Jim Johnson, Eric Gagne and Mariano Rivera were tied for playing the most seasons with 50+ saves, with 2 seasons.

Interpreted as:

MLB pitcher most seasons with 50 or more saves

	NAME	SEAS	SV	G	W	L	W%	ERA	SO	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	Jim Johnson J. Johnson	2	101	145	5	9	.357	2.72	97	139.0	127	42	47	8	33	10	126	5	560	3	6.28	2.14	2.94	0.52	17.3	5.9	1.15	.289	3.04	66	3.35	80	8.22	13
2	Eric Gagne E. Gagne	2	107	154	6	4	.600	1.59	251	164.2	92	29	30	8	36	5	135	6	620	3	13.72	1.97	6.97	0.44	40.5	5.8	0.78	.263	1.64	40	1.32	31	5.03	53.5
3	Mariano Rivera M. Rivera	2	103	145	8	8	.500	2.15	149	159.1	126	38	41	8	32	6	135	5	626	1	8.42	1.81	4.66	0.45	23.8	5.1	0.99	.274	2.32	48	2.54	57	7.12	33.9
4	Edwin Díaz E. Díaz	1	57	73	0	4	.000	1.96	124	73.1	41	16	17	5	17	6	65	0	280	3	15.22	2.09	7.29	0.61	44.3	6.1	0.79	.281	2.09	48	1.60	38	5.03	21.3
5	Jeurys Familia J. Familia	1	51	78	3	4	.429	2.55	84	77.2	63	22	25	1	31	1	67	6	321	3	9.73	3.59	2.71	0.12	26.2	9.7	1.21	.304	2.90	65	2.38	59	7.30	14.6
6	Mark Melancon M. Melancon	1	51	78	3	2	.600	2.23	62	76.2	57	19	22	4	14	2	63	2	293	3	7.28	1.64	4.43	0.47	21.2	4.8	0.93	.251	2.58	58	2.81	74	6.69	8.5
7	Craig Kimbrel C. Kimbrel	1	50	68	4	3	.571	1.21	98	67.0	39	9	10	4	20	3	60	2	258	3	13.16	2.69	4.90	0.54	38.0	7.8	0.88	.263	1.34	33	1.92	53	5.24	13.2
8	Francisco Rodriguez F. Rodriguez	1	62	76	2	3	.400	2.24	77	68.1	54	17	21	4	34	2	69	4	288	6	10.14	4.48	2.26	0.53	26.7	11.8	1.29	.292	2.77	52	3.21	75	7.11	8.1
9	John Smoltz J. Smoltz	1	55	75	3	2	.600	3.25	85	80.1	59	29	30	4	24	0	68	1	314	1	9.52	2.69	3.54	0.45	27.1	7.6	1.03	.274	3.36	80	2.38	57	6.61	16.2
10	Rod Beck R. Beck	1	51	81	3	4	.429	3.02	81	80.1	86	27	33	11	20	2	70	4	349	2	9.07	2.24	4.05	1.23	23.2	5.7	1.32	.319	3.70	71	3.72	86	9.63	5.6
11	Trevor Hoffman T. Hoffman	1	53	66	4	2	.667	1.48	86	73.0	41	12	12	2	21	1	61	2	274	8	10.60	2.59	4.10	0.25	31.4	7.7	0.85	.238	1.48	37	2.04	49	5.05	17.8
12	Randy Myers R. Myers	1	53	73	2	4	.333	3.11	86	75.1	65	26	26	7	26	1	69	2	313	3	10.27	3.11	3.31	0.84	27.5	8.3	1.21	.301	3.11	76	2.98	72	7.77	9.5
13	Dennis Eckersley D. Eckersley	1	51	69	7	1	.875	1.91	93	80.0	62	17	17	5	11	1	65	6	309	0	10.46	1.24	8.45	0.56	30.1	3.6	0.91	.286	1.91	52	1.71	44	6.98	19.4
14	Bobby Thigpen B. Thigpen	1	57	77	4	6	.400	1.83	70	88.2	60	18	20	5	32	1	73	3	347	2	7.11	3.25	2.19	0.51	20.2	9.2	1.04	.230	2.03	47	3.07	80	6.09	7.6