Kenley Jansen has the most career saves by an active pitcher, with 452 saves.

Interpreted as:

MLB most regular-season saves for active players

	NAME	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	Kenley Jansen K. Jansen	452	880	49	36	.576	0	2.55	1,229	0	0	876.1	578	248	266	80	265	31	660	18	3,476	21	12.62	2.72	4.64	0.82	35.4	7.6	0.96	.266	2.73	64	2.52	62	5.94	147.2
2	Aroldis Chapman A. Chapman	339	807	57	45	.559	0	2.62	1,260	0	0	769.1	454	224	248	52	397	33	526	7	3,152	82	14.74	4.64	3.17	0.61	40.0	12.6	1.11	.285	2.90	64	2.41	58	5.31	146.4
3	Edwin Díaz E. Díaz	231	469	23	33	.411	0	3.05	758	0	0	464.0	327	157	169	52	167	34	354	9	1,894	30	14.70	3.24	4.54	1.01	40.0	8.8	1.06	.311	3.28	75	2.64	63	6.34	79.1
4	Raisel Iglesias R. Iglesias	228	539	38	51	.427	21	2.94	805	0	0	677.2	526	221	246	79	188	25	410	15	2,732	17	10.69	2.50	4.28	1.05	29.5	6.9	1.05	.273	3.27	69	3.24	77	6.99	73.4
5	Josh Hader J. Hader	205	431	29	29	.500	0	2.65	770	0	0	472.2	259	139	149	57	185	22	290	5	1,861	17	14.66	3.52	4.16	1.09	41.4	9.9	0.94	.244	2.84	64	2.79	66	4.93	74.6
6	Emmanuel Clase E. Clase	162	329	19	22	.463	1	1.87	311	0	0	323.0	241	67	100	14	61	6	265	8	1,269	15	8.67	1.70	5.10	0.39	24.5	4.8	0.93	.259	2.79	45	2.43	59	6.72	61.6
7	Liam Hendriks L. Hendriks	116	479	33	34	.493	44	3.83	729	1	0	653.0	622	278	310	78	162	19	213	16	2,721	42	10.05	2.23	4.50	1.08	26.8	6.0	1.20	.314	4.27	93	3.28	79	8.57	65.6
8	Ryan Pressly R. Pressly	115	634	37	37	.500	0	3.25	698	0	0	661.0	577	239	268	61	196	13	248	14	2,721	47	9.50	2.67	3.56	0.83	25.7	7.2	1.17	.294	3.65	78	3.18	76	7.86	74
9	Jordan Romano J. Romano	106	242	20	18	.526	0	3.31	294	0	0	239.0	189	88	97	30	94	13	166	11	1,001	2	11.07	3.54	3.13	1.13	29.4	9.4	1.18	.279	3.65	79	3.68	87	7.12	13.9
10	Camilo Doval C. Doval	95	241	23	17	.575	0	3.28	290	0	0	233.1	184	85	110	16	109	15	168	13	995	23	11.19	4.20	2.66	0.62	29.1	11.0	1.26	.297	4.24	81	3.16	80	7.10	21.6
11	Kyle Finnegan K. Finnegan	95	301	22	26	.458	0	3.50	301	0	0	301.0	275	117	143	40	123	4	165	14	1,274	15	9.00	3.68	2.45	1.20	23.6	9.7	1.32	.292	4.28	84	4.16	98	8.22	2.4
12	Kirby Yates K. Yates	94	436	27	22	.551	0	3.17	594	0	0	423.0	302	149	161	55	168	29	197	13	1,752	18	12.64	3.57	3.54	1.17	33.9	9.6	1.11	.273	3.43	77	3.45	83	6.43	33.9
13	Carlos Estévez C. Estévez	88	449	28	31	.475	0	4.17	450	0	0	431.1	412	200	224	54	170	21	200	20	1,869	23	9.39	3.55	2.65	1.13	24.1	9.1	1.35	.305	4.67	88	4.04	91	8.60	18.2
14	Ryan Helsley R. Helsley	85	247	28	14	.667	0	2.62	324	0	0	271.2	187	79	88	22	115	2	139	11	1,098	14	10.73	3.81	2.82	0.73	29.5	10.5	1.11	.260	2.92	64	3.12	76	6.20	29.4
15	David Bednar D. Bednar	85	257	12	20	.375	0	3.41	309	0	0	258.2	216	98	114	26	93	8	171	12	1,086	8	10.75	3.24	3.32	0.90	28.5	8.6	1.19	.292	3.97	81	3.26	78	7.52	26.6
16	Paul Sewald P. Sewald	84	371	21	26	.447	0	4.14	463	0	0	386.2	316	178	188	57	128	14	166	15	1,605	8	10.78	2.98	3.62	1.33	28.8	8.0	1.15	.275	4.38	104	3.79	93	7.36	12.1
17	Taylor Rogers T. Rogers	83	519	29	34	.460	0	3.32	579	0	0	498.2	441	184	212	51	145	33	156	20	2,067	12	10.45	2.62	3.99	0.92	28.0	7.0	1.18	.310	3.83	79	3.24	77	7.96	55.4
18	Blake Treinen B. Treinen	82	507	43	36	.544	7	2.79	570	0	0	557.2	465	173	198	40	207	19	191	22	2,293	23	9.20	3.34	2.75	0.65	24.9	9.0	1.21	.292	3.20	67	3.26	78	7.50	55.4
19	Alexis Díaz A. Díaz	75	194	18	14	.563	0	3.01	226	0	0	191.1	118	64	82	16	104	22	122	4	803	11	10.63	4.89	2.17	0.75	28.1	13.0	1.16	.234	3.86	68	3.87	89	5.55	10.6
20	Clay Holmes C. Holmes	74	316	26	23	.531	9	3.67	394	0	0	363.0	308	148	172	20	166	32	154	7	1,573	29	9.77	4.12	2.37	0.50	25.0	10.6	1.31	.300	4.26	89	3.34	79	7.64	34.5
21	Devin Williams D. Williams	72	250	27	11	.711	0	2.03	383	0	0	243.2	139	55	72	15	119	11	104	3	993	14	14.15	4.40	3.22	0.55	38.6	12.0	1.06	.267	2.66	49	2.43	57	5.13	49.2
22	Pete Fairbanks P. Fairbanks	67	224	18	20	.474	2	3.28	282	0	0	214.1	171	78	91	17	91	7	112	3	901	19	11.84	3.82	3.10	0.71	31.3	10.1	1.22	.306	3.82	79	2.95	71	7.18	28.5
23	Tanner Scott T. Scott	63	396	31	24	.564	0	3.54	497	0	0	381.2	311	150	171	30	202	21	142	12	1,646	27	11.72	4.76	2.46	0.71	30.2	12.3	1.34	.314	4.03	82	3.34	78	7.33	40.6
24	Jhoan Duran J. Duran	60	185	11	19	.367	0	2.54	249	0	0	194.2	149	55	72	16	62	14	101	10	792	15	11.51	2.87	4.02	0.74	31.4	7.8	1.08	.295	3.33	63	2.84	70	6.89	26.8
25	Scott Barlow S. Barlow	58	377	24	21	.533	0	3.56	470	0	0	397.0	334	157	168	36	171	19	140	13	1,681	21	10.65	3.88	2.75	0.82	28.0	10.2	1.27	.303	3.81	82	3.42	82	7.57	35.1