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	808	57	45	.559	0	2.62	1,262	0	0	770.1	454	224	248	52	397	33	527	7	3,155	82	14.74	4.64	3.18	0.61	40.0	12.6	1.10	.285	2.90	64	2.41	58	5.30	146.9
3	Edwin Díaz E. Díaz	232	470	23	33	.411	0	3.04	761	0	0	465.0	327	157	169	52	168	34	355	9	1,898	30	14.73	3.25	4.53	1.01	40.1	8.9	1.06	.311	3.27	75	2.64	63	6.33	79.6
4	Raisel Iglesias R. Iglesias	229	541	39	51	.433	21	2.94	806	0	0	679.2	529	222	247	80	188	25	411	15	2,740	17	10.67	2.49	4.29	1.06	29.4	6.9	1.05	.274	3.27	69	3.26	77	7.00	72.4
5	Josh Hader J. Hader	206	433	29	29	.500	0	2.67	773	0	0	474.2	262	141	151	58	185	22	292	5	1,870	18	14.66	3.51	4.18	1.10	41.3	9.9	0.94	.245	2.86	65	2.81	67	4.97	74
6	Emmanuel Clase E. Clase	162	331	20	22	.476	1	1.86	313	0	0	325.0	242	67	100	14	61	6	266	8	1,275	15	8.67	1.69	5.13	0.39	24.5	4.8	0.93	.259	2.77	45	2.42	58	6.70	62.3
7	Liam Hendriks L. Hendriks	116	480	33	34	.493	44	3.83	731	1	0	654.0	622	278	310	78	163	19	214	16	2,725	42	10.06	2.24	4.48	1.07	26.8	6.0	1.20	.314	4.27	93	3.28	79	8.56	65.8
8	Ryan Pressly R. Pressly	115	635	37	37	.500	0	3.25	698	0	0	662.0	577	239	268	61	197	13	248	14	2,725	47	9.49	2.68	3.54	0.83	25.6	7.2	1.17	.294	3.64	78	3.19	76	7.84	73.8
9	Jordan Romano J. Romano	107	243	20	18	.526	0	3.30	295	0	0	240.0	189	88	97	30	94	13	167	11	1,004	2	11.06	3.53	3.14	1.13	29.4	9.4	1.18	.278	3.64	78	3.67	87	7.09	14.3
10	Camilo Doval C. Doval	95	242	24	17	.585	0	3.26	292	0	0	234.1	184	85	110	16	109	15	169	13	998	23	11.21	4.19	2.68	0.61	29.3	10.9	1.25	.297	4.22	81	3.15	79	7.07	22.1
11	Kyle Finnegan K. Finnegan	95	303	22	27	.449	0	3.55	301	0	0	302.0	277	119	145	40	124	4	166	14	1,280	16	8.97	3.70	2.43	1.19	23.5	9.7	1.33	.292	4.32	85	4.17	98	8.25	2.1
12	Kirby Yates K. Yates	94	438	29	22	.569	0	3.16	595	0	0	425.0	304	149	162	55	169	29	198	13	1,761	18	12.60	3.58	3.52	1.16	33.8	9.6	1.11	.273	3.43	77	3.45	83	6.44	34
13	Carlos Estévez C. Estévez	90	451	28	31	.475	0	4.15	452	0	0	433.1	413	200	224	54	170	21	202	20	1,876	23	9.39	3.53	2.66	1.12	24.1	9.1	1.35	.304	4.65	88	4.02	91	8.58	18.8
14	Ryan Helsley R. Helsley	86	249	29	14	.674	0	2.66	324	0	0	273.2	190	81	90	23	115	2	141	11	1,106	14	10.66	3.78	2.82	0.76	29.3	10.4	1.11	.260	2.96	65	3.17	77	6.25	28.1
15	David Bednar D. Bednar	86	259	12	20	.375	0	3.42	311	0	0	260.2	218	99	115	26	94	8	173	12	1,094	8	10.74	3.25	3.31	0.90	28.4	8.6	1.20	.293	3.97	81	3.26	78	7.53	26.9
16	Paul Sewald P. Sewald	84	373	21	26	.447	0	4.15	465	0	0	388.0	318	179	189	57	128	14	166	15	1,611	8	10.79	2.97	3.63	1.32	28.9	7.9	1.15	.276	4.38	104	3.77	93	7.38	12.6
17	Taylor Rogers T. Rogers	83	520	29	34	.460	0	3.31	579	0	0	499.2	441	184	212	51	145	33	156	20	2,070	12	10.43	2.61	3.99	0.92	28.0	7.0	1.17	.309	3.82	78	3.24	77	7.94	55.5
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	195	18	14	.563	0	2.99	227	0	0	192.1	118	64	82	16	104	22	122	4	807	11	10.62	4.87	2.18	0.75	28.1	12.9	1.15	.233	3.84	67	3.86	88	5.52	11
20	Clay Holmes C. Holmes	74	317	27	23	.540	10	3.62	396	0	0	368.0	312	148	172	20	166	32	154	7	1,591	29	9.68	4.06	2.39	0.49	24.9	10.4	1.30	.299	4.21	88	3.33	79	7.63	35.4
21	Devin Williams D. Williams	72	252	27	12	.692	0	2.13	384	0	0	244.2	141	58	75	15	119	12	105	3	999	14	14.13	4.38	3.23	0.55	38.4	11.9	1.06	.269	2.76	51	2.44	57	5.19	49.2
22	Pete Fairbanks P. Fairbanks	69	226	18	20	.474	2	3.24	283	0	0	216.1	172	78	91	17	91	7	114	3	908	19	11.77	3.79	3.11	0.71	31.2	10.0	1.22	.304	3.79	79	2.94	71	7.16	28.9
23	Tanner Scott T. Scott	63	398	31	24	.564	0	3.52	500	0	0	383.2	312	150	171	30	202	21	143	12	1,652	27	11.73	4.74	2.48	0.70	30.3	12.2	1.34	.314	4.01	82	3.32	77	7.32	41.5
24	Jhoan Duran J. Duran	60	187	11	19	.367	0	2.52	251	0	0	196.2	149	55	72	16	62	14	102	10	798	15	11.49	2.84	4.05	0.73	31.5	7.8	1.07	.292	3.29	62	2.83	69	6.82	27.4
25	Scott Barlow S. Barlow	58	378	24	21	.533	0	3.55	471	0	0	398.0	334	157	168	36	171	19	140	13	1,684	21	10.65	3.87	2.75	0.81	28.0	10.2	1.27	.302	3.80	82	3.41	81	7.55	35.4