Doug Jones had the lowest WHIP by a relief pitcher with more than 30.0 innings pitched in 1997, with a WHIP of 0.88.

	NAME	WHIP	IP	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	Doug Jones D. Jones	0.88	80.1	1997	MIL	75	6	6	.500	0	2.02	82	0	0	36	62	18	20	4	9	3	73	1	307	2	9.19	1.01	9.11	0.45	26.7	2.9	.278	2.24	6.95
2	Bob Patterson B. Patterson	0.96	59.1	1997	CHC	76	1	6	.143	0	3.34	58	0	0	0	47	22	23	9	10	0	12	1	231	1	8.80	1.52	5.80	1.37	25.1	4.3	.247	3.49	7.13
3	Jeff Shaw J. Shaw	0.96	94.2	1997	CIN	78	4	2	.667	0	2.38	74	0	0	42	79	25	26	7	12	1	62	3	367	1	7.04	1.14	6.17	0.67	20.2	3.3	.264	2.47	7.51
4	John Wetteland J. Wetteland	0.98	65.0	1997	TEX	61	7	2	.778	0	1.94	63	0	0	31	43	14	18	5	21	0	58	3	259	1	8.72	2.91	3.00	0.69	24.3	8.1	.224	2.49	5.95
5	Rigo Beltran R. Beltran	1.00	33.0	1997	STL	31	1	1	.500	0	2.45	37	0	0	1	23	9	10	1	10	0	16	0	131	1	10.09	2.73	3.70	0.27	28.2	7.6	.265	2.73	6.27
6	Trevor Hoffman T. Hoffman	1.02	81.1	1997	SDP	70	6	4	.600	0	2.66	111	0	0	37	59	24	25	9	24	0	59	4	322	7	12.28	2.66	4.63	1.00	34.5	7.5	.281	2.77	6.53
7	Rick Helling R. Helling	1.03	40.2	1997	TOT	25	0	2	.000	0	2.21	29	0	0	0	23	10	11	4	19	2	9	2	152	1	6.42	4.20	1.53	0.89	19.1	12.5	.194	2.43	5.09
8	Mike Magnante M. Magnante	1.05	47.2	1997	HOU	40	3	1	.750	0	2.27	43	0	0	1	39	12	16	2	11	0	14	2	191	2	8.12	2.08	3.91	0.38	22.5	5.8	.274	3.02	7.36
9	Antonio Osuna A. Osuna	1.05	61.2	1997	LAD	48	3	4	.429	0	2.19	68	0	0	0	46	15	15	6	19	1	18	2	245	2	9.92	2.77	3.58	0.88	27.8	7.8	.265	2.19	6.71
10	Arthur Rhodes A. Rhodes	1.06	95.1	1997	BAL	53	10	3	.769	0	3.02	102	0	0	1	75	32	32	9	26	4	6	5	378	2	9.63	2.45	3.92	0.85	27.0	6.9	.278	3.02	7.08
11	Rod Beck R. Beck	1.07	70.0	1997	SFG	73	7	4	.636	0	3.47	53	0	0	37	67	27	31	7	8	2	66	2	281	1	6.81	1.03	6.63	0.90	18.9	2.8	.284	3.99	8.61
12	Greg Swindell G. Swindell	1.07	112.0	1997	MIN	64	7	3	.700	0	3.29	72	0	0	1	96	41	41	10	24	2	12	3	441	0	5.79	1.93	3.00	0.80	16.3	5.4	.258	3.29	7.71
13	Dennis Eckersley D. Eckersley	1.08	53.0	1997	STL	57	1	5	.167	0	3.91	45	0	0	36	49	23	24	9	8	2	47	0	218	2	7.64	1.36	5.63	1.53	20.6	3.7	.260	4.08	8.32
14	Joe Crawford J. Crawford	1.09	34.0	1997	NYM	17	3	2	.600	0	3.71	21	0	0	0	27	14	15	6	10	0	9	1	134	0	5.56	2.65	2.10	1.59	15.7	7.5	.216	3.97	7.15
15	Mike Cather M. Cather	1.12	37.2	1997	ATL	35	2	4	.333	0	2.39	29	0	0	0	23	10	12	1	19	2	10	4	155	0	6.93	4.54	1.53	0.24	18.7	12.3	.212	2.87	5.50
16	Scott Sullivan S. Sullivan	1.12	97.1	1997	CIN	59	5	3	.625	0	3.24	96	0	0	1	79	35	36	12	30	7	15	8	402	7	8.88	2.77	3.20	1.11	23.9	7.5	.261	3.33	7.30
17	Ramiro Mendoza R. Mendoza	1.13	46.0	1997	NYY	24	3	1	.750	0	2.93	23	0	0	2	47	15	15	4	5	2	9	1	187	1	4.50	0.98	4.60	0.78	12.3	2.7	.281	2.93	9.20
18	Greg McMichael G. McMichael	1.14	87.2	1997	NYM	73	7	10	.412	0	2.98	81	0	0	7	73	29	34	8	27	2	23	6	355	5	8.32	2.77	3.00	0.82	22.8	7.6	.274	3.49	7.49
19	Jeff Nelson J. Nelson	1.14	78.2	1997	NYY	77	3	7	.300	0	2.86	81	0	0	2	53	25	32	7	37	4	22	12	327	4	9.27	4.23	2.19	0.80	24.8	11.3	.232	3.66	6.06
20	John Franco J. Franco	1.15	60.0	1997	NYM	59	5	3	.625	0	2.55	53	0	0	36	49	17	18	3	20	1	53	2	244	6	7.95	3.00	2.65	0.45	21.7	8.2	.275	2.70	7.35
21	Randy Myers R. Myers	1.16	59.2	1997	BAL	61	2	3	.400	0	1.51	56	0	0	45	47	10	12	2	22	0	57	2	241	3	8.45	3.32	2.55	0.30	23.2	9.1	.280	1.81	7.09
22	Jesse Orosco J. Orosco	1.17	50.1	1997	BAL	71	6	3	.667	0	2.32	46	0	0	0	29	13	13	6	30	0	12	0	205	1	8.23	5.36	1.53	1.07	22.4	14.6	.187	2.32	5.19
23	Michael Jackson M. Jackson	1.17	75.0	1997	CLE	71	2	5	.286	0	3.24	74	0	0	15	59	27	33	3	29	4	38	5	313	2	8.88	3.48	2.55	0.36	23.6	9.3	.276	3.96	7.08
24	Stan Belinda S. Belinda	1.18	99.1	1997	CIN	84	1	5	.167	0	3.71	114	0	0	1	84	41	42	11	33	9	18	6	420	5	10.33	2.99	3.45	1.00	27.1	7.9	.289	3.81	7.61
25	Paul Assenmacher P. Assenmacher	1.18	49.0	1997	CLE	75	5	0	1.000	0	2.94	53	0	0	4	43	16	17	5	15	1	20	5	205	4	9.73	2.76	3.53	0.92	25.9	7.3	.290	3.12	7.90