lowest batting average in a season by a relief pitcher with at least 30 ip; maximum 0.99 whip

45 players are tied for the lowest batting average by a relief pitcher with 30.0+ innings pitched with a WHIP of 0.99 or lower in a season, with an average of .000. The first three are Shelby Miller in 2023 and Ranger Suárez and Joe Kelly in 2021.

	NAME	AVG	IP	WHIP	SEASON	TM	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	H/9
1	Shelby Miller S. Miller	.000	41.0	0.90	2023	LAD	35	2	0	1.000	0	1.76	41	0	0	1	18	8	8	3	19	2	12	2	159	1	9.00	4.17	2.16	0.66	25.8	11.9	.160	1.76	3.95
2	Ranger Suárez R. Suárez	.000	40.1	0.87	2021	PHI	27	5	3	.625	0	1.12	42	0	0	4	21	5	9	3	14	3	13	2	158	0	9.37	3.12	3.00	0.67	26.6	8.9	.188	2.01	4.69
3	Joe Kelly J. Kelly	.000	44.0	0.98	2021	LAD	48	2	0	1.000	0	2.86	50	0	0	2	28	14	16	3	15	4	7	1	182	0	10.23	3.07	3.33	0.61	27.5	8.2	.227	3.27	5.73
4	Alex Vesia A. Vesia	.000	40.0	0.98	2021	LAD	41	3	1	.750	0	2.25	54	0	0	1	17	10	17	6	22	2	7	3	161	0	12.15	4.95	2.45	1.35	33.5	13.7	.143	3.83	3.83
5	Tejay Antone T. Antone	.000	33.2	0.89	2021	CIN	23	2	0	1.000	0	2.14	42	0	0	3	17	8	8	3	13	3	4	0	128	1	11.23	3.48	3.23	0.80	32.8	10.2	.209	2.14	4.54
6	Craig Kimbrel C. Kimbrel	.000	59.2	0.91	2021	TOT	63	4	5	.444	0	2.26	100	0	0	24	31	15	19	6	23	3	43	1	235	8	15.08	3.47	4.35	0.91	42.6	9.8	.243	2.87	4.68
7	Jarlín García J. García	.000	68.2	0.96	2021	SFG	58	6	3	.667	0	2.62	68	0	0	1	48	20	26	9	18	2	13	3	269	2	8.91	2.36	3.78	1.18	25.3	6.7	.227	3.41	6.29
8	David Bednar D. Bednar	.000	60.2	0.97	2021	PIT	61	3	1	.750	0	2.23	77	0	0	3	40	15	15	5	19	1	24	2	237	1	11.42	2.82	4.05	0.74	32.5	8.0	.259	2.23	5.93
9	Adrian Houser A. Houser	.000	30.2	0.95	2019	MIL	17	4	0	1.000	0	1.47	33	0	0	0	18	5	6	2	11	0	7	1	115	0	9.68	3.23	3.00	0.59	28.7	9.6	.232	1.76	5.28
10	Emilio Pagán E. Pagán	.000	70.0	0.83	2019	TBR	66	4	2	.667	0	2.31	96	0	0	20	45	18	19	12	13	1	29	1	267	3	12.34	1.67	7.38	1.54	36.0	4.9	.228	2.44	5.79
11	Giovanny Gallegos G. Gallegos	.000	74.0	0.81	2019	STL	66	3	2	.600	0	2.31	93	0	0	1	44	19	19	9	16	3	10	2	279	3	11.31	1.95	5.81	1.09	33.3	5.7	.222	2.31	5.35
12	Felipe Vazquez F. Vazquez	.000	60.0	0.93	2019	PIT	56	5	1	.833	0	1.65	90	0	0	28	43	11	12	5	13	4	47	0	236	3	13.50	1.95	6.92	0.75	38.1	5.5	.306	1.80	6.45
13	Yimi García Y. García	.000	62.1	0.87	2019	LAD	64	1	4	.200	0	3.61	66	0	0	0	40	25	28	15	14	6	22	2	247	1	9.53	2.02	4.71	2.17	26.7	5.7	.171	4.04	5.78
14	Josh Hader J. Hader	.000	75.2	0.81	2019	MIL	61	3	5	.375	0	2.62	138	0	0	37	41	22	24	15	20	4	46	2	289	0	16.41	2.38	6.90	1.78	47.8	6.9	.232	2.85	4.88
15	Yusmeiro Petit Y. Petit	.000	83.0	0.81	2019	OAK	80	5	3	.625	0	2.71	71	0	0	0	57	25	25	11	10	0	6	0	308	2	7.70	1.08	7.10	1.19	23.1	3.2	.213	2.71	6.18
16	José Castillo J. Castillo	.000	38.1	0.91	2018	SDP	37	3	3	.500	0	3.29	52	0	0	0	23	14	14	3	12	3	5	1	150	1	12.21	2.82	4.33	0.70	34.7	8.0	.250	3.29	5.40
17	Seranthony Domínguez S. Domínguez	.000	58.0	0.93	2018	PHI	53	2	5	.286	0	2.95	74	0	0	16	32	19	19	4	22	4	24	2	231	10	11.48	3.41	3.36	0.62	32.0	9.5	.220	2.95	4.97
18	David Hernandez D. Hernandez	.000	64.0	0.98	2018	CIN	57	5	2	.714	0	2.53	65	0	0	0	46	18	20	6	17	5	6	1	254	3	9.14	2.39	3.82	0.84	25.6	6.7	.248	2.81	6.47
19	Shawn Kelley S. Kelley	.000	49.0	0.90	2018	TOT	54	2	0	1.000	0	2.94	50	0	0	0	33	16	16	7	11	1	15	3	190	2	9.18	2.02	4.55	1.29	26.3	5.8	.215	2.94	6.06
20	Pedro Strop P. Strop	.000	59.2	0.99	2018	CHC	60	6	1	.857	0	2.26	57	0	0	13	38	15	15	4	21	5	20	3	240	3	8.60	3.17	2.71	0.60	23.8	8.8	.222	2.26	5.73
21	Kirby Yates K. Yates	.000	63.0	0.92	2018	SDP	65	5	3	.625	0	2.14	90	0	0	12	41	15	15	6	17	4	28	0	250	2	12.86	2.43	5.29	0.86	36.0	6.8	.263	2.14	5.86
22	Joe Musgrove J. Musgrove	.000	31.1	0.86	2017	HOU	23	3	0	1.000	0	1.44	31	0	0	2	22	5	5	2	5	2	5	1	120	2	8.90	1.44	6.20	0.57	25.8	4.2	.250	1.44	6.32
23	Josh Hader J. Hader	.000	47.2	0.99	2017	MIL	35	2	3	.400	0	2.08	68	0	0	0	25	11	11	4	22	4	2	1	188	0	12.84	4.15	3.09	0.76	36.2	11.7	.233	2.08	4.72
24	John Brebbia J. Brebbia	.000	51.2	0.93	2017	STL	50	0	0		0	2.44	51	0	0	0	37	14	15	8	11	5	13	3	209	2	8.88	1.92	4.64	1.39	24.4	5.3	.216	2.61	6.45
25	Emilio Pagán E. Pagán	.000	50.1	0.93	2017	SEA	34	2	3	.400	0	3.22	56	0	0	0	39	18	20	7	8	1	9	0	196	1	10.01	1.43	7.00	1.25	28.6	4.1	.258	3.58	6.97