Kid Carsey has the highest career WHIP, with a WHIP of 1.61.

Interpreted as:

highest whip with a minimum of 1500 IP by a pitcher ever

	NAME	WHIP	IP	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	Kid Carsey K. Carsey	1.61	2233.1	296	116	138	.457	257	4.95	486	218	4	3	2,794	1,229	1,728	80	800	125	38		10,251	92	1.96	3.22	0.61	0.32	4.7	7.8	.310	6.96	118	4.36	103	11.26	-39.1
2	Bill Hart B. Hart	1.59	1582.0	206	66	120	.355	190	4.65	431	162	5	3	1,819	817	1,214	43	704	71	16		7,243	80	2.45	4.01	0.61	0.24	6.0	9.7	.297	6.91	115	4.43	110	10.35	-71.1
3	Vern Kennedy V. Kennedy	1.59	2025.2	344	104	132	.441	263	4.67	691	127	7	6	2,173	1,052	1,202	130	1,049	24	56		9,055	54	3.07	4.66	0.66	0.58	7.6	11.6	.285	5.34	107	4.60	108	9.65	-72.9
4	Duke Esper D. Esper	1.57	1727.2	236	101	100	.502	198	4.39	453	152	4	5	2,048	842	1,196	46	669	32	35		7,824	24	2.36	3.49	0.68	0.24	5.8	8.6	.302	6.23	105	4.14	98	10.67	19.9
5	Bobby Witt B. Witt	1.57	2465.0	430	142	157	.475	397	4.83	1,955	47	11	0	2,493	1,324	1,449	252	1,375	39	13	37	11,003	128	7.14	5.02	1.42	0.92	17.8	12.5	.304	5.29	111	4.41	102	9.10	-26.2
6	George Hemming G. Hemming	1.57	1587.2	204	91	82	.526	168	4.53	362	156	7	6	1,795	800	1,120	55	690	52	34		7,184	40	2.05	3.91	0.52	0.31	5.0	9.6	.289	6.35	105	4.69	106	10.18	-52.4
7	Jack Knott J. Knott	1.56	1557.0	325	82	103	.443	192	4.97	484	62	4	19	1,787	860	991	140	642	20	78		7,007	42	2.80	3.71	0.75	0.81	6.9	9.2	.288	5.73	107	4.76	106	10.33	-37.9
8	Ed Crane E. Crane	1.55	1551.0	204	72	97	.426	176	3.99	719	146	7	2	1,525	687	1,188	50	885	58	26		7,110	146	4.17	5.14	0.81	0.29	10.1	12.4	.273	6.89	108	4.05	109	8.85	-55.7
9	Sheriff Blake S. Blake	1.55	1620.0	304	87	102	.460	195	4.13	621	81	11	9	1,766	744	876	68	740	30	61		7,150	35	3.45	4.11	0.84	0.38	8.7	10.3	.298	4.87	98	4.29	101	9.81	-12.4
10	Jamey Wright J. Wright	1.54	2036.2	719	97	130	.427	248	4.81	1,189	6	3	2	2,168	1,088	1,208	200	978	155	133	73	9,038	87	5.25	4.32	1.22	0.88	13.2	10.8	.302	5.34	105	4.86	109	9.58	-84.5
11	Win Mercer W. Mercer	1.54	2484.2	335	132	164	.446	300	3.98	532	253	11	10	3,081	1,098	1,753	64	755	144	34		11,106	43	1.93	2.73	0.70	0.23	4.8	6.8	.314	6.35	96	4.18	99	11.16	13.6
12	Shawn Estes S. Estes	1.53	1678.1	283	101	93	.521	281	4.71	1,210	14	8	0	1,708	879	950	158	858	57	0	36	7,403	79	6.49	4.60	1.41	0.85	16.3	11.6	.303	5.09	110	4.49	103	9.16	-23.6
13	Bill Wight B. Wight	1.52	1563.0	347	77	99	.438	198	3.95	574	66	15	8	1,656	686	791	74	714	14	60	7	6,851	45	3.31	4.11	0.80	0.43	8.4	10.4	.289	4.55	98	3.77	95	9.54	34.8
14	Walt Masterson W. Masterson	1.51	1649.2	399	78	100	.438	184	4.15	815	70	15	21	1,613	760	888	101	886	28	115	1	7,281	33	4.45	4.83	0.92	0.55	11.2	12.2	.277	4.84	105	4.03	103	8.80	-21.7
15	Doug Davis D. Davis	1.51	1715.2	306	92	108	.460	286	4.44	1,279	7	3	0	1,813	846	921	180	783	44	4	28	7,597	63	6.71	4.11	1.63	0.94	16.8	10.3	.307	4.83	99	4.40	99	9.51	11.9
16	Ellsworth Cunningham E. Cunningham	1.51	2734.2	342	142	167	.460	311	4.22	718	287	4	2	3,071	1,283	1,942	62	1,064	148	28		12,285	161	2.36	3.50	0.67	0.20	5.8	8.7	.292	6.39	111	4.04	107	10.11	-91.1
17	Elam Vangilder E. Vangilder	1.51	1715.2	367	99	102	.493	187	4.28	474	91	13	20	1,894	815	1,014	93	700	42	120		7,568	22	2.49	3.67	0.68	0.49	6.3	9.2	.288	5.32	100	4.43	104	9.94	-26.7
18	Vic Sorrell V. Sorrell	1.51	1671.2	280	92	101	.477	216	4.43	619	95	8	11	1,820	823	949	100	706	20	41		7,403	25	3.33	3.80	0.88	0.54	8.4	9.5	.289	5.11	99	4.45	101	9.80	-4.5
19	Milt Gaston M. Gaston	1.51	2105.0	355	97	164	.372	269	4.55	615	128	10	8	2,338	1,064	1,277	114	836	24	63		9,271	78	2.63	3.57	0.74	0.49	6.6	9.0	.290	5.46	105	4.43	103	10.00	-27.3
20	Bill Hallahan B. Hallahan	1.50	1740.1	324	102	94	.520	224	4.03	856	90	14	7	1,838	779	915	71	779	8	53		7,624	71	4.43	4.03	1.10	0.37	11.2	10.2	.299	4.73	99	4.01	96	9.51	33.6
21	Bump Hadley B. Hadley	1.50	2945.2	528	161	165	.494	355	4.24	1,318	134	14	25	2,980	1,389	1,609	167	1,442	63	108		13,016	72	4.03	4.41	0.91	0.51	10.1	11.1	.281	4.92	96	4.42	102	9.10	-27.9
22	Bill Dietrich B. Dietrich	1.50	2003.2	366	108	128	.458	253	4.48	660	92	17	11	2,117	997	1,146	129	890	22	72		8,874	44	2.96	4.00	0.74	0.58	7.4	10.0	.277	5.15	110	4.33	108	9.51	-69.7
23	Earl Whitehill E. Whitehill	1.50	3564.2	541	218	185	.541	473	4.36	1,350	226	16	11	3,917	1,726	2,018	192	1,431	101	46		15,781	43	3.41	3.61	0.94	0.48	8.6	9.1	.293	5.10	99	4.29	99	9.89	6
24	George Haddock G. Haddock	1.50	1580.0	204	95	87	.522	189	4.07	599	160	8	2	1,650	715	1,111	56	714	61	15		7,134	101	3.41	4.07	0.84	0.32	8.4	10.0	.279	6.33	104	3.97	104	9.40	-41.5
25	Elden Auker E. Auker	1.50	1963.1	333	130	101	.563	261	4.42	594	126	14	2	2,230	964	1,106	129	706	36	40		8,686	8	2.72	3.24	0.84	0.59	6.8	8.1	.291	5.07	98	4.29	98	10.22	24.6