lowest era in a season, minimum 75 innings pitched, since 1950

Since 1950, Blake Treinen has the lowest ERA with 75.0+ innings pitched in a season, with an ERA of 0.78 in 2018.

Interpreted as:

lowest era by a player in a season, minimum 75 innings pitched, since 1950

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	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	Blake Treinen B. Treinen	0.78	80.1	2018	OAK	68	9	2	.818	0	100	0	0	38	46	7	12	2	21	1	58	3	315	6	11.20	2.35	4.76	0.22	31.7	6.7	0.83	.230	1.34	19	1.81	44	5.15	21
2	Chris Hammond C. Hammond	0.95	76.0	2002	ATL	63	7	2	.778	0	63	0	0	0	53	8	15	1	31	1	6	9	311	1	7.46	3.67	2.03	0.12	20.3	10.0	1.11	.242	1.78	23	2.73	65	6.28	12.3
3	Rollie Fingers R. Fingers	1.04	78.0	1981	MIL	47	6	3	.667	0	61	0	0	28	55	9	9	3	13	1	41	5	297	1	7.04	1.50	4.69	0.35	20.5	4.4	0.87	.237	1.04	30	2.07	58	6.35	13.4
4	Bob Veale B. Veale	1.04	77.2	1963	PIT	34	5	2	.714	7	68	3	2	3	59	9	15	1	40	1	10	2	321	5	7.88	4.64	1.70	0.12	21.2	12.5	1.27	.275	1.74	32	2.48	77	6.84	6.6
5	Jacob deGrom J. deGrom	1.08	92.0	2021	NYM	15	7	2	.778	15	146	1	1	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	27	1.23	29	3.91	30.6
6	Bob Gibson B. Gibson	1.12	304.2	1968	STL	34	22	9	.710	34	268	28	13	0	198	38	49	11	62	7	0	6	1,161	4	7.92	1.83	4.32	0.32	23.1	5.3	0.85	.230	1.45	38	1.77	63	5.85	34.8
7	Tim Burke T. Burke	1.19	91.0	1987	MON	55	7	0	1.000	0	58	0	0	18	64	12	18	3	17	0	30	6	354	2	5.74	1.68	3.41	0.30	16.4	4.8	0.89	.221	1.78	29	2.57	64	6.33	14.9
8	Eric Gagne E. Gagne	1.20	82.1	2003	LAD	77	2	3	.400	0	137	0	0	55	37	11	12	2	20	3	67	2	306	2	14.98	2.19	6.85	0.22	44.8	6.5	0.69	.243	1.31	30	0.85	20	4.04	31.8
9	Jim Brewer J. Brewer	1.26	78.1	1972	LAD	51	8	7	.533	0	69	0	0	17	41	11	16	6	25	2	41	11	303	1	7.93	2.87	2.76	0.69	22.8	8.3	0.84	.174	1.84	39	2.66	85	4.71	4
10	Ted Abernathy T. Abernathy	1.27	106.1	1967	CIN	70	6	3	.667	0	88	0	0	28	63	15	19	1	41	5	61	5	427	1	7.45	3.47	2.15	0.08	20.6	9.6	0.98	.212	1.61	35	2.30	66	5.33	13.4
11	Jeremy Jeffress J. Jeffress	1.29	76.2	2018	MIL	73	8	1	.889	0	89	0	0	15	49	11	12	5	27	1	24	4	299	4	10.45	3.17	3.30	0.59	29.8	9.0	0.99	.249	1.41	32	2.78	68	5.75	10.9
12	Hoyt Wilhelm H. Wilhelm	1.31	89.0	1967	CWS	49	8	3	.727	0	76	0	0	12	58	13	21	2	34	4	30	4	360	2	7.69	3.44	2.24	0.20	21.1	9.4	1.03	.230	2.12	42	2.40	74	5.87	8.5
13	Bruce Sutter B. Sutter	1.34	107.1	1977	CHC	62	7	3	.700	0	129	0	0	31	69	16	21	5	23	1	48	7	411	7	10.82	1.93	5.61	0.42	31.4	5.6	0.86	.253	1.76	31	1.60	38	5.79	29.2
14	Ken Tatum K. Tatum	1.36	86.1	1969	CAL	45	7	2	.778	0	65	0	0	22	51	13	13	1	39	4	33	5	342	5	6.78	4.07	1.67	0.10	19.0	11.4	1.04	.215	1.36	39	2.64	73	5.32	9.6
15	Ranger Suárez R. Suárez	1.36	106.0	2021	PHI	39	8	5	.615	12	107	1	1	4	73	16	20	4	33	5	13	3	418	1	9.08	2.80	3.24	0.34	25.6	7.9	1.00	.257	1.70	32	2.71	63	6.20	18.7
16	Jeff Montgomery J. Montgomery	1.37	92.0	1989	KCR	63	7	3	.700	0	94	0	0	18	66	14	16	3	25	2	39	4	363	6	9.20	2.45	3.76	0.29	25.9	6.9	0.99	.264	1.57	35	2.02	55	6.46	17.4
17	John Wetteland J. Wetteland	1.37	85.1	1993	MON	70	9	3	.750	0	113	0	0	43	58	13	17	3	28	2	58	3	344	7	11.92	2.95	4.04	0.32	32.8	8.1	1.01	.278	1.79	34	1.84	46	6.12	20.5
18	Mariano Rivera M. Rivera	1.38	78.1	2005	NYY	71	7	4	.636	0	80	0	0	43	50	12	18	2	18	4	67	0	306	0	9.19	2.07	4.44	0.23	26.1	5.9	0.87	.238	2.07	32	2.14	50	5.74	18.9
19	Dellin Betances D. Betances	1.40	90.0	2014	NYY	70	5	0	1.000	0	135	0	0	1	46	14	15	4	24	4	8	1	341	2	13.50	2.40	5.63	0.40	39.6	7.0	0.78	.241	1.50	36	1.64	42	4.60	22.2
20	Mel Rojas M. Rojas	1.43	100.2	1992	MON	68	7	1	.875	0	70	0	0	10	71	16	17	2	34	2	26	8	399	2	6.26	3.04	2.06	0.18	17.5	8.5	1.04	.237	1.52	42	2.72	79	6.35	8.2
21	Frank Linzy F. Linzy	1.43	81.2	1965	SFG	57	9	3	.750	0	35	0	0	20	76	13	19	2	23	3	40	8	334	5	3.86	2.53	1.52	0.22	10.5	6.9	1.21	.273	2.09	40	2.93	86	8.38	4.4
22	John Hiller J. Hiller	1.44	125.1	1973	DET	65	10	5	.667	0	124	0	0	38	89	20	21	7	39	0	60	7	498	1	8.90	2.80	3.18	0.50	24.9	7.8	1.02	.250	1.51	37	2.24	57	6.39	22.8
23	Tug McGraw T. McGraw	1.46	92.1	1980	PHI	57	5	4	.556	0	75	0	0	20	62	15	16	3	23	2	48	9	355	1	7.31	2.24	3.26	0.29	21.1	6.5	0.92	.234	1.56	40	2.35	64	6.04	13.4
24	Jesse Orosco J. Orosco	1.47	110.0	1983	NYM	62	13	7	.650	0	84	0	0	17	76	18	27	3	38	1	42	7	432	1	6.87	3.11	2.21	0.25	19.4	8.8	1.04	.239	2.21	41	2.63	73	6.22	12.3
25	Rafael Betancourt R. Betancourt	1.47	79.1	2007	CLE	68	5	1	.833	0	80	0	0	3	51	13	13	4	9	0	15	3	289	0	9.08	1.02	8.89	0.45	27.7	3.1	0.76	.240	1.47	33	2.21	51	5.79	19.2