Rob Zastryzny and Brad Keller are tied for the lowest WHIP by a starting pitcher this season, with a WHIP of 0.00.

Interpreted as:

best whip for starting pitcher 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	H/9
1	Rob Zastryzny R. Zastryzny	0.00	2025	MIL	1	0	0		1	0.00	2	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0	18.00	0.00		0.00	66.7	0.0	.000	0.00	0.00
2	Brad Keller B. Keller	0.00	2025	CHC	1	0	0		1	0.00	2	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0	18.00	0.00		0.00	66.7	0.0	.000	0.00	0.00
3	Trevor Rogers T. Rogers	0.32	2025	BAL	1	0	0		1	0.00	5	0	0	0	6.1	2	0	0	0	0	1	0	0	22	0	7.11	0.00		0.00	22.7	0.0	.125	0.00	2.84
4	Paxton Schultz P. Schultz	0.38	2025	TOR	1	0	0		1	0.00	4	0	0	0	2.2	1	0	0	0	0	0	0	0	9	0	13.50	0.00		0.00	44.4	0.0	.200	0.00	3.38
5	Ben Casparius B. Casparius	0.38	2025	LAD	1	0	0		1	0.00	4	0	0	0	2.2	1	0	0	0	0	0	0	0	9	0	13.50	0.00		0.00	44.4	0.0	.200	0.00	3.38
6	Joe Boyle J. Boyle	0.40	2025	TBR	1	1	0	1.000	1	0.00	7	0	0	0	5.0	0	0	2	0	2	1	0	0	18	0	12.60	3.60	3.50	0.00	38.9	11.1	.000	3.60	0.00
7	Tyler Holton T. Holton	0.60	2025	DET	1	0	0		1	5.40	2	0	0	0	1.2	1	1	1	0	0	0	0	0	6	0	10.80	0.00		0.00	33.3	0.0	.250	5.40	5.40
8	Brant Hurter B. Hurter	0.67	2025	DET	1	0	0		1	0.00	2	0	0	0	3.0	1	0	0	0	1	0	0	0	11	0	6.00	3.00	2.00	0.00	18.2	9.1	.125	0.00	3.00
9	Huascar Brazobán H. Brazobán	0.67	2025	NYM	2	0	0		2	0.00	4	0	0	0	3.0	0	0	0	0	2	0	0	0	11	0	12.00	6.00	2.00	0.00	36.4	18.2	.000	0.00	0.00
10	Adrian Houser A. Houser	0.75	2025	CWS	2	1	0	1.000	2	0.00	8	0	0	0	12.0	5	0	0	0	4	0	0	0	43	0	6.00	3.00	2.00	0.00	18.6	9.3	.161	0.00	3.75
11	Keegan Akin K. Akin	0.75	2025	BAL	2	0	0		2	0.00	3	0	0	0	2.2	0	0	0	0	2	0	0	0	10	0	10.13	6.75	1.50	0.00	30.0	20.0	.000	0.00	0.00
12	Steven Matz S. Matz	0.78	2025	STL	2	1	0	1.000	2	1.00	11	0	0	0	9.0	7	1	1	0	0	0	0	0	34	0	11.00	0.00		0.00	32.4	0.0	.304	1.00	7.00
13	Logan Gilbert L. Gilbert	0.79	2025	SEA	6	1	1	.500	6	2.37	44	0	0	0	30.1	18	8	8	3	6	1	0	0	117	2	13.05	1.78	7.33	0.89	37.6	5.1	.238	2.37	5.34
14	Brandon Walter B. Walter	0.80	2025	HOU	1	0	0		1	0.00	5	0	0	0	5.0	3	0	0	0	1	0	0	0	18	0	9.00	1.80	5.00	0.00	27.8	5.6	.250	0.00	5.40
15	Nathan Eovaldi N. Eovaldi	0.81	2025	TEX	12	4	3	.571	12	1.56	73	1	1	0	69.1	46	12	14	4	10	4	0	0	266	4	9.48	1.30	7.30	0.52	27.4	3.8	.240	1.82	5.97
16	Joe Ryan J. Ryan	0.81	2025	MIN	10	5	2	.714	10	2.33	68	0	0	0	58.0	40	15	15	7	7	7	0	0	223	0	10.55	1.09	9.71	1.09	30.5	3.1	.246	2.33	6.21
17	Noah Cameron N. Cameron	0.82	2025	KCR	4	2	1	.667	4	1.05	16	0	0	0	25.2	13	3	3	2	8	0	0	0	98	0	5.61	2.81	2.00	0.70	16.3	8.2	.153	1.05	4.56
18	Mick Abel M. Abel	0.83	2025	PHI	1	1	0	1.000	1	0.00	9	0	0	0	6.0	5	0	0	0	0	0	0	0	22	0	13.50	0.00		0.00	40.9	0.0	.385	0.00	7.50
19	Tarik Skubal T. Skubal	0.84	2025	DET	11	5	2	.714	11	2.49	92	1	1	0	68.2	51	19	19	6	7	3	0	0	263	1	12.06	0.92	13.14	0.79	35.0	2.7	.290	2.49	6.68
20	Ryan Yarbrough R. Yarbrough	0.85	2025	NYY	4	2	0	1.000	4	2.25	19	0	0	0	20.0	12	5	5	3	5	0	0	0	76	0	8.55	2.25	3.80	1.35	25.0	6.6	.184	2.25	5.40
21	Ryan Weathers R. Weathers	0.89	2025	MIA	3	1	0	1.000	3	1.15	15	0	0	0	15.2	10	2	4	2	4	0	0	0	61	0	8.62	2.30	3.75	1.15	24.6	6.6	.200	2.30	5.74
22	Yoshinobu Yamamoto Y. Yamamoto	0.91	2025	LAD	11	6	3	.667	11	1.97	75	0	0	0	64.0	38	14	17	5	20	1	0	0	246	3	10.55	2.81	3.75	0.70	30.5	8.1	.228	2.39	5.34
23	Hunter Greene H. Greene	0.91	2025	CIN	10	4	3	.571	10	2.63	66	0	0	0	54.2	39	16	16	8	11	2	0	0	214	2	10.87	1.81	6.00	1.32	30.8	5.1	.244	2.63	6.42
24	Paul Skenes P. Skenes	0.92	2025	PIT	12	4	5	.444	12	2.15	77	1	0	0	75.1	51	18	20	4	18	2	0	0	293	1	9.20	2.15	4.28	0.48	26.3	6.1	.245	2.39	6.09
25	Hunter Brown H. Brown	0.92	2025	HOU	11	7	3	.700	11	2.00	79	1	0	0	67.2	46	15	16	6	16	0	0	0	253	0	10.51	2.13	4.94	0.80	31.2	6.3	.263	2.13	6.12