Pedro Martinez has the lowest WHIP with 162.0+ innings pitched in a season, with a WHIP of 0.74 in 2000.

Interpreted as:

lowest whip by a player in season min 162 ip

	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	Pedro Martinez P. Martinez	0.74	217.0	2000	BOS	29	18	6	.750	29	1.74	284	7	4	0	128	42	44	17	32	14	0	0	817	1	11.78	1.33	8.88	0.71	34.8	3.9	.236	1.82	35	2.16	47	5.31	61.5
2	Walter Johnson W. Johnson	0.78	346.0	1913	WSH	48	36	7	.837	36	1.14	243	29	11	2	232	44	56	9	38	9	10		1,271	2	6.32	0.99	6.39	0.23	19.1	3.0	.229	1.46	39	1.90	63	6.03	42.3
3	Justin Verlander J. Verlander	0.80	223.0	2019	HOU	34	21	6	.778	34	2.58	300	2	1	0	137	64	66	36	42	6	0	0	847	4	12.11	1.70	7.14	1.45	35.4	5.0	.218	2.66	57	3.26	72	5.53	31.5
4	Addie Joss A. Joss	0.81	325.0	1908	CLE	42	24	11	.686	35	1.16	130	29	9	2	232	42	77	2	30	2	6		1,209	6	3.60	0.83	4.33	0.06	10.8	2.5	.220	2.13	49	1.68	76	6.42	19.3
5	Greg Maddux G. Maddux	0.81	209.2	1995	ATL	28	19	2	.905	28	1.63	181	10	3	0	147	38	39	8	23	4	0	3	785	1	7.77	0.99	7.87	0.34	23.1	2.9	.244	1.67	39	2.25	52	6.31	46.9
6	Charlie Sweeney C. Sweeney	0.82	492.0	1884	TOT	60	41	15	.732	56	1.70	337	53	6	1	360	93	182	6	42		4		1,909	21	6.16	0.77	8.02	0.11	17.7	2.2		3.33	58	2.32	81	6.59	26.9
7	Ed Walsh E. Walsh	0.82	369.2	1910	CWS	45	18	20	.474	36	1.27	258	33	7	5	242	52	87	5	61	4	7		1,359	6	6.28	1.49	4.23	0.12	19.0	4.5	.230	2.12	52	1.63	66	5.89	34.8
8	Christy Mathewson C. Mathewson	0.83	390.2	1908	NYG	56	37	11	.771	44	1.43	259	34	11	5	281	62	85	5	42	3	9		1,469	2	5.97	0.97	6.17	0.12	17.6	2.9	.238	1.96	61	1.29	52	6.47	52.4
9	Christy Mathewson C. Mathewson	0.83	275.1	1909	NYG	37	25	6	.806	33	1.14	149	26	8	2	192	35	57	2	36	0	4		998	4	4.87	1.18	4.14	0.07	14.9	3.6	.234	1.86	44	1.62	61	6.28	31.7
10	Justin Verlander J. Verlander	0.83	175.0	2022	HOU	28	18	4	.818	28	1.75	185	0	0	0	116	34	43	12	29	6	0	0	666	3	9.51	1.49	6.38	0.62	27.8	4.4	.240	2.21	46	2.48	64	5.97	27.7
11	George Bradley G. Bradley	0.84	196.0	1880	PRO	28	13	8	.619	20	1.38	54	16	4	2	158	30	66	2	6		7		757	7	2.48	0.28	9.00	0.09	7.1	0.8		3.03	60	2.21	96	7.26	0.6
12	Mordecai Brown M. Brown	0.84	312.1	1908	CHC	44	29	9	.763	31	1.47	123	27	9	5	214	51	64	1	49	5	12		1,153	6	3.54	1.41	2.51	0.03	10.7	4.2	.218	1.84	63	1.87	75	6.17	21.5
13	Grover Alexander G. Alexander	0.84	376.1	1915	PHN	49	31	10	.756	42	1.22	241	36	12	3	253	51	86	3	64	10	7		1,435	2	5.76	1.53	3.77	0.07	16.8	4.5	.224	2.06	43	1.82	63	6.05	44.1
14	Dave McNally D. McNally	0.84	273.0	1968	BAL	35	22	10	.688	35	1.95	202	18	5	0	175	59	67	24	55	10	0	1	1,038	5	6.66	1.81	3.67	0.79	19.5	5.3	.202	2.21	67	2.76	90	5.77	9.5
15	Zack Greinke Z. Greinke	0.84	222.2	2015	LAD	32	19	3	.864	32	1.66	200	1	0	0	148	41	43	14	40	5	0	1	843	7	8.08	1.62	5.00	0.57	23.7	4.7	.229	1.74	44	2.75	73	5.98	26.2
16	Bob Gibson B. Gibson	0.85	304.2	1968	STL	34	22	9	.710	34	1.12	268	28	13	0	198	38	49	11	62	7	0	6	1,161	4	7.92	1.83	4.32	0.32	23.1	5.3	.230	1.45	38	1.77	63	5.85	34.8
17	Sandy Koufax S. Koufax	0.86	335.2	1965	LAD	43	26	8	.765	41	2.04	382	27	8	2	216	76	90	26	71	5	2	4	1,297	11	10.24	1.90	5.38	0.70	29.5	5.5	.234	2.41	63	1.93	61	5.79	47.9
18	Clayton Kershaw C. Kershaw	0.86	198.1	2014	LAD	27	21	3	.875	27	1.77	239	6	2	0	139	39	42	9	31	2	0	0	749	7	10.85	1.41	7.71	0.41	31.9	4.1	.278	1.91	51	1.81	50	6.31	40.5
19	Juan Marichal J. Marichal	0.86	307.1	1966	SFG	37	25	6	.806	36	2.23	222	25	4	0	228	76	88	32	36	5	1	3	1,180	3	6.50	1.05	6.17	0.94	18.8	3.1	.221	2.58	62	2.86	82	6.68	21.3
20	Ed Walsh E. Walsh	0.86	464.0	1908	CWS	66	40	15	.727	49	1.42	269	42	11	6	343	73	111	2	56	9	16		1,755	10	5.22	1.09	4.80	0.04	15.3	3.2	.240	2.15	63	1.42	67	6.65	34.2
21	Max Scherzer M. Scherzer	0.86	179.1	2021	TOT	30	15	4	.789	30	2.46	236	1	0	0	119	49	53	23	36	10	0	0	693	2	11.84	1.81	6.56	1.15	34.1	5.2	.247	2.66	59	2.97	69	5.97	26
22	Jake Arrieta J. Arrieta	0.86	229.0	2015	CHC	33	22	6	.786	33	1.77	236	4	3	0	150	45	52	10	48	6	0	2	870	6	9.28	1.89	4.92	0.39	27.1	5.5	.246	2.04	45	2.34	60	5.90	39
23	Denny Driscoll D. Driscoll	0.87	201.0	1882	PIT	23	13	9	.591	23	1.21	59	23	0	0	162	27	73	0	12		0		799	7	2.64	0.54	4.92	0.00	7.4	1.5		3.27	45	2.36	84	7.25	10.2
24	Cy Young C. Young	0.87	320.2	1905	BSA	38	18	19	.486	33	1.82	210	31	4	0	248	65	99	3	30	8	5		1,189	6	5.89	0.84	7.00	0.08	17.7	2.5	.261	2.78	68	1.69	61	6.96	38.4
25	Guy Hecker G. Hecker	0.87	670.2	1884	LOU	75	52	20	.722	73	1.80	385	72	6	0	526	134	230	4	56	16	2		2,649	27	5.17	0.75	6.88	0.05	14.5	2.1	.239	3.09	57	2.53	80	7.06	43