Between the 1990 and 1999 seasons, John Wetteland played the most seasons with 30+ saves, with 7 seasons.

Interpreted as:

most seasons by a player of 30+ saves in the 1990's

	NAME	SEAS	SV	G	W	L	W%	GS	ERA	SO	CG	SHO	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	John Wetteland J. Wetteland	7	270	445	30	22	.577	0	2.50	542	0	0	486.2	373	135	154	44	153	6	406	17	1,978	15	10.02	2.83	3.54	0.81	27.4	7.7	1.08	.267	2.85	57	2.97	68	6.90	76.1
2	Rick Aguilera R. Aguilera	6	219	368	22	29	.431	0	3.01	342	0	0	403.0	340	135	151	38	108	9	351	21	1,633	13	7.64	2.41	3.17	0.85	20.9	6.6	1.11	.266	3.37	68	3.34	79	7.59	39.1
3	Dennis Eckersley D. Eckersley	6	244	383	19	22	.463	0	2.70	427	0	0	409.1	344	123	134	42	51	10	337	16	1,615	3	9.39	1.12	8.37	0.92	26.4	3.2	0.96	.278	2.95	68	2.62	64	7.56	66.1
4	Randy Myers R. Myers	6	236	385	16	25	.390	0	3.05	439	0	0	415.2	364	141	149	36	177	6	339	20	1,757	16	9.51	3.83	2.48	0.78	25.0	10.1	1.30	.298	3.23	75	3.30	80	7.88	40.6
5	Lee Smith L. Smith	6	237	357	18	30	.375	0	2.92	359	0	0	376.2	332	122	131	32	118	1	315	23	1,562	7	8.58	2.82	3.04	0.76	23.0	7.6	1.19	.285	3.13	74	3.05	76	7.93	39.4
6	Trevor Hoffman T. Hoffman	5	203	325	28	18	.609	0	2.40	433	0	0	363.0	246	97	108	32	105	3	287	16	1,425	22	10.74	2.60	4.12	0.79	30.4	7.4	0.97	.251	2.68	60	2.78	66	6.10	60.1
7	Rod Beck R. Beck	5	204	353	18	24	.429	0	3.21	310	0	0	350.1	326	125	138	45	72	10	317	15	1,442	10	7.96	1.85	4.31	1.16	21.5	5.0	1.14	.280	3.55	79	3.69	88	8.37	19.7
8	Roberto Hernandez R. Hernandez	5	182	348	24	22	.522	0	2.65	391	0	0	377.0	329	111	123	25	157	8	301	16	1,602	15	9.33	3.75	2.49	0.60	24.4	9.8	1.29	.298	2.94	58	3.19	70	7.85	57.6
9	Jeff Montgomery J. Montgomery	5	184	311	16	23	.410	0	2.99	315	0	0	381.2	327	127	139	29	125	11	280	14	1,578	12	7.43	2.95	2.52	0.68	20.0	7.9	1.18	.271	3.28	68	3.35	79	7.71	36.6
10	John Franco J. Franco	5	167	274	16	27	.372	0	2.87	255	0	0	297.2	289	95	115	15	107	7	246	15	1,283	22	7.71	3.24	2.38	0.45	19.9	8.3	1.33	.305	3.48	74	3.09	77	8.74	30
11	Tom Henke T. Henke	5	174	285	11	14	.440	0	2.33	301	0	0	309.1	228	80	86	26	97	2	258	9	1,238	15	8.76	2.82	3.10	0.76	24.3	7.8	1.05	.249	2.50	57	3.01	73	6.63	38.2
12	Robb Nen R. Nen	4	147	298	24	19	.558	0	2.75	360	0	0	318.0	277	97	113	21	113	2	262	21	1,335	17	10.19	3.20	3.19	0.59	27.0	8.5	1.23	.305	3.20	66	2.81	65	7.84	53.1
13	Gregg Olson G. Olson	4	134	260	14	20	.412	0	2.69	259	0	0	278.0	233	83	87	11	109	5	225	9	1,149	19	8.38	3.53	2.38	0.36	22.5	9.5	1.23	.290	2.82	67	2.77	68	7.54	39.9
14	Mariano Rivera M. Rivera	3	124	186	13	7	.650	0	1.87	156	0	0	202.0	156	42	45	10	55	4	168	10	815	4	6.95	2.45	2.84	0.45	19.1	6.7	1.04	.247	2.00	41	3.09	67	6.95	33.9
15	Jeff Shaw J. Shaw	3	124	215	9	14	.391	0	2.40	172	0	0	247.2	218	66	73	21	46	3	187	9	990	2	6.25	1.67	3.74	0.76	17.4	4.6	1.07	.263	2.65	57	3.42	78	7.92	25.9
16	Troy Percival T. Percival	3	109	189	6	15	.286	0	3.19	245	0	0	197.2	121	70	75	22	90	8	162	8	808	8	11.16	4.10	2.72	1.00	30.3	11.1	1.07	.223	3.41	66	3.60	75	5.51	26.8
17	Jose Mesa J. Mesa	3	118	199	8	13	.381	0	3.34	164	0	0	205.0	202	76	83	20	85	7	177	10	879	16	7.20	3.73	1.93	0.88	18.7	9.7	1.40	.302	3.64	69	4.14	88	8.87	13.4
18	Todd Worrell T. Worrell	3	111	196	10	13	.435	0	3.41	188	0	0	187.1	180	71	82	21	57	3	175	4	799	7	9.03	2.74	3.30	1.01	23.5	7.1	1.27	.300	3.94	88	3.53	85	8.65	12.7
19	Jeff Russell J. Russell	3	93	178	11	11	.500	0	2.57	145	0	0	192.1	165	55	66	15	65	4	150	5	801	11	6.79	3.04	2.23	0.70	18.1	8.1	1.20	.262	3.09	62	3.44	86	7.72	12.8
20	Doug Jones D. Jones	3	115	221	22	19	.537	0	2.12	230	0	0	276.1	224	65	75	14	48	10	207	10	1,078	6	7.49	1.56	4.79	0.46	21.3	4.5	0.98	.271	2.44	54	2.50	66	7.30	41.7
21	Michael Jackson M. Jackson	2	79	141	4	5	.444	0	2.85	110	0	0	132.2	103	42	43	15	39	6	122	1	530	1	7.46	2.65	2.82	1.02	20.8	7.4	1.07	.244	2.92	58	3.96	84	6.99	11.1
22	Ugueth Urbina U. Urbina	2	75	135	12	9	.571	0	2.54	194	0	0	145.0	96	41	46	8	69	0	121	8	595	9	12.04	4.28	2.81	0.50	32.6	11.6	1.14	.272	2.86	57	2.60	58	5.96	30.1
23	Billy Wagner B. Wagner	2	69	124	8	4	.667	0	2.07	221	0	0	134.2	81	31	33	11	48	1	105	2	533	4	14.77	3.21	4.60	0.74	41.5	9.0	0.96	.278	2.21	51	2.00	48	5.41	34.8
24	Todd Jones T. Jones	2	61	133	9	8	.529	0	3.43	134	0	0	136.1	124	52	59	10	70	2	113	3	588	9	8.85	4.62	1.91	0.66	22.8	11.9	1.42	.306	3.89	72	3.68	77	8.19	16.5
25	Ricky Bottalico R. Bottalico	2	68	130	6	10	.375	0	3.43	163	0	0	141.2	115	54	55	13	65	4	117	6	593	6	10.36	4.13	2.51	0.83	27.5	11.0	1.27	.293	3.49	80	3.48	82	7.31	12.3