Walter Johnson has the lowest WHIP when starting 100+ games in a decade, with a WHIP of 0.95 in the 1910s.

Interpreted as:

lowest whip by a player in a decade 100+ starts

	NAME	WHIP	GS	DECADE	G	W	L	W%	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	Walter Johnson W. Johnson	0.95	361	1910s	454	265	143	.650	1.59	2,219	327	74	20	3427.2	2,604	606	881	29	661	114	88		13,100	100	5.83	1.74	3.36	0.08	16.9	5.0	.256	2.31	56	1.96	67	6.84	357.8
2	Clayton Kershaw C. Kershaw	0.96	293	2010s	294	156	61	.719	2.31	2,179	25	15	0	1996.0	1,487	513	566	155	434	31	0	20	7,787	70	9.83	1.96	5.02	0.70	28.0	5.6	.267	2.55	61	2.63	67	6.70	290.2
3	Addie Joss A. Joss	0.96	248	1900s	273	155	92	.628	1.87	871	225	44	5	2219.2	1,792	461	695	17	346	56	22		8,479	28	3.53	1.40	2.52	0.07	10.3	4.1	.247	2.82	69	2.25	86	7.27	83.5
4	Ed Walsh E. Walsh	0.97	175	1900s	234	110	63	.636	1.68	901	138	36	15	1642.1	1,276	307	464	7	312	34	54		6,282	51	4.94	1.71	2.89	0.04	14.3	5.0	.252	2.54	70	1.83	80	6.99	74.3
5	Mordecai Brown M. Brown	0.98	195	1900s	246	144	65	.689	1.63	799	170	41	19	1827.2	1,443	331	517	16	356	35	49		7,000	34	3.93	1.75	2.24	0.08	11.4	5.1	.246	2.55	61	2.22	80	7.11	103.8
6	Cy Young C. Young	1.00	366	1900s	403	230	146	.612	2.12	1,565	337	45	9	3344.0	2,951	787	1,126	45	394	68	34		12,862	48	4.21	1.06	3.97	0.12	12.2	3.1	.269	3.03	73	2.17	75	7.94	274.6
7	Sandy Koufax S. Koufax	1.00	237	1960s	260	137	60	.695	2.36	1,910	122	37	6	1807.2	1,304	474	542	136	512	14	14	36	7,216	57	9.51	2.55	3.73	0.68	26.5	7.1	.252	2.70	67	2.28	67	6.49	226.4
8	Zack Wheeler Z. Wheeler	1.01	152	2020s	152	68	35	.660	2.87	1,053	4	2	0	951.1	747	303	328	85	213	43	0	4	3,785	17	9.96	2.02	4.94	0.80	27.8	5.6	.277	3.10	68	2.92	68	7.07	140.3
9	Gerrit Cole G. Cole	1.03	125	2020s	125	59	28	.678	3.12	915	6	4	0	759.0	593	263	279	102	185	19	0	2	3,018	13	10.85	2.19	4.95	1.21	30.3	6.1	.273	3.31	76	3.32	78	7.03	78.4
10	Tarik Skubal T. Skubal	1.03	122	2020s	125	51	34	.600	3.17	801	1	1	0	692.1	557	244	262	81	155	25	1	0	2,766	9	10.41	2.01	5.17	1.05	29.0	5.6	.279	3.41	77	3.14	76	7.24	75
11	Corbin Burnes C. Burnes	1.03	145	2020s	148	55	33	.625	2.86	1,009	0	0	0	881.0	659	280	311	83	249	35	2	1	3,527	38	10.31	2.54	4.05	0.85	28.6	7.1	.268	3.18	69	3.07	74	6.73	108.3
12	Max Scherzer M. Scherzer	1.03	106	2020s	106	46	23	.667	3.08	739	2	0	0	611.0	485	209	219	86	145	28	0	1	2,445	14	10.89	2.14	5.10	1.27	30.2	5.9	.276	3.23	74	3.43	81	7.14	54.1
13	Chris Sale C. Sale	1.03	232	2010s	312	109	73	.599	3.03	2,007	16	3	12	1629.2	1,312	548	590	172	374	98	25	14	6,544	38	11.08	2.07	5.37	0.95	30.7	5.7	.293	3.26	71	2.90	69	7.25	235.7
14	Christy Mathewson C. Mathewson	1.04	345	1900s	389	236	112	.678	1.98	1,799	282	61	16	2974.2	2,435	654	952	37	644	50	39		11,687	90	5.44	1.95	2.79	0.11	15.4	5.5	.262	2.88	71	2.12	73	7.37	248.9
15	Pedro Martinez P. Martinez	1.04	227	2000s	227	112	50	.691	3.01	1,620	18	6	0	1468.0	1,171	491	530	132	350	86	0	10	5,917	24	9.93	2.15	4.63	0.81	27.4	5.9	.279	3.25	68	2.91	67	7.18	241.6
16	Ed Walsh E. Walsh	1.04	140	1910s	196	85	63	.574	1.98	835	112	21	20	1322.0	1,070	291	409	16	305	18	51		5,131	25	5.68	2.08	2.74	0.11	16.3	5.9	.266	2.78	67	2.25	78	7.28	89.9
17	Tommy Bond T. Bond	1.04	226	1870s	226	154	68	.694	1.97	595	219	32	0	2017.0	1,999	441	840	20	106		2		8,136	52	2.65	0.47	5.61	0.09	7.3	1.3		3.75	79	2.31	93	8.92	43.2
18	Joe Ryan J. Ryan	1.04	102	2020s	103	42	30	.583	3.70	646	1	1	0	579.2	473	238	248	87	132	31	0	0	2,342	8	10.03	2.05	4.89	1.35	27.6	5.6	.267	3.85	91	3.72	91	7.34	24.6
19	Juan Marichal J. Marichal	1.04	320	1960s	328	191	88	.685	2.57	1,840	197	45	2	2549.2	2,161	728	861	223	503	30	8	57	10,212	37	6.49	1.78	3.66	0.79	18.0	4.9	.254	3.04	74	2.84	84	7.63	148.5
20	Ed Reulbach E. Reulbach	1.05	142	1900s	175	97	39	.713	1.72	580	112	28	5	1262.0	905	241	320	9	417	63	32		4,904	19	4.14	2.97	1.39	0.06	11.8	8.5	.234	2.28	67	2.60	97	6.45	12.1
21	John Ward J. Ward	1.05	165	1880s	186	95	71	.572	2.21	565	150	16	2	1548.2	1,445	380	764	18	183		22		6,374	89	3.28	1.06	3.09	0.10	8.9	2.9		4.44	83	2.54	96	8.40	5.6
22	Grover Alexander G. Alexander	1.05	307	1910s	362	208	100	.675	2.09	1,539	242	70	16	2753.0	2,300	638	846	49	596	55	50		10,891	20	5.03	1.95	2.58	0.16	14.1	5.5	.260	2.77	68	2.32	75	7.52	234.9
23	Babe Adams B. Adams	1.05	231	1910s	278	119	89	.572	2.50	714	140	27	4	1908.2	1,711	531	667	34	298	32	37		7,517	16	3.37	1.41	2.40	0.16	9.5	4.0	.260	3.15	85	2.53	84	8.07	105.2
24	Jacob deGrom J. deGrom	1.05	171	2010s	171	66	49	.574	2.62	1,255	3	1	0	1101.2	894	321	350	95	266	20	0	13	4,386	22	10.25	2.17	4.72	0.78	28.6	6.1	.291	2.86	68	2.77	69	7.30	156.5
25	Greg Maddux G. Maddux	1.06	331	1990s	331	176	88	.667	2.54	1,764	75	23	0	2394.2	2,084	677	786	111	443	60	0	74	9,563	32	6.63	1.66	3.98	0.42	18.4	4.6	.275	2.95	62	2.77	67	7.83	361.6