highest save percentage of active mlb players

Kenley Jansen has the most career saves by an active pitcher, with 460 saves.

Interpreted as:

highest regular-season save percentage of active MLB 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	460	897	50	38	.568	0	2.62	1,240	0	0	891.0	594	259	277	85	272	31	674	19	3,543	21	12.53	2.75	4.56	0.86	35.0	7.7	0.97	.266	2.80	66	2.61	64	6.00	142.1
2	Aroldis Chapman A. Chapman	347	828	58	46	.558	0	2.59	1,285	0	0	789.0	463	227	252	53	402	33	538	7	3,225	82	14.66	4.59	3.20	0.60	39.8	12.5	1.10	.282	2.87	63	2.40	58	5.28	151.1
3	Edwin Díaz E. Díaz	240	486	25	33	.431	0	2.95	783	0	0	481.1	334	158	170	52	173	35	368	9	1,959	31	14.64	3.23	4.53	0.97	40.0	8.8	1.05	.308	3.18	73	2.60	62	6.25	84
4	Raisel Iglesias R. Iglesias	232	557	41	54	.432	21	3.02	824	0	0	694.2	551	233	259	82	192	26	423	16	2,810	17	10.68	2.49	4.29	1.06	29.3	6.8	1.07	.278	3.36	71	3.26	78	7.14	73.2
5	Josh Hader J. Hader	216	447	30	29	.508	0	2.63	798	0	0	488.2	269	143	153	60	189	23	305	5	1,925	18	14.70	3.48	4.22	1.11	41.5	9.8	0.94	.244	2.82	64	2.80	67	4.95	76.6
6	Emmanuel Clase E. Clase	172	348	20	22	.476	1	1.82	333	0	0	341.2	254	69	104	14	63	8	281	8	1,342	17	8.77	1.66	5.29	0.37	24.8	4.7	0.93	.260	2.74	44	2.37	57	6.69	67.2
7	Ryan Pressly R. Pressly	116	651	37	38	.493	0	3.29	709	0	0	676.0	594	247	278	61	201	15	253	14	2,790	47	9.44	2.68	3.53	0.81	25.4	7.2	1.18	.295	3.70	79	3.18	76	7.91	75.5
8	Liam Hendriks L. Hendriks	116	490	33	36	.478	44	3.88	739	1	0	663.2	630	286	319	79	166	20	218	16	2,766	42	10.02	2.25	4.45	1.07	26.7	6.0	1.20	.313	4.33	94	3.29	80	8.54	65.9
9	Jordan Romano J. Romano	113	258	20	20	.500	0	3.33	316	0	0	254.0	202	94	103	31	100	13	176	11	1,062	2	11.20	3.54	3.16	1.10	29.8	9.4	1.19	.284	3.65	80	3.60	85	7.16	16.9
10	Héctor Neris H. Neris	107	625	45	42	.517	0	3.43	755	0	0	611.2	493	233	258	80	233	35	268	15	2,558	37	11.11	3.43	3.24	1.18	29.5	9.1	1.19	.284	3.80	83	3.71	88	7.25	35.2
11	Kyle Finnegan K. Finnegan	104	316	22	27	.449	0	3.45	309	0	0	315.1	289	121	149	40	125	5	177	14	1,331	16	8.82	3.57	2.47	1.14	23.2	9.4	1.31	.292	4.25	83	4.09	97	8.25	4.6
12	Carlos Estévez C. Estévez	101	466	29	32	.475	0	4.06	467	0	0	448.0	428	202	227	54	174	21	215	21	1,938	23	9.38	3.50	2.68	1.08	24.1	9.0	1.34	.306	4.56	86	3.95	90	8.60	22.5
13	Camilo Doval C. Doval	100	261	25	17	.595	0	3.13	312	0	0	253.1	198	88	113	17	119	15	178	13	1,074	25	11.08	4.23	2.62	0.60	29.1	11.1	1.25	.296	4.01	78	3.16	80	7.03	23.3
14	Ryan Helsley R. Helsley	95	263	31	14	.689	0	2.72	342	0	0	287.2	207	87	96	25	119	3	153	12	1,170	17	10.70	3.72	2.87	0.78	29.2	10.2	1.13	.267	3.00	67	3.18	78	6.48	28.8
15	Kirby Yates K. Yates	95	447	30	23	.566	0	3.21	604	0	0	431.2	313	154	167	57	171	29	200	13	1,792	18	12.59	3.57	3.53	1.19	33.7	9.5	1.12	.275	3.48	79	3.47	84	6.53	33.2
16	David Bednar D. Bednar	94	278	13	22	.371	0	3.36	336	0	0	278.1	231	104	120	27	96	9	187	12	1,162	10	10.86	3.10	3.50	0.87	28.9	8.3	1.17	.294	3.88	80	3.15	75	7.47	31.8
17	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
18	Taylor Rogers T. Rogers	83	535	30	36	.455	0	3.30	594	0	0	513.0	452	188	217	52	150	33	158	21	2,125	12	10.42	2.63	3.96	0.91	28.0	7.1	1.17	.309	3.81	78	3.23	77	7.93	57.4
19	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
20	Devin Williams D. Williams	77	270	29	12	.707	0	2.21	407	0	0	261.0	150	64	81	16	124	14	111	3	1,062	15	14.03	4.28	3.28	0.55	38.3	11.7	1.05	.267	2.79	53	2.43	57	5.17	52.5
21	Pete Fairbanks P. Fairbanks	75	242	19	20	.487	2	3.18	297	0	0	232.1	182	82	97	17	98	7	125	3	977	20	11.51	3.80	3.03	0.66	30.4	10.0	1.21	.296	3.76	77	2.92	70	7.05	31.3
22	Clay Holmes C. Holmes	74	324	31	25	.554	17	3.57	425	0	0	410.2	350	163	187	28	176	34	154	7	1,763	32	9.31	3.86	2.41	0.61	24.1	10.0	1.28	.293	4.10	87	3.51	84	7.67	30.3
23	Jhoan Duran J. Duran	68	206	15	20	.429	0	2.38	276	0	0	215.2	165	57	76	16	67	15	118	12	876	17	11.52	2.80	4.12	0.67	31.5	7.6	1.08	.297	3.17	59	2.70	66	6.89	33.1
24	Tanner Scott T. Scott	67	416	32	26	.552	0	3.60	521	0	0	400.1	327	160	184	32	206	21	149	12	1,721	28	11.71	4.63	2.53	0.72	30.3	12.0	1.33	.313	4.14	84	3.30	77	7.35	43.7
25	Félix Bautista F. Bautista	61	144	12	7	.632	0	2.05	228	0	0	149.1	81	34	40	13	65	3	96	1	586	10	13.74	3.92	3.51	0.78	38.9	11.1	0.98	.245	2.41	52	2.60	65	4.88	23.8