Jack Kochanowicz has the highest WHIP this season, with a WHIP of 1.55.

Interpreted as:

MLB player with highest whip with a minimum of 1 IP per team game this regular season

	NAME	WHIP	SEASON	TM	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	Jack Kochanowicz J. Kochanowicz	1.55	2025	LAA	15	3	8	.273	15	5.38	58	0	0	0	77.0	83	46	47	15	36	5	0	2	337	3	6.78	4.21	1.61	1.75	17.2	10.7	.305	5.49	133	5.68	136	9.70	-12.4
2	Ben Brown B. Brown	1.48	2025	CHC	15	4	5	.444	13	5.57	88	0	0	0	74.1	85	46	47	9	25	4	0	0	334	1	10.65	3.03	3.52	1.09	26.3	7.5	.365	5.69	142	3.43	88	10.29	3.9
3	Yusei Kikuchi Y. Kikuchi	1.48	2025	LAA	15	2	6	.250	15	3.05	78	0	0	0	82.2	79	28	33	9	43	1	0	3	359	3	8.49	4.68	1.81	0.98	21.7	12.0	.307	3.59	75	4.18	100	8.60	0
4	Luis L. Ortiz L. L. Ortiz	1.47	2025	CLE	14	3	8	.273	14	4.64	81	0	0	0	75.2	72	39	40	10	39	1	0	0	331	0	9.63	4.64	2.08	1.19	24.5	11.8	.310	4.76	118	4.22	105	8.56	-1.8
5	José Soriano J. Soriano	1.46	2025	LAA	15	4	5	.444	15	3.54	70	0	0	0	86.1	86	34	37	3	40	2	0	0	369	3	7.30	4.17	1.75	0.31	19.0	10.8	.327	3.86	88	3.34	80	8.97	7.8
6	Jesús Luzardo J. Luzardo	1.43	2025	PHI	15	6	3	.667	15	4.41	97	0	0	0	83.2	92	41	44	7	28	1	0	0	361	1	10.43	3.01	3.46	0.75	26.9	7.8	.373	4.73	109	2.86	70	9.90	11
7	Sean Burke S. Burke	1.42	2025	CWS	15	3	7	.300	13	4.50	61	0	0	0	76.0	73	38	44	11	35	4	0	0	333	2	7.22	4.14	1.74	1.30	18.3	10.5	.279	5.21	112	4.87	117	8.64	-5.7
8	Gavin Williams G. Williams	1.42	2025	CLE	15	5	3	.625	15	3.58	78	0	0	0	75.1	65	30	34	10	42	2	0	0	326	5	9.32	5.02	1.86	1.19	23.9	12.9	.284	4.06	91	4.46	111	7.77	-3.9
9	Bailey Ober B. Ober	1.40	2025	MIN	15	4	4	.500	15	4.54	62	1	0	0	79.1	90	40	41	14	21	3	0	0	348	1	7.03	2.38	2.95	1.59	17.8	6.0	.306	4.65	114	4.69	116	10.21	-5.7
10	Tyler Anderson T. Anderson	1.40	2025	LAA	15	2	5	.286	15	4.56	65	0	0	0	81.0	82	41	45	15	31	3	0	3	357	5	7.22	3.44	2.10	1.67	18.2	8.7	.276	5.00	112	5.11	123	9.11	-8.2
11	Brandon Pfaadt B. Pfaadt	1.39	2025	AZ	15	8	4	.667	15	5.38	58	0	0	0	75.1	86	45	47	15	19	9	0	1	333	2	6.93	2.27	3.05	1.79	17.4	5.7	.306	5.62	131	5.22	135	10.27	-11.8
12	Andre Pallante A. Pallante	1.38	2025	STL	14	4	3	.571	14	4.83	54	0	0	0	76.1	79	41	43	11	26	1	0	0	331	5	6.37	3.07	2.08	1.30	16.3	7.9	.285	5.07	122	4.57	117	9.31	-5.9
13	Dean Kremer D. Kremer	1.36	2025	BAL	15	6	7	.462	14	4.80	65	0	0	0	84.1	92	45	47	12	23	1	0	0	361	5	6.94	2.45	2.83	1.28	18.0	6.4	.308	5.02	123	4.21	106	9.82	-2.5
14	Michael Lorenzen M. Lorenzen	1.36	2025	KCR	14	4	7	.364	14	4.91	65	0	0	0	77.0	80	42	44	14	25	2	0	0	334	9	7.60	2.92	2.60	1.64	19.5	7.5	.289	5.14	118	4.78	118	9.35	-6.3
15	Taj Bradley T. Bradley	1.35	2025	TBR	15	4	5	.444	15	4.95	73	0	0	0	80.0	74	44	52	12	34	4	0	0	343	0	8.21	3.83	2.15	1.35	21.3	9.9	.282	5.85	130	4.60	117	8.33	-6.3
16	Zac Gallen Z. Gallen	1.35	2025	AZ	15	4	8	.333	15	5.19	81	0	0	0	86.2	77	50	53	15	40	2	0	1	373	1	8.41	4.15	2.03	1.56	21.7	10.7	.264	5.50	127	4.89	127	8.00	-10.3
17	Luis Severino L. Severino	1.34	2025	ATH	16	2	7	.222	16	4.42	66	0	0	0	95.2	98	47	50	7	30	5	0	1	416	1	6.21	2.82	2.20	0.66	15.9	7.2	.295	4.70	111	3.72	92	9.22	3.5
18	Dylan Cease D. Cease	1.33	2025	SDP	15	2	6	.250	15	4.69	105	0	0	0	80.2	77	42	44	8	30	2	0	1	346	2	11.71	3.35	3.50	0.89	30.3	8.7	.343	4.91	120	2.93	74	8.59	9.1
19	Mitchell Parker M. Parker	1.32	2025	WSH	15	4	8	.333	15	4.59	58	0	0	0	80.1	75	41	45	9	31	3	0	0	344	2	6.50	3.47	1.87	1.01	16.9	9.0	.272	5.04	114	4.33	108	8.40	-2.7
20	Shane Baz S. Baz	1.32	2025	TBR	14	6	3	.667	14	4.54	71	0	0	0	77.1	72	39	39	13	30	5	0	0	328	0	8.26	3.49	2.37	1.51	21.6	9.1	.282	4.54	119	4.76	121	8.38	-7.5
21	Erick Fedde E. Fedde	1.30	2025	STL	15	3	6	.333	15	3.54	55	1	1	0	84.0	73	33	36	6	36	2	0	0	353	1	5.89	3.86	1.53	0.64	15.6	10.2	.264	3.86	89	4.03	103	7.82	-1.3
22	Chris Bassitt C. Bassitt	1.30	2025	TOR	15	7	3	.700	15	3.75	83	0	0	0	86.1	92	36	37	10	20	6	0	0	373	2	8.65	2.08	4.15	1.04	22.3	5.4	.323	3.86	95	3.54	87	9.59	4.9
23	José Berríos J. Berríos	1.29	2025	TOR	15	2	3	.400	15	3.81	76	0	0	0	87.1	80	37	37	12	33	3	0	2	363	1	7.83	3.40	2.30	1.24	20.9	9.1	.285	3.81	97	4.33	107	8.24	-2.8
24	Jeffrey Springs J. Springs	1.29	2025	ATH	15	5	5	.500	13	4.52	66	0	0	0	79.2	72	40	49	12	31	1	0	0	343	0	7.46	3.50	2.13	1.36	19.2	9.0	.258	5.54	114	4.56	113	8.13	-4.5
25	Kyle Hendricks K. Hendricks	1.29	2025	LAA	14	5	6	.455	14	4.79	53	0	0	0	77.0	77	41	42	12	22	4	0	3	326	0	6.19	2.57	2.41	1.40	16.3	6.7	.277	4.91	118	4.71	113	9.00	-4.5