lowest era by a player in a season with at least 200 ip since 1950

Since 1950, Bob Gibson has the best ERA with 200.0+ innings pitched in a season, with an ERA of 1.12 in 1968.

	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	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
2	Dwight Gooden D. Gooden	1.53	276.2	1985	NYM	35	24	4	.857	35	268	16	8	0	198	47	51	13	69	2	0	4	1,065	6	8.72	2.24	3.88	0.42	25.2	6.5	0.97	.259	1.66	44	2.12	59	6.44	45.6
3	Greg Maddux G. Maddux	1.56	202.0	1994	ATL	25	16	6	.727	25	156	10	3	0	150	35	44	4	31	6	0	3	774	3	6.95	1.38	5.03	0.18	20.2	4.0	0.90	.253	1.96	37	2.39	55	6.68	43.7
4	Luis Tiant L. Tiant	1.60	258.1	1968	CLE	34	21	9	.700	32	264	19	9	0	152	46	53	16	73	4	0	4	987	3	9.20	2.54	3.62	0.56	26.7	7.4	0.87	.216	1.85	53	2.04	64	5.30	33
5	Greg Maddux G. Maddux	1.63	209.2	1995	ATL	28	19	2	.905	28	181	10	3	0	147	38	39	8	23	4	0	3	785	1	7.77	0.99	7.87	0.34	23.1	2.9	0.81	.244	1.67	39	2.25	52	6.31	46.9
6	Dean Chance D. Chance	1.65	278.1	1964	LAA	46	20	9	.690	35	207	15	11	4	194	51	56	7	86	2	7	9	1,093	9	6.69	2.78	2.41	0.23	18.9	7.9	1.01	.236	1.81	48	2.39	67	6.27	37.9
7	Zack Greinke Z. Greinke	1.66	222.2	2015	LAD	32	19	3	.864	32	200	1	0	0	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	44	2.75	73	5.98	26.2
8	Jacob deGrom J. deGrom	1.70	217.0	2018	NYM	32	10	9	.526	32	269	1	0	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	44	1.98	50	6.30	49
9	Sandy Koufax S. Koufax	1.73	323.0	1966	LAD	41	27	9	.750	41	317	27	5	0	241	62	74	19	77	0	0	4	1,274	7	8.83	2.15	4.12	0.53	24.9	6.0	0.98	.258	2.06	53	2.07	65	6.72	41.8
10	Sandy Koufax S. Koufax	1.74	223.0	1964	LAD	29	19	5	.792	28	223	15	7	1	154	43	49	13	53	0	1	5	870	9	9.00	2.14	4.21	0.52	25.6	6.1	0.93	.243	1.98	53	2.08	67	6.22	27.1
11	Pedro Martinez P. Martinez	1.74	217.0	2000	BOS	29	18	6	.750	29	284	7	4	0	128	42	44	17	32	14	0	0	817	1	11.78	1.33	8.88	0.71	34.8	3.9	0.74	.236	1.82	35	2.16	47	5.31	61.5
12	Ron Guidry R. Guidry	1.74	273.2	1978	NYY	35	25	3	.893	35	248	16	9	0	187	53	61	13	72	1	0	1	1,057	7	8.16	2.37	3.44	0.43	23.5	6.8	0.95	.241	2.01	48	2.18	58	6.15	48.5
13	Tom Seaver T. Seaver	1.76	286.1	1971	NYM	36	20	10	.667	35	289	21	4	0	210	56	61	18	61	4	1	2	1,103	5	9.08	1.92	4.74	0.57	26.2	5.5	0.95	.263	1.92	52	1.93	58	6.60	44.5
14	Jake Arrieta J. Arrieta	1.77	229.0	2015	CHC	33	22	6	.786	33	236	4	3	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	45	2.34	60	5.90	39
15	Sam McDowell S. McDowell	1.81	269.0	1968	CLE	38	15	14	.517	37	283	11	3	0	181	54	78	13	110	10	0	9	1,098	7	9.47	3.68	2.57	0.43	25.8	10.0	1.08	.246	2.61	59	2.25	70	6.06	28.3
16	Vida Blue V. Blue	1.82	312.0	1971	OAK	39	24	8	.750	39	301	24	8	0	209	63	73	19	88	4	0	3	1,207	10	8.68	2.54	3.42	0.55	24.9	7.3	0.95	.239	2.11	56	2.19	66	6.03	41.4
17	Clayton Kershaw C. Kershaw	1.83	236.0	2013	LAD	33	16	9	.640	33	232	3	2	0	164	48	55	11	52	3	0	2	908	12	8.85	1.98	4.46	0.42	25.6	5.7	0.92	.251	2.10	51	2.38	64	6.25	35.4
18	Phil Niekro P. Niekro	1.87	207.0	1967	ATL	46	11	9	.550	20	129	10	1	9	164	43	64	9	55	7	20	3	827	19	5.61	2.39	2.35	0.39	15.6	6.7	1.06	.247	2.78	55	2.76	84	7.13	12.2
19	Roger Clemens R. Clemens	1.87	211.1	2005	HOU	32	13	8	.619	32	185	1	0	0	151	44	51	11	62	3	0	5	838	3	7.88	2.64	2.98	0.47	22.1	7.4	1.01	.243	2.17	44	2.86	67	6.43	33.4
20	Joe Horlen J. Horlen	1.88	210.2	1964	CWS	32	13	9	.591	28	138	9	2	0	142	44	54	11	55	4	2	4	815	4	5.90	2.35	2.51	0.47	16.9	6.7	0.94	.216	2.31	55	2.81	79	6.07	18.3
21	Sandy Koufax S. Koufax	1.88	311.0	1963	LAD	40	25	5	.833	40	306	20	11	0	214	65	68	18	58	3	0	7	1,210	6	8.86	1.68	5.28	0.52	25.3	4.8	0.87	.238	1.97	62	1.85	62	6.19	41.9
22	Kevin Brown K. Brown	1.89	233.0	1996	FLA	32	17	11	.607	32	159	5	3	0	187	49	60	8	33	16	0	2	906	6	6.14	1.27	4.82	0.31	17.5	3.6	0.94	.259	2.32	46	2.88	68	7.22	35.8
23	Pedro Martinez P. Martinez	1.90	241.1	1997	MON	31	17	8	.680	31	305	13	4	0	158	51	65	16	67	9	0	5	947	3	11.37	2.50	4.55	0.60	32.2	7.1	0.93	.258	2.42	45	2.38	57	5.89	49
24	Wilbur Wood W. Wood	1.91	334.0	1971	CWS	44	22	13	.629	42	210	22	7	1	272	71	95	21	62	7	2	2	1,316	6	5.66	1.67	3.39	0.57	16.0	4.7	1.00	.247	2.56	53	2.63	71	7.33	38.9
25	Gaylord Perry G. Perry	1.92	342.2	1972	CLE	41	24	16	.600	40	234	29	5	1	253	73	79	17	82	12	1	16	1,345	11	6.15	2.15	2.85	0.45	17.4	6.1	0.98	.236	2.07	60	2.49	74	6.64	31.9