lowest single season era by a starter since 2015 minimum 15 games started

Since 2015, Jacob deGrom has the best ERA by a starting pitcher with 15+ starts in a season, with an ERA of 1.08 in 2021.

	NAME	ERA	GS	SEASON	TM	G	W	L	W%	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	H/9
1	Jacob deGrom J. deGrom	1.08	15	2021	NYM	15	7	2	.778	146	1	1	0	92.0	40	11	14	6	11	1	0	0	324	0	14.28	1.08	13.27	0.59	45.1	3.4	0.55	.213	1.37	3.91
2	Zack Greinke Z. Greinke	1.66	32	2015	LAD	32	19	3	.864	200	1	0	0	222.2	148	41	43	14	40	5	0	1	843	7	8.08	1.62	5.00	0.57	23.7	4.7	0.84	.229	1.74	5.98
3	Clayton Kershaw C. Kershaw	1.69	21	2016	LAD	21	12	4	.750	172	3	3	0	149.0	97	28	31	8	11	2	0	1	544	5	10.39	0.66	15.64	0.48	31.6	2.0	0.72	.254	1.87	5.86
4	Jacob deGrom J. deGrom	1.70	32	2018	NYM	32	10	9	.526	269	1	0	0	217.0	152	41	48	10	46	5	0	3	835	2	11.16	1.91	5.85	0.41	32.2	5.5	0.91	.281	1.99	6.30
5	Justin Verlander J. Verlander	1.75	28	2022	HOU	28	18	4	.818	185	0	0	0	175.0	116	34	43	12	29	6	0	0	666	3	9.51	1.49	6.38	0.62	27.8	4.4	0.83	.240	2.21	5.97
6	Jake Arrieta J. Arrieta	1.77	33	2015	CHC	33	22	6	.786	236	4	3	0	229.0	150	45	52	10	48	6	0	2	870	6	9.28	1.89	4.92	0.39	27.1	5.5	0.86	.246	2.04	5.90
7	Blake Snell B. Snell	1.89	31	2018	TBR	31	21	5	.808	221	0	0	0	180.2	112	38	41	16	64	1	0	2	700	13	11.01	3.19	3.45	0.80	31.6	9.1	0.97	.241	2.04	5.58
8	Paul Skenes P. Skenes	1.96	23	2024	PIT	23	11	3	.786	170	0	0	0	133.0	94	29	31	10	32	6	0	0	514	2	11.50	2.17	5.31	0.68	33.1	6.2	0.95	.284	2.10	6.36
9	Hyun Jin Ryu H. Jin Ryu	1.97	15	2018	LAD	15	7	3	.700	89	0	0	0	82.1	68	18	23	9	15	1	0	1	324	0	9.73	1.64	5.93	0.98	27.5	4.6	1.01	.281	2.51	7.43
10	Reynaldo López R. López	2.00	25	2024	ATL	25	8	5	.615	146	0	0	0	134.2	108	30	32	10	42	2	0	0	540	2	9.76	2.81	3.48	0.67	27.0	7.8	1.11	.288	2.14	7.22
11	Clay Buchholz C. Buchholz	2.01	16	2018	ARI	16	7	2	.778	81	1	0	0	98.1	80	22	25	9	22	3	0	1	393	1	7.41	2.01	3.68	0.82	20.6	5.6	1.04	.255	2.29	7.32
12	Ryne Stanek R. Stanek	2.09	27	2019	TBR	27	0	1	.000	49	0	0	0	43.0	29	10	12	3	14	0	0	0	169	1	10.26	2.93	3.50	0.63	29.0	8.3	1.00	.252	2.51	6.07
13	Chris Sale C. Sale	2.11	27	2018	BOS	27	12	4	.750	237	0	0	0	158.0	102	37	39	11	34	14	0	0	617	4	13.50	1.94	6.97	0.63	38.4	5.5	0.86	.283	2.22	5.81
14	Rich Hill R. Hill	2.12	20	2016	TOT	20	12	5	.706	129	0	0	0	110.1	77	26	29	4	33	8	0	0	439	0	10.52	2.69	3.91	0.33	29.4	7.5	1.00	.275	2.37	6.28
15	Clayton Kershaw C. Kershaw	2.13	33	2015	LAD	33	16	7	.696	301	4	3	0	232.2	163	55	62	15	42	5	0	1	890	9	11.64	1.62	7.17	0.58	33.8	4.7	0.88	.281	2.40	6.31
16	Tony Gonsolin T. Gonsolin	2.14	24	2022	LAD	24	16	1	.941	119	0	0	0	130.1	79	31	32	11	35	4	0	1	498	5	8.22	2.42	3.40	0.76	23.9	7.0	0.87	.207	2.21	5.46
17	Kyle Hendricks K. Hendricks	2.15	30	2016	CHC	30	16	8	.667	169	2	1	0	188.0	142	45	53	15	43	8	0	3	738	5	8.09	2.06	3.93	0.72	22.9	5.8	0.98	.252	2.54	6.80
18	Julio Urías J. Urías	2.16	31	2022	LAD	31	17	7	.708	166	0	0	0	175.0	127	42	51	23	41	5	0	0	689	0	8.54	2.11	4.05	1.18	24.1	6.0	0.96	.229	2.62	6.53
19	Dylan Cease D. Cease	2.20	32	2022	CWS	32	14	8	.636	227	1	1	0	184.0	126	45	55	16	78	3	0	2	747	7	11.10	3.82	2.91	0.78	30.4	10.4	1.11	.260	2.69	6.16
20	Alek Manoah A. Manoah	2.24	31	2022	TOR	31	16	7	.696	180	0	0	0	196.2	144	49	55	16	51	15	0	0	786	5	8.24	2.33	3.53	0.73	22.9	6.5	0.99	.244	2.52	6.59
21	Blake Snell B. Snell	2.25	32	2023	SDP	32	14	9	.609	234	0	0	0	180.0	115	45	47	15	99	3	0	0	742	13	11.70	4.95	2.36	0.75	31.5	13.3	1.19	.256	2.35	5.75
22	Corey Kluber C. Kluber	2.25	29	2017	CLE	29	18	4	.818	265	5	3	0	203.2	141	51	56	21	36	5	0	2	777	4	11.71	1.59	7.36	0.93	34.1	4.6	0.87	.267	2.47	6.23
23	Trevor Bauer T. Bauer	2.26	27	2018	CLE	27	12	6	.667	219	0	0	0	171.1	132	43	51	9	57	9	0	2	703	12	11.50	2.99	3.84	0.47	31.2	8.1	1.10	.301	2.68	6.93
24	Clayton Kershaw C. Kershaw	2.28	22	2022	LAD	22	12	3	.800	137	0	0	0	126.1	96	32	36	10	23	2	0	0	493	0	9.76	1.64	5.96	0.71	27.8	4.7	0.94	.268	2.56	6.84
25	Sandy Alcantara S. Alcantara	2.28	32	2022	MIA	32	14	9	.609	207	6	1	0	228.2	174	58	67	16	50	9	0	1	886	3	8.15	1.97	4.14	0.63	23.4	5.6	0.98	.262	2.64	6.85