lowest era for a relief pitcher in a season with at least 60 ip and 13 k per 9 since 2015 a

Since 2015, Kirby Yates has the best ERA by a relief pitcher with 60.0+ innings pitched and 13.00+ K/9 in a season, with an ERA of 1.19 in 2019.

Interpreted as:

lowest era for a relief pitcher in a season with at least 60 ip and 13 or higher k per 9 since 2015 a

	NAME	ERA	IP	K/9	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Kirby Yates K. Yates	1.19	60.2	14.98	2019	SDP	60	0	5	.000	0	101	0	0	41	41	8	14	2	13	7	51	1	243	2	1.93	7.77	0.30	41.6	5.3	0.89	.325	2.08	6.08
2	Ryan Helsley R. Helsley	1.25	64.2	13.08	2022	STL	54	9	1	.900	0	94	0	0	19	28	9	11	6	20	0	33	1	239	1	2.78	4.70	0.84	39.3	8.4	0.74	.185	1.53	3.90
3	Edwin Díaz E. Díaz	1.31	62.0	17.13	2022	NYM	61	3	1	.750	0	118	0	0	32	34	9	9	3	18	2	49	1	235	2	2.61	6.56	0.44	50.2	7.7	0.84	.330	1.31	4.94
4	Kenley Jansen K. Jansen	1.32	68.1	14.36	2017	LAD	65	5	0	1.000	0	109	0	0	41	44	10	11	5	7	2	57	0	258	2	0.92	15.57	0.66	42.2	2.7	0.75	.289	1.45	5.80
5	Craig Kimbrel C. Kimbrel	1.43	69.0	16.43	2017	BOS	67	5	0	1.000	0	126	0	0	35	33	11	11	6	14	4	51	0	254	5	1.83	9.00	0.78	49.6	5.5	0.68	.260	1.43	4.30
6	Andrew Miller A. Miller	1.44	62.2	13.64	2017	CLE	57	4	3	.571	0	95	0	0	2	31	10	11	3	21	5	6	0	244	1	3.02	4.52	0.43	38.9	8.6	0.83	.233	1.58	4.45
7	Andrew Miller A. Miller	1.45	74.1	14.89	2016	TOT	70	10	1	.909	0	123	0	0	12	42	12	13	8	9	2	23	0	275	1	1.09	13.67	0.97	44.7	3.3	0.69	.256	1.57	5.09
8	Félix Bautista F. Bautista	1.48	61.0	16.23	2023	BAL	56	8	2	.800	0	110	0	0	33	30	10	14	4	26	2	46	0	237	7	3.84	4.23	0.59	46.4	11.0	0.92	.274	2.07	4.43
9	Dellin Betances D. Betances	1.50	84.0	14.04	2015	NYY	74	6	4	.600	0	131	0	0	9	45	14	17	6	40	3	17	2	332	9	4.29	3.28	0.64	39.5	12.0	1.01	.257	1.82	4.82
10	Chad Green C. Green	1.61	67.0	13.43	2017	NYY	39	5	0	1.000	0	100	0	0	0	32	12	12	4	16	2	4	0	244	3	2.15	6.25	0.54	41.0	6.6	0.72	.230	1.61	4.30
11	Liam Hendriks L. Hendriks	1.63	83.0	13.23	2019	OAK	73	4	4	.500	0	122	0	0	25	58	15	16	5	19	2	41	5	322	7	2.06	6.42	0.54	37.9	5.9	0.93	.305	1.73	6.29
12	Edwin Díaz E. Díaz	1.63	66.1	13.30	2025	NYM	62	6	3	.667	0	98	0	0	28	37	12	14	4	21	8	48	0	258	7	2.85	4.67	0.54	38.0	8.1	0.87	.260	1.90	5.02
13	Aroldis Chapman A. Chapman	1.63	66.1	15.74	2015	CIN	65	4	4	.500	0	116	0	0	33	43	12	13	3	33	5	54	1	278	7	4.48	3.52	0.41	41.7	11.9	1.15	.331	1.76	5.83
14	Felipe Vazquez F. Vazquez	1.65	60.0	13.50	2019	PIT	56	5	1	.833	0	90	0	0	28	43	11	12	5	13	4	47	0	236	3	1.95	6.92	0.75	38.1	5.5	0.93	.306	1.80	6.45
15	Corey Knebel C. Knebel	1.78	76.0	14.92	2017	MIL	76	1	4	.200	0	126	0	0	39	48	15	15	6	40	2	48	5	309	2	4.74	3.15	0.71	40.8	12.9	1.16	.311	1.78	5.68
16	Kenley Jansen K. Jansen	1.83	68.2	13.63	2016	LAD	72	3	2	.600	0	104	0	0	47	35	14	14	4	11	2	63	2	251	1	1.44	9.45	0.52	41.4	4.4	0.67	.238	1.83	4.59
17	Brandon Workman B. Workman	1.88	71.2	13.06	2019	BOS	73	10	1	.909	0	104	0	0	16	29	15	18	1	45	2	30	4	286	4	5.65	2.31	0.13	36.4	15.7	1.03	.209	2.26	3.64
18	Devin Williams D. Williams	1.93	60.2	14.24	2022	MIL	65	6	4	.600	0	96	0	0	15	31	13	17	2	30	3	21	1	240	5	4.45	3.20	0.30	40.0	12.5	1.01	.266	2.52	4.60
19	Bryan Abreu B. Abreu	1.94	60.1	13.13	2022	HOU	55	4	0	1.000	0	88	0	0	2	45	13	16	2	26	4	18	0	248	7	3.88	3.38	0.30	35.5	10.5	1.18	.336	2.39	6.71
20	Edwin Díaz E. Díaz	1.96	73.1	15.22	2018	SEA	73	0	4	.000	0	124	0	0	57	41	16	17	5	17	6	65	0	280	3	2.09	7.29	0.61	44.3	6.1	0.79	.281	2.09	5.03
21	Andrew Miller A. Miller	2.04	61.2	14.59	2015	NYY	60	3	2	.600	0	100	0	0	36	33	14	16	5	20	5	53	1	246	2	2.92	5.00	0.73	40.7	8.1	0.86	.241	2.34	4.82
22	Bryan Abreu B. Abreu	2.28	71.0	13.31	2025	HOU	70	3	4	.429	0	105	0	0	7	51	18	18	4	31	4	19	0	296	4	3.93	3.39	0.51	35.5	10.5	1.15	.309	2.28	6.46
23	Josh Hader J. Hader	2.43	81.1	15.82	2018	MIL	55	6	1	.857	0	143	0	0	12	36	22	23	9	30	1	14	0	306	0	3.32	4.77	1.00	46.7	9.8	0.81	.220	2.55	3.98
24	Mason Miller M. Miller	2.49	65.0	14.40	2024	OAK	55	2	2	.500	0	104	0	0	28	36	18	23	6	21	1	44	3	249	2	2.91	4.95	0.83	41.8	8.4	0.88	.256	3.18	4.98
25	Andrés Muñoz A. Muñoz	2.49	65.0	13.29	2022	SEA	64	2	5	.286	0	96	0	0	4	43	18	20	5	15	4	12	3	248	4	2.08	6.40	0.69	38.7	6.0	0.89	.297	2.77	5.95