.8	6.5	.243	1.31	30	0.85	20	4.04	31.8
15	J.J. Putz	0.70	71.2	2007	SEA	68	6	1	.857	0	1.38	82	0	0	40	37	11	11	6	13	2	65	0	260	3	10.30	1.63	6.31	0.75	31.5	5.0	.197	1.38	32	2.66	61	4.65	13.7
16	Sergio Romo S. Romo	0.71	48.0	2011	SFG	65	3	1	.750	0	1.50	70	0	0	1	29	8	8	2	5	0	16	1	175	0	13.13	0.94	14.00	0.38	40.0	2.9	.276	1.50	42	0.96	26	5.44	15.1
17	Cla Meredith C. Meredith	0.71	50.2	2006	SDP	45	5	1	.833	0	1.07	37	0	0	0	30	6	6	3	6	2	11	3	185	0	6.57	1.07	6.17	0.53	20.0	3.2	.197	1.07	26	2.92	67	5.33	8.2
18	Takashi Saito T. Saito	0.72	64.1	2007	LAD	63	2	1	.667	0	1.40	78	0	0	39	33	10	10	5	13	3	55	0	234	0	10.91	1.82	6.00	0.70	33.3	5.6	.207	1.40	33	2.56	58	4.62	13.6
19	Casey Sadler C. Sadler	0.72	40.1	2021	SEA	42	0	1	.000	0	0.67	37	0	0	0	19	3	4	1	10	1	2	0	145	2	8.26	2.23	3.70	0.22	25.5	6.9	.188	0.89	16	2.47	59	4.24	7.7
20	Bryan Hudson B. Hudson	0.72	62.1	2024	MIL	43	6	1	.857	0	1.73	62	0	0	0	28	12	12	7	17	3	1	0	231	1	8.95	2.45	3.65	1.01	26.8	7.4	.148	1.73	42	3.59	88	4.04	3.5
21	Koji Uehara K. Uehara	0.72	65.0	2011	TOT	65	2	3	.400	0	2.35	85	0	0	0	38	17	17	11	9	0	22	1	243	0	11.77	1.25	9.44	1.52	35.0	3.7	.196	2.35	55	3.02	72	5.26	8.2
22	Clayton Kershaw C. Kershaw	0.72	149.0	2016	LAD	21	12	4	.750	21	1.69	172	3	3	0	97	28	31	8	11	2	0	1	544	5	10.39	0.66	15.64	0.48	31.6	2.0	.254	1.87	42	1.79	44	5.86	37.9
23	Jake Northrop J. Northrop	0.73	40.0	1918	BSN	7	5	1	.833	4	1.35	4	4	1	0	26	6	9	0	3	0	3		150	0	0.90	0.68	1.33	0.00	2.7	2.0	.182	2.03	51	2.26	87	5.85	1.4
24	Emmanuel Clase E. Clase	0.73	72.2	2022	CLE	77	3	4	.429	0	1.36	77	0	0	42	43	11	18	3	10	1	67	2	271	4	9.54	1.24	7.70	0.37	28.4	3.7	.222	2.23	36	1.98	51	5.33	15.4
25	Liam Hendriks L. Hendriks	0.73	71.0	2021	CWS	69	8	3	.727	0	2.54	113	0	0	38	45	20	23	11	7	1	58	1	267	6	14.32	0.89	16.14	1.39	42.3	2.6	.252	2.92	58	2.33	52	5.70	16.2