pitcher with the highest era with a minimum of 250 innings pitched in a season

Bill Hart has the worst ERA with 250.0+ innings pitched in a season, with an ERA of 6.26 in 1897.

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Bill Hart B. Hart	6.26	294.2	1897	STL	39	9	27	.250	38	67	31	0	0	395	205	292	10	148	16	1	1,405	15	2.05	4.52	0.45	0.31	4.8	10.5	1.84	.331	8.92	143	4.98	113	12.06	-17.7
2	Red Donahue R. Donahue	6.13	348.0	1897	STL	46	10	35	.222	42	64	38	1	1	485	237	306	16	106	22	4	1,612	9	1.66	2.74	0.60	0.41	4.0	6.6	1.70	.334	7.91	140	4.65	106	12.54	-8.7
3	Ad Gumbert A. Gumbert	6.04	271.0	1894	PIT	38	15	14	.517	32	67	26	0	0	376	182	245	14	85	6	5	1,247	2	2.23	2.82	0.79	0.46	5.4	6.8	1.70	.337	8.14	117	5.00	97	12.49	3
4	William Hutchinson W. Hutchinson	6.03	279.0	1894	CHI	37	14	16	.467	34	60	28	0	0	374	187	257	9	140	17	3	1,334	6	1.94	4.52	0.43	0.29	4.5	10.5	1.84	.329	8.29	109	5.49	99	12.06	4.2
5	Red Donahue R. Donahue	5.80	267.0	1896	STL	32	7	24	.226	32	70	28	0	0	376	172	235	6	98	13	0	1,253	5	2.36	3.30	0.71	0.20	5.6	7.8	1.78	.347	7.92	132	4.31	98	12.67	3.3
6	George Haddock G. Haddock	5.76	290.2	1890	BUF	35	9	26	.257	34	123	31	0	0	366	186	307	15	149	14	1	1,405	24	3.81	4.61	0.83	0.46	8.8	10.6	1.77	.318	9.51	139	4.42	107	11.33	-11.6
7	Gus Weyhing G. Weyhing	5.71	279.0	1894	PHI	40	16	14	.533	36	83	26	2	1	379	177	224	12	120	15	4	1,317	5	2.68	3.87	0.69	0.39	6.3	9.1	1.79	.338	7.23	107	5.23	98	12.23	3
8	Ellsworth Cunningham E. Cunningham	5.63	319.2	1890	TOT	39	12	24	.333	36	111	35	2	0	384	200	293	8	201	13	3	1,562	30	3.13	5.66	0.55	0.23	7.1	12.9	1.83	.306	8.25	135	4.55	110	10.81	-15.1
9	Tom Parrott T. Parrott	5.60	308.2	1894	CIN	41	17	19	.472	36	61	31	1	1	402	192	268	19	126	11	5	1,428	8	1.78	3.67	0.48	0.55	4.3	8.8	1.71	.316	7.81	102	5.55	101	11.72	0.2
10	Kid Carsey K. Carsey	5.52	288.1	1894	PHI	37	18	12	.600	32	43	26	0	0	366	177	241	22	106	17	4	1,319	15	1.34	3.31	0.41	0.69	3.3	8.0	1.64	.304	7.52	104	5.79	109	11.42	-14.8
11	Phil Knell P. Knell	5.49	254.0	1894	TOT	33	7	21	.250	28	67	25	0	0	341	155	246	8	110	15	5	1,197	14	2.37	3.90	0.61	0.28	5.6	9.2	1.78	.334	8.72	107	5.17	101	12.08	-4.4
12	Tom Parrott T. Parrott	5.47	263.1	1895	CIN	41	11	18	.379	31	57	23	0	3	382	160	228	8	76	5	10	1,226	4	1.95	2.60	0.75	0.27	4.6	6.2	1.74	.346	7.79	111	4.47	91	13.06	14.6
13	Scott Stratton S. Stratton	5.43	314.2	1893	LOU	37	12	23	.343	35	43	34	1	0	445	190	253	8	100	8	2	1,484	7	1.23	2.86	0.43	0.23	2.9	6.7	1.73	.330	7.24	121	4.33	97	12.73	2.3
14	Jim Hughey J. Hughey	5.41	283.0	1899	CLE	36	4	30	.118	34	54	32	0	0	403	170	244	9	88	22	2	1,318	10	1.72	2.80	0.61	0.29	4.1	6.7	1.73	.344	7.76	141	4.14	107	12.82	-9
15	Al Maul A. Maul	5.30	297.0	1893	WSH	37	12	21	.364	33	72	29	1	0	355	175	254	17	144	18	4	1,396	11	2.18	4.36	0.50	0.52	5.2	10.3	1.68	.295	7.70	113	5.14	109	10.76	-13.5
16	Wild Bill Widner W. Bill Widner	5.20	294.0	1889	COL	41	12	20	.375	34	63	25	2	1	368	170	241	11	85	18	7	1,342	12	1.93	2.60	0.74	0.34	4.7	6.3	1.54	.306	7.38	144	4.11	114	11.27	-22.5
17	Egyptian Healy E. Healy	5.17	341.0	1887	IND	41	12	29	.293	41	75	40	3	0	415	196	292	24	108	15	0	1,535	39	1.98	2.85	0.69	0.63	4.9	7.0	1.53	.298	7.71	128	4.83	114	10.95	-22.9
18	Red Ehret R. Ehret	5.14	346.2	1894	PIT	46	19	21	.475	38	102	31	1	0	441	198	269	12	128	10	8	1,577	5	2.65	3.32	0.80	0.31	6.5	8.1	1.64	.324	6.98	99	4.87	94	11.45	9
19	Harry Staley H. Staley	5.13	263.0	1893	BSN	36	18	10	.643	31	61	23	0	0	344	150	224	22	81	6	4	1,209	10	2.09	2.77	0.75	0.75	5.0	6.7	1.62	.310	7.67	106	4.86	100	11.77	1.9
20	Snake Wiltse S. Wiltse	5.13	302.0	1902	TOT	38	15	19	.441	35	65	31	0	1	397	172	226	11	92	13	3	1,358	10	1.94	2.74	0.71	0.33	4.8	6.8	1.62	.328	6.74	138	3.75	105	11.83	-4.2
21	Bill Hart B. Hart	5.12	336.0	1896	STL	42	12	29	.293	41	65	37	0	0	411	191	271	11	141	15	1	1,531	13	1.74	3.78	0.46	0.29	4.2	9.2	1.64	.308	7.26	116	4.72	107	11.01	-11.2
22	George Hemming G. Hemming	5.10	332.0	1893	LOU	41	18	17	.514	32	79	32	1	1	369	188	245	7	175	15	9	1,541	9	2.14	4.74	0.45	0.19	5.1	11.4	1.64	.286	6.64	114	4.76	106	10.00	-14.1
23	Sam Gray S. Gray	5.09	258.0	1931	SLA	43	11	24	.314	37	88	13	0	2	323	146	187	20	54	4	5	1,158	4	3.07	1.88	1.63	0.70	7.6	4.7	1.46	.305	6.52	111	4.11	92	11.27	10.3
24	Bobo Newsom B. Newsom	5.08	329.2	1938	SLA	44	20	16	.556	40	226	31	0	1	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
25	Frank Dwyer F. Dwyer	5.07	348.0	1894	CIN	45	19	21	.475	39	49	34	1	1	471	196	282	26	106	15	6	1,594	9	1.27	2.74	0.46	0.67	3.1	6.6	1.66	.318	7.29	92	5.55	101	12.18	0.4