lowest single season whip since 1900 with minimum of 30 games

Since 1900, Koji Uehara has the lowest WHIP with 30+ games pitched in a season, with a WHIP of 0.57 in 2013.

Interpreted as:

lowest single season whip by a player since 1900 with minimum of 30 games

	NAME	WHIP	G	SEASON	TM	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	Koji Uehara K. Uehara	0.57	73	2013	BOS	4	1	.800	0	1.09	101	0	0	21	74.1	33	9	10	5	9	1	40	2	265	1	12.23	1.09	11.22	0.61	38.1	3.4	.188	1.21	26	1.60	41	4.00	19.1
2	Mike Adams M. Adams	0.59	37	2009	SDP	0	0		0	0.73	45	0	0	0	37.0	14	3	9	1	8	0	5	1	136	1	10.95	1.95	5.63	0.24	33.1	5.9	.159	2.19	19	1.65	41	3.41	10.2
3	Sean Doolittle S. Doolittle	0.60	43	2018	WSH	3	3	.500	0	1.60	60	0	0	25	45.0	21	8	8	3	6	2	35	1	163	1	12.00	1.20	10.00	0.60	36.8	3.7	.196	1.60	39	1.89	46	4.20	11.1
4	Dennis Eckersley D. Eckersley	0.61	51	1989	OAK	4	0	1.000	0	1.56	55	0	0	33	57.2	32	10	10	5	3	1	46	0	206	0	8.58	0.47	18.33	0.78	26.7	1.5	.190	1.56	43	2.18	60	4.99	9.6
5	Dennis Eckersley D. Eckersley	0.61	63	1990	OAK	4	2	.667	0	0.61	73	0	0	48	73.1	41	5	9	2	4	0	61	1	262	0	8.96	0.49	18.25	0.25	27.9	1.5	.213	1.10	17	1.33	35	5.03	20.6
6	Koji Uehara K. Uehara	0.64	37	2012	TEX	0	0		0	1.75	43	0	0	1	36.0	20	7	7	4	3	0	13	0	130	1	10.75	0.75	14.33	1.00	33.1	2.3	.200	1.75	40	2.39	56	5.00	7.3
7	Charlie Furbush C. Furbush	0.65	33	2015	SEA	1	1	.500	0	2.08	17	0	0	0	21.2	9	5	6	2	5	2	4	2	82	5	7.06	2.08	3.40	0.83	20.7	6.1	.125	2.49	54	3.73	94	3.74	0.5
8	Craig Kimbrel C. Kimbrel	0.65	63	2012	ATL	3	1	.750	0	1.01	116	0	0	42	62.2	27	7	7	3	14	2	56	0	231	5	16.66	2.01	8.29	0.43	50.2	6.1	.250	1.01	26	0.77	20	3.88	21.6
9	Emmanuel Clase E. Clase	0.66	74	2024	CLE	4	2	.667	0	0.61	66	0	0	47	74.1	39	5	10	2	10	2	66	1	270	2	7.99	1.21	6.60	0.24	24.4	3.7	.195	1.21	15	2.22	55	4.72	15.2
10	Mariano Rivera M. Rivera	0.67	64	2008	NYY	6	5	.545	0	1.40	77	0	0	39	70.2	41	11	11	4	6	2	60	0	259	1	9.81	0.76	12.83	0.51	29.7	2.3	.218	1.40	32	2.02	47	5.22	18
11	Kenley Jansen K. Jansen	0.67	72	2016	LAD	3	2	.600	0	1.83	104	0	0	47	68.2	35	14	14	4	11	2	63	2	251	1	13.63	1.44	9.45	0.52	41.4	4.4	.238	1.83	46	1.43	36	4.59	20.2
12	Danny Coulombe D. Coulombe	0.67	33	2024	BAL	1	0	1.000	0	2.12	32	0	0	1	29.2	15	7	7	3	5	0	3	0	107	2	9.71	1.52	6.40	0.91	29.9	4.7	.179	2.12	54	2.82	70	4.55	4
13	Joaquin Benoit J. Benoit	0.68	63	2010	TBR	1	2	.333	0	1.34	75	0	0	1	60.1	30	9	10	6	11	0	16	1	217	1	11.19	1.64	6.82	0.90	34.6	5.1	.192	1.49	34	2.43	60	4.48	11.1
14	Steven Okert S. Okert	0.68	39	2025	HOU	1	2	.333	0	2.32	50	0	0	1	42.2	22	11	12	4	7	2	5	1	157	0	10.55	1.48	7.14	0.84	31.8	4.5	.191	2.53	58	2.58	64	4.64	7
15	Craig Kimbrel C. Kimbrel	0.68	67	2017	BOS	5	0	1.000	0	1.43	126	0	0	35	69.0	33	11	11	6	14	4	51	0	254	5	16.43	1.83	9.00	0.78	49.6	5.5	.260	1.43	31	1.41	32	4.30	22.7
16	Andrew Miller A. Miller	0.69	70	2016	TOT	10	1	.909	0	1.45	123	0	0	12	74.1	42	12	13	8	9	2	23	0	275	1	14.89	1.09	13.67	0.97	44.7	3.3	.256	1.57	34	1.67	38	5.09	21.7
17	Eric Gagne E. Gagne	0.69	77	2003	LAD	2	3	.400	0	1.20	137	0	0	55	82.1	37	11	12	2	20	3	67	2	306	2	14.98	2.19	6.85	0.22	44.8	6.5	.243	1.31	30	0.85	20	4.04	31.8
18	J.J. Putz	0.70	68	2007	SEA	6	1	.857	0	1.38	82	0	0	40	71.2	37	11	11	6	13	2	65	0	260	3	10.30	1.63	6.31	0.75	31.5	5.0	.197	1.38	32	2.66	61	4.65	13.7
19	Sergio Romo S. Romo	0.71	65	2011	SFG	3	1	.750	0	1.50	70	0	0	1	48.0	29	8	8	2	5	0	16	1	175	0	13.13	0.94	14.00	0.38	40.0	2.9	.276	1.50	42	0.96	26	5.44	15.1
20	Cla Meredith C. Meredith	0.71	45	2006	SDP	5	1	.833	0	1.07	37	0	0	0	50.2	30	6	6	3	6	2	11	3	185	0	6.57	1.07	6.17	0.53	20.0	3.2	.197	1.07	26	2.92	67	5.33	8.2
21	Takashi Saito T. Saito	0.72	63	2007	LAD	2	1	.667	0	1.40	78	0	0	39	64.1	33	10	10	5	13	3	55	0	234	0	10.91	1.82	6.00	0.70	33.3	5.6	.207	1.40	33	2.56	58	4.62	13.6
22	Huston Street H. Street	0.72	40	2012	SDP	2	1	.667	0	1.85	47	0	0	23	39.0	17	8	8	2	11	0	36	1	144	1	10.85	2.54	4.27	0.46	32.6	7.6	.179	1.85	51	2.19	58	3.92	7.1
23	Casey Sadler C. Sadler	0.72	42	2021	SEA	0	1	.000	0	0.67	37	0	0	0	40.1	19	3	4	1	10	1	2	0	145	2	8.26	2.23	3.70	0.22	25.5	6.9	.188	0.89	16	2.47	59	4.24	7.7
24	Bryan Hudson B. Hudson	0.72	43	2024	MIL	6	1	.857	0	1.73	62	0	0	0	62.1	28	12	12	7	17	3	1	0	231	1	8.95	2.45	3.65	1.01	26.8	7.4	.148	1.73	42	3.59	88	4.04	3.5
25	Koji Uehara K. Uehara	0.72	65	2011	TOT	2	3	.400	0	2.35	85	0	0	0	65.0	38	17	17	11	9	0	22	1	243	0	11.77	1.25	9.44	1.52	35.0	3.7	.196	2.35	55	3.02	72	5.26	8.2