who has the most seasons with an era under 3.00 active player

Kenley Jansen has played the most seasons by an active player with an ERA better than 3.00, with 10 seasons.

	NAME	SEAS	ERA	G	W	L	W%	GS	SO	CG	SHO	SV	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	10	2.14	606	33	21	.611	0	884	0	0	297	605.0	363	144	151	47	181	18	432	13	2,360	15	13.15	2.69	4.88	0.70	37.5	7.7	0.90	.257	2.25	56	2.18	55	5.40	121.3
2	Jacob deGrom J. deGrom	9	2.31	182	69	43	.616	182	1,367	2	1	0	1126.0	811	289	315	94	242	20	0	8	4,375	19	10.93	1.93	5.65	0.75	31.2	5.5	0.94	.270	2.52	60	2.51	62	6.48	197.6
3	Aroldis Chapman A. Chapman	9	1.87	511	30	25	.545	0	828	0	0	282	496.2	267	103	114	25	202	20	399	1	1,962	52	15.00	3.66	4.10	0.45	42.2	10.3	0.94	.273	2.07	46	1.78	43	4.84	127
4	Raisel Iglesias R. Iglesias	7	2.42	386	27	26	.509	5	535	0	0	157	450.2	325	121	141	45	122	16	296	9	1,791	12	10.68	2.44	4.39	0.90	29.9	6.8	0.99	.261	2.82	57	2.99	71	6.49	61.2
5	Chris Sale C. Sale	7	2.46	214	70	27	.722	134	1,254	3	0	12	944.0	706	258	273	76	224	54	25	5	3,745	20	11.96	2.14	5.60	0.72	33.5	6.0	0.99	.295	2.60	58	2.41	58	6.73	180.2
6	Corbin Burnes C. Burnes	6	2.70	146	52	25	.675	113	844	0	0	1	725.1	545	218	245	65	194	30	8	3	2,895	30	10.47	2.41	4.35	0.81	29.2	6.7	1.02	.272	3.04	66	2.91	71	6.76	96.6
7	Josh Hader J. Hader	6	2.01	320	23	16	.590	0	612	0	0	143	372.1	188	83	93	42	142	16	197	6	1,444	8	14.79	3.43	4.31	1.02	42.4	9.8	0.89	.231	2.25	48	2.63	62	4.54	67.4
8	Blake Treinen B. Treinen	6	1.82	283	29	15	.659	7	340	0	0	47	322.0	234	65	80	19	102	8	98	11	1,279	12	9.50	2.85	3.33	0.53	26.6	8.0	1.04	.265	2.24	45	2.83	70	6.54	45.2
9	Drew Rasmussen D. Rasmussen	5	2.79	118	29	17	.630	81	407	0	0	2	445.1	355	138	148	38	110	9	14	3	1,769	20	8.23	2.22	3.70	0.77	23.0	6.2	1.04	.263	2.99	72	3.22	81	7.17	38.1
10	Andrés Muñoz A. Muñoz	5	2.28	241	11	22	.333	0	324	0	0	77	236.1	150	60	74	15	93	16	121	12	949	18	12.34	3.54	3.48	0.57	34.1	9.8	1.03	.269	2.82	60	2.62	66	5.71	36
11	Zack Wheeler Z. Wheeler	5	2.73	125	56	31	.644	125	882	4	2	0	787.0	607	239	260	71	181	38	0	4	3,116	17	10.09	2.07	4.87	0.81	28.3	5.8	1.00	.276	2.97	65	2.91	69	6.94	113.2
12	Devin Williams D. Williams	5	1.70	228	27	10	.730	0	361	0	0	68	222.0	111	42	54	13	106	9	96	3	885	12	14.64	4.30	3.41	0.53	40.8	12.0	0.98	.247	2.19	41	2.24	53	4.50	49.4
13	Bryan Abreu B. Abreu	5	1.96	208	10	6	.625	0	309	0	0	14	215.1	145	47	54	12	98	13	56	0	883	12	12.91	4.10	3.15	0.50	35.0	11.1	1.13	.295	2.26	48	2.57	62	6.06	37.4
14	Jason Adam J. Adam	5	2.13	285	24	11	.686	0	313	0	0	24	278.1	171	66	79	22	95	27	54	10	1,102	10	10.12	3.07	3.29	0.71	28.4	8.6	0.96	.231	2.55	53	3.25	80	5.53	24.7
15	Max Fried M. Fried	5	2.63	101	49	17	.742	92	533	1	1	0	548.0	458	160	178	38	140	22	5	2	2,211	23	8.75	2.30	3.81	0.62	24.1	6.3	1.09	.284	2.92	63	2.99	72	7.52	71.8
16	Edwin Díaz E. Díaz	5	1.87	271	11	13	.458	0	478	0	0	141	279.0	175	58	62	19	85	21	204	3	1,100	19	15.42	2.74	5.62	0.61	43.5	7.7	0.93	.314	2.00	47	1.74	42	5.65	74.6
17	Matt Strahm M. Strahm	5	2.16	213	13	12	.520	5	263	0	0	9	229.0	149	55	62	18	67	17	37	4	909	9	10.34	2.63	3.93	0.71	28.9	7.4	0.94	.241	2.44	53	2.98	71	5.86	29.9
18	Gerrit Cole G. Cole	5	2.66	142	76	25	.752	142	1,120	5	4	0	902.2	678	267	296	93	221	29	0	1	3,557	26	11.17	2.20	5.07	0.93	31.5	6.2	1.00	.279	2.95	64	2.87	68	6.76	137.9
19	Brooks Raley B. Raley	4	2.55	164	6	5	.545	0	156	0	0	9	141.0	97	40	45	7	49	14	25	3	579	3	9.96	3.13	3.18	0.45	26.9	8.5	1.04	.255	2.87	65	2.94	72	6.19	17.8
20	David Bednar D. Bednar	4	2.27	236	15	13	.536	0	312	0	0	88	242.1	181	61	74	16	75	6	166	10	975	9	11.59	2.79	4.16	0.59	32.0	7.7	1.06	.292	2.75	53	2.45	58	6.72	47.3
21	A.J. Minter	4	1.97	149	11	9	.550	0	167	0	0	6	137.0	94	30	36	12	40	4	30	3	534	4	10.97	2.63	4.18	0.79	31.3	7.5	0.98	.264	2.36	48	2.80	69	6.18	19
22	Jordan Romano J. Romano	4	2.29	199	19	13	.594	0	251	0	0	97	200.2	141	51	58	19	75	7	147	9	816	2	11.26	3.36	3.35	0.85	30.8	9.2	1.08	.263	2.60	55	3.13	75	6.32	23.7
23	Tyler Rogers T. Rogers	4	2.23	255	16	11	.593	0	170	0	0	14	246.1	219	61	69	16	29	14	48	2	985	2	6.21	1.06	5.86	0.58	17.3	2.9	1.01	.269	2.52	55	3.14	78	8.00	24.4
24	Cole Sulser C. Sulser	4	2.38	95	8	5	.615	2	119	0	0	8	109.2	82	29	30	7	42	0	35	2	442	6	9.77	3.45	2.83	0.57	26.9	9.5	1.13	.274	2.46	56	2.97	69	6.73	16.4
25	Ryan Helsley R. Helsley	4	2.03	176	21	9	.700	0	257	0	0	82	204.1	134	46	54	15	72	1	124	7	804	7	11.32	3.17	3.57	0.66	32.0	9.0	1.01	.259	2.38	49	2.68	66	5.90	32