which pitcher has the most strikeouts in a single season with an era over 4

Phil Niekro has fanned the most hitters with an ERA worse than 4.00 in a season, with 262 strikeouts in 1977.

	NAME	SO	ERA	SEASON	TM	G	W	L	W%	GS	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	ERA-	FIP	FIP-	H/9	PRAA
1	Phil Niekro P. Niekro	262	4.03	1977	ATL	44	16	20	.444	43	20	2	0	330.1	315	148	166	26	164	8	1	12	1,428	17	7.14	4.47	1.60	0.71	18.3	11.5	1.45	.299	4.52	95	3.73	88	8.58	18.1
2	Trevor Bauer T. Bauer	253	4.48	2019	TOT	34	11	13	.458	34	1	1	0	213.0	184	106	118	34	82	19	0	0	911	10	10.69	3.46	3.09	1.44	27.8	9.0	1.25	.287	4.99	97	4.32	95	7.77	5.3
3	Chris Archer C. Archer	249	4.07	2017	TBR	34	10	12	.455	34	0	0	0	201.0	193	91	101	27	60	5	0	0	852	15	11.15	2.69	4.15	1.21	29.2	7.0	1.26	.325	4.52	97	3.39	80	8.64	19.7
4	Mark Langston M. Langston	245	4.85	1986	SEA	37	12	14	.462	36	9	0	0	239.1	234	129	142	30	123	4	1	1	1,057	10	9.21	4.63	1.99	1.13	23.2	11.6	1.49	.311	5.34	113	3.93	90	8.80	11.4
5	Bob Feller B. Feller	240	4.08	1938	CLE	39	17	11	.607	36	20	2	1	277.2	225	126	136	13	208	7	3		1,248	5	7.78	6.74	1.15	0.42	19.2	16.7	1.56	.272	4.41	86	4.13	91	7.29	13
6	Matthew Boyd M. Boyd	238	4.56	2019	DET	32	9	12	.429	32	0	0	0	185.1	178	94	101	39	50	8	0	1	788	6	11.56	2.43	4.76	1.89	30.2	6.3	1.23	.307	4.90	99	4.31	94	8.64	5.3
7	Robbie Ray R. Ray	235	4.34	2019	ARI	33	12	8	.600	33	0	0	0	174.1	150	84	91	30	84	5	0	5	747	7	12.13	4.34	2.80	1.55	31.5	11.2	1.34	.305	4.70	98	4.28	99	7.74	1
8	Chris Archer C. Archer	233	4.02	2016	TBR	33	9	19	.321	33	0	0	0	201.1	183	90	100	30	67	3	0	0	850	11	10.42	3.00	3.48	1.34	27.4	7.9	1.24	.296	4.47	99	3.80	92	8.18	6.9
9	Hideo Nomo H. Nomo	233	4.25	1997	LAD	33	14	12	.538	33	1	0	0	207.1	193	98	104	23	92	9	0	2	904	10	10.11	3.99	2.53	1.00	25.8	10.2	1.37	.311	4.51	109	3.76	91	8.38	9
10	A.J. Burnett	231	4.07	2008	TOR	35	18	10	.643	34	1	0	0	221.1	211	100	109	19	86	9	1	2	957	11	9.39	3.50	2.69	0.77	24.1	9.0	1.34	.314	4.43	94	3.44	79	8.58	22.5
11	Bobo Newsom B. Newsom	226	5.08	1938	SLA	44	20	16	.556	40	31	0	1	329.2	334	186	205	30	192	5	3		1,475	3	6.17	5.24	1.18	0.82	15.3	13.0	1.60	.297	5.60	101	4.53	94	9.12	11.6
12	Jersey Bakley J. Bakley	226	4.29	1884	TOT	46	16	30	.348	45	43	1	0	394.2	443	188	338	0	81		1		1,752	56	5.15	1.85	2.79	0.00	12.9	4.6	1.33		7.71	144	2.74	106	10.10	-9.3
13	Aaron Nola A. Nola	223	4.63	2021	PHI	32	9	9	.500	32	1	1	0	180.2	165	93	95	26	39	9	0	1	749	0	11.11	1.94	5.72	1.30	29.8	5.2	1.13	.308	4.73	110	3.36	78	8.22	19.1
14	Hideo Nomo H. Nomo	220	4.50	2001	BOS	33	13	10	.565	33	2	2	0	198.0	171	99	105	26	96	3	0	2	849	6	10.00	4.36	2.29	1.18	25.9	11.3	1.35	.288	4.77	99	4.03	94	7.77	5.7
15	Darryl Kile D. Kile	219	4.19	1996	HOU	35	12	11	.522	33	4	0	0	219.0	233	102	113	16	97	16	1	8	975	13	9.00	3.99	2.26	0.66	22.5	9.9	1.51	.346	4.64	105	3.66	90	9.58	10.1
16	Chris Sale C. Sale	218	4.40	2019	BOS	25	6	11	.353	25	1	1	0	147.1	123	72	80	24	37	13	0	0	612	2	13.32	2.26	5.89	1.47	35.6	6.0	1.09	.309	4.89	91	3.38	75	7.51	18.8
17	Robbie Ray R. Ray	218	4.90	2016	ARI	32	8	15	.348	32	0	0	0	174.1	185	95	105	24	71	6	0	4	776	8	11.25	3.67	3.07	1.24	28.1	9.1	1.47	.352	5.42	112	3.75	90	9.55	8
18	Jake Peavy J. Peavy	215	4.09	2006	SDP	32	11	14	.440	32	2	0	0	202.1	187	92	93	23	62	6	0	11	846	4	9.56	2.76	3.47	1.02	25.4	7.3	1.23	.304	4.14	99	3.50	81	8.32	19.4
19	Chuck Finley C. Finley	215	4.16	1996	CAL	35	15	16	.484	35	4	1	0	238.0	241	110	124	27	94	11	0	5	1,037	17	8.13	3.55	2.29	1.02	20.7	9.1	1.41	.310	4.69	83	4.15	84	9.11	21.3
20	Bert Blyleven B. Blyleven	215	4.01	1986	MIN	36	17	14	.548	36	16	3	0	271.2	262	121	134	50	58	10	0	4	1,126	4	7.12	1.92	3.71	1.66	19.1	5.2	1.18	.267	4.44	93	4.32	104	8.68	-5
21	Dylan Cease D. Cease	214	4.58	2023	CWS	33	7	9	.438	33	0	0	0	177.0	172	90	98	19	79	9	0	3	784	13	10.88	4.02	2.71	0.97	27.3	10.1	1.42	.330	4.98	106	3.72	84	8.75	13.4
22	Jeff Samardzija J. Samardzija	214	4.34	2013	CHC	33	8	13	.381	33	2	1	0	213.2	210	103	109	25	78	8	0	3	914	11	9.01	3.29	2.74	1.05	23.4	8.5	1.35	.314	4.59	116	3.77	99	8.85	0.8
23	Mitch Keller M. Keller	210	4.21	2023	PIT	32	13	9	.591	32	1	1	0	194.1	187	91	97	25	55	12	0	0	825	5	9.73	2.55	3.82	1.16	25.5	6.7	1.25	.310	4.49	94	3.80	87	8.66	12.5
24	Pedro Astacio P. Astacio	210	5.04	1999	COL	34	17	11	.607	34	7	0	0	232.0	258	130	140	38	75	11	0	6	1,008	5	8.15	2.91	2.80	1.47	20.8	7.4	1.44	.326	5.43	91	4.55	90	10.01	13.3
25	Jose Quintana J. Quintana	207	4.15	2017	TOT	32	11	11	.500	32	1	1	0	188.2	170	87	92	23	61	10	0	4	790	8	9.87	2.91	3.39	1.10	26.2	7.7	1.22	.301	4.39	96	3.67	84	8.11	14.9