lowest era in a season, minimum 75 innings pitched

Blake Treinen has the best 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

	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	Tim Keefe T. Keefe	0.86	105.0	1880	TRO	12	6	6	.500	12	39	12	0	0	68	10	27	0	16		0		397	1	3.34	1.37	2.44	0.00	9.8	4.0	0.80		2.31	35	2.25	91	5.83	3.6
3	Ferdie Schupp F. Schupp	0.90	140.1	1916	NYG	30	9	3	.750	11	86	8	4	1	79	14	22	1	37	5	17		525	2	5.52	2.37	2.32	0.06	16.4	7.0	0.83	.197	1.41	36	2.08	84	5.07	6.1
4	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
5	Dutch Leonard D. Leonard	0.96	224.2	1914	BSA	36	19	5	.792	25	176	17	7	3	139	24	34	3	60	8	8		842	2	7.05	2.40	2.93	0.12	20.9	7.1	0.89	.229	1.36	36	1.95	70	5.57	20.4
6	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
7	Mordecai Brown M. Brown	1.04	277.1	1906	CHC	36	26	6	.813	32	144	27	9	3	198	32	56	1	61	4	4		1,044	2	4.67	1.98	2.36	0.03	13.8	5.8	0.93	.236	1.82	39	2.08	75	6.43	21.1
8	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
9	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
10	Babe Adams B. Adams	1.11	130.0	1909	PIT	25	12	3	.800	12	65	7	3	2	88	16	25	0	23	3	11		475	1	4.50	1.59	2.83	0.00	13.7	4.8	0.85	.229	1.73	43	1.82	69	6.09	11.7
11	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
12	Christy Mathewson C. Mathewson	1.14	275.1	1909	NYG	37	25	6	.806	33	149	26	8	2	192	35	57	2	36	0	4		998	4	4.87	1.18	4.14	0.07	14.9	3.6	0.83	.234	1.86	44	1.62	61	6.28	31.7
13	Walter Johnson W. Johnson	1.14	346.0	1913	WSH	48	36	7	.837	36	243	29	11	2	232	44	56	9	38	9	10		1,271	2	6.32	0.99	6.39	0.23	19.1	3.0	0.78	.229	1.46	39	1.90	63	6.03	42.3
14	Jack Pfiester J. Pfiester	1.15	195.0	1907	CHC	30	14	9	.609	22	90	13	3	0	143	25	61	1	48	5	5		745	2	4.15	2.22	1.88	0.05	12.1	6.4	0.98	.236	2.82	47	2.14	81	6.60	10.6
15	Addie Joss A. Joss	1.16	325.0	1908	CLE	42	24	11	.686	35	130	29	9	2	232	42	77	2	30	2	6		1,209	6	3.60	0.83	4.33	0.06	10.8	2.5	0.81	.220	2.13	49	1.68	76	6.42	19.3
16	Carl Lundgren C. Lundgren	1.17	207.0	1907	CHC	28	18	7	.720	25	84	21	7	0	130	27	42	0	92	2	3		795	2	3.65	4.00	0.91	0.00	10.6	11.6	1.07	.211	1.83	48	2.73	104	5.65	-2.3
17	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
18	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
19	Denny Driscoll D. Driscoll	1.21	201.0	1882	PIT	23	13	9	.591	23	59	23	0	0	162	27	73	0	12		0		799	7	2.64	0.54	4.92	0.00	7.4	1.5	0.87		3.27	45	2.36	84	7.25	10.2
20	Grover Alexander G. Alexander	1.22	376.1	1915	PHN	49	31	10	.756	42	241	36	12	3	253	51	86	3	64	10	7		1,435	2	5.76	1.53	3.77	0.07	16.8	4.5	0.84	.224	2.06	43	1.82	63	6.05	44.1
21	George Bradley G. Bradley	1.23	573.0	1876	STL	64	45	19	.703	64	103	63	16	0	470	78	229	3	38		0		2,269	34	1.62	0.60	2.71	0.05	4.5	1.7	0.89		3.60	58	2.14	101	7.38	-20.7
22	Red Faber R. Faber	1.23	80.2	1918	CWS	11	4	1	.800	9	26	5	1	1	70	11	23	3	23	0	1		319	2	2.90	2.57	1.13	0.33	8.2	7.2	1.15	.251	2.57	45	2.93	104	7.81	-1.1
23	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
24	Cy Young C. Young	1.26	299.0	1908	BOS	36	21	11	.656	33	150	30	3	2	230	42	68	1	37	1	3		1,116	4	4.52	1.11	4.05	0.03	13.4	3.3	0.89	.247	2.05	52	1.52	67	6.92	25.4
25	Ed Walsh E. Walsh	1.27	369.2	1910	CWS	45	18	20	.474	36	258	33	7	5	242	52	87	5	61	4	7		1,359	6	6.28	1.49	4.23	0.12	19.0	4.5	0.82	.230	2.12	52	1.63	66	5.89	34.8