Easton McGee had the lowest WHIP by a starting pitcher with a WHIP over 0.00 in 2023, with a WHIP of 0.30 in his rookie 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	Easton McGee E. McGee	0.30	2023	SEA	1	0	0		1	0.00	2	0	0	0	6.2	1	0	0	0	1	0	0	0	22	0	2.70	1.35	2.00	0.00	9.1	4.5	.053	0.00	1.35
2	Tyler Alexander T. Alexander	0.33	2023	DET	1	0	1	.000	1	3.00	3	0	0	0	3.0	1	1	1	1	0	0	0	0	10	0	9.00	0.00		3.00	30.0	0.0	.000	3.00	3.00
3	Dylan Lee D. Lee	0.38	2023	ATL	1	0	0		1	0.00	3	0	0	0	2.2	0	0	0	0	1	0	0	0	9	0	10.13	3.38	3.00	0.00	33.3	11.1	.000	0.00	0.00
4	Brusdar Graterol B. Graterol	0.50	2023	LAD	1	0	0		1	0.00	3	0	0	0	2.0	0	0	0	0	1	0	0	0	7	0	13.50	4.50	3.00	0.00	42.9	14.3	.000	0.00	0.00
5	Jeffrey Springs J. Springs	0.50	2023	TBR	3	2	0	1.000	3	0.56	24	0	0	0	16.0	4	1	1	1	4	0	0	0	55	0	13.50	2.25	6.00	0.56	43.6	7.3	.115	0.56	2.25
6	Jakob Junis J. Junis	0.55	2023	SFG	4	0	0		4	0.00	14	0	0	0	12.2	5	0	2	1	2	1	0	0	47	1	9.95	1.42	7.00	0.71	29.8	4.3	.138	1.42	3.55
7	Ryan Pepiot R. Pepiot	0.56	2023	LAD	3	2	1	.667	3	2.00	11	0	0	0	18.0	9	4	4	2	1	1	0	0	64	0	5.50	0.50	11.00	1.00	17.2	1.6	.143	2.00	4.50
8	Trevor Kelley T. Kelley	0.63	2023	TBR	3	0	0		3	1.42	4	0	0	0	6.1	4	1	1	1	0	1	0	0	24	1	5.68	0.00		1.42	16.7	0.0	.167	1.42	5.68
9	Fernando Cruz F. Cruz	0.67	2023	CIN	2	0	1	.000	2	3.00	8	0	0	0	3.0	1	1	2	0	1	0	0	0	11	0	24.00	3.00	8.00	0.00	72.7	9.1	.500	6.00	3.00
10	John Means J. Means	0.72	2023	BAL	4	1	2	.333	4	2.66	10	0	0	0	23.2	13	7	7	4	4	1	0	0	88	0	3.80	1.52	2.50	1.52	11.4	4.5	.130	2.66	4.94
11	Bryce Jarvis B. Jarvis	0.75	2023	ARI	1	0	1	.000	1	6.75	1	0	0	0	2.2	1	2	2	1	1	0	0	0	10	0	3.38	3.38	1.00	3.38	10.0	10.0	.000	6.75	3.38
12	Jacob deGrom J. deGrom	0.76	2023	TEX	6	2	0	1.000	6	2.67	45	0	0	0	30.1	19	9	11	2	4	0	0	0	115	1	13.35	1.19	11.25	0.59	39.1	3.5	.266	3.26	5.64
13	Joe Boyle J. Boyle	0.81	2023	OAK	3	2	0	1.000	3	1.69	15	0	0	0	16.0	8	3	4	1	5	0	0	0	60	0	8.44	2.81	3.00	0.56	25.0	8.3	.179	2.25	4.50
14	Brandon Woodruff B. Woodruff	0.82	2023	MIL	11	5	1	.833	11	2.28	74	1	1	0	67.0	40	17	17	9	15	3	0	0	253	0	9.94	2.01	4.93	1.21	29.2	5.9	.204	2.28	5.37
15	Scott McGough S. McGough	0.86	2023	ARI	1	0	0		1	0.00	2	0	0	0	2.1	1	0	0	0	1	0	0	0	9	0	7.71	3.86	2.00	0.00	22.2	11.1	.167	0.00	3.86
16	Jesse Chavez J. Chavez	0.86	2023	ATL	1	0	0		1	0.00	3	0	0	0	2.1	1	0	0	0	1	1	0	0	9	0	11.57	3.86	3.00	0.00	33.3	11.1	.250	0.00	3.86
17	Carlos Hernández C. Hernández	0.86	2023	KCR	4	0	0		4	3.86	10	0	0	0	7.0	5	3	3	0	1	0	0	0	27	0	12.86	1.29	10.00	0.00	37.0	3.7	.313	3.86	6.43
18	Colin Selby C. Selby	0.88	2023	PIT	5	0	0		5	4.50	9	0	0	0	8.0	3	4	4	1	4	0	0	0	31	1	10.13	4.50	2.25	1.13	29.0	12.9	.118	4.50	3.38
19	Trevor Richards T. Richards	0.89	2023	TOR	3	0	1	.000	3	3.00	14	0	0	0	9.0	5	3	3	2	3	0	0	0	35	1	14.00	3.00	4.67	2.00	40.0	8.6	.188	3.00	5.00
20	Tarik Skubal T. Skubal	0.90	2023	DET	15	7	3	.700	15	2.80	102	0	0	0	80.1	58	25	28	4	14	3	0	0	310	1	11.43	1.57	7.29	0.45	32.9	4.5	.289	3.14	6.50
21	Darius Vines D. Vines	0.92	2023	ATL	2	1	0	1.000	2	3.00	10	0	0	0	12.0	8	4	5	2	3	1	0	0	49	0	7.50	2.25	3.33	1.50	20.4	6.1	.182	3.75	6.00
22	Dustin May D. May	0.94	2023	LAD	9	4	1	.800	9	2.63	34	0	0	0	48.0	29	14	14	1	16	2	0	0	187	1	6.38	3.00	2.13	0.19	18.2	8.6	.209	2.63	5.44
23	Gerrit Cole G. Cole	0.98	2023	NYY	33	15	4	.789	33	2.63	222	2	2	0	209.0	157	61	64	20	48	7	0	0	821	4	9.56	2.07	4.63	0.86	27.0	5.8	.261	2.76	6.76
24	Carson Fulmer C. Fulmer	1.00	2023	LAA	1	1	0	1.000	1	0.00	3	0	0	0	5.0	2	0	0	0	3	0	0	0	18	0	5.40	5.40	1.00	0.00	16.7	16.7	.167	0.00	3.60
25	Matt Koch M. Koch	1.00	2023	COL	1	0	0		1	0.00	2	0	0	0	1.0	1	0	0	0	0	0	0	0	4	0	18.00	0.00		0.00	50.0	0.0	.500	0.00	9.00