worst era by a player with a win% of.500 in a season with 150 ip

Tom Colcolough has the highest ERA with 150.0+ innings pitched with a win percentage of .500 or better in a season, with an ERA of 7.23 in his rookie season in 1894.

Interpreted as:

worst era by a player with a win% of.500 or higher in a season with 150 or more ip

	NAME	ERA	W%	IP	SEASON	TM	W	L	G	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	Tom Colcolough T. Colcolough	7.23	.615	150.2	1894	PIT	8	5	23	14	29	11	0	0	213	121	147	5	72	5	8		724	7	1.73	4.30	0.40	0.30	4.0	9.9	1.89	.339	8.78	140	5.39	104	12.72	-5.1
2	Harry Staley H. Staley	6.81	.545	208.2	1894	BSN	12	10	27	21	32	18	0	1	305	158	204	15	61	5	6		972	4	1.38	2.63	0.52	0.65	3.3	6.3	1.75	.338	8.80	122	5.39	96	13.15	7.1
3	John Lackey J. Lackey	6.41	.500	160.0	2011	BOS	12	12	28	28	108	0	0	0	203	114	119	20	56	19	0	1	743	11	6.08	3.15	1.93	1.13	14.5	7.5	1.62	.339	6.69	151	4.70	119	11.42	-13.6
4	Adam Eaton A. Eaton	6.29	.500	161.2	2007	PHI	10	10	30	30	97	0	0	0	192	113	117	30	71	11	0	4	734	6	5.40	3.95	1.37	1.67	13.2	9.7	1.63	.309	6.51	138	5.96	130	10.69	-24.3
5	Wes Ferrell W. Ferrell	6.28	.600	179.0	1938	TOT	15	10	28	26	43	10	0	0	245	125	144	18	86	1	2		848	5	2.16	4.32	0.50	0.91	5.1	10.1	1.85	.324	7.24	138	5.21	119	12.32	-18.1
6	Dave Burba D. Burba	6.21	.500	150.2	2001	CLE	10	10	32	27	118	1	0	0	188	104	112	16	54	3	4	2	684	6	7.05	3.23	2.19	0.96	17.3	7.9	1.61	.349	6.69	139	3.99	89	11.23	8
7	Brian Bohanon B. Bohanon	6.20	.500	197.1	1999	COL	12	12	33	33	120	3	1	0	236	136	146	30	92	14	0	1	903	6	5.47	4.20	1.30	1.37	13.3	10.2	1.66	.318	6.66	111	5.49	108	10.76	-7.4
8	Guy Bush G. Bush	6.20	.600	225.0	1930	CHC	15	10	46	25	75	11	0	3	291	155	174	22	86	2	8		1,031	12	3.00	3.44	0.87	0.88	7.3	8.3	1.68	.318	6.96	126	5.28	108	11.64	-10.5
9	Dave Mlicki D. Mlicki	6.17	.500	167.2	2001	TOT	11	11	34	29	97	0	0	0	203	115	122	37	74	15	1	3	772	8	5.21	3.97	1.31	1.99	12.6	9.6	1.65	.302	6.55	140	6.35	145	10.90	-37.4
10	Livan Hernandez L. Hernandez	6.05	.542	180.0	2008	TOT	13	11	31	31	67	2	0	0	257	121	129	25	43	2	0	4	811	3	3.35	2.15	1.56	1.25	8.3	5.3	1.67	.344	6.45	139	4.93	116	12.85	-13.7
11	Ad Gumbert A. Gumbert	6.04	.517	271.0	1894	PIT	15	14	38	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
12	Darren Oliver D. Oliver	6.02	.500	154.0	2001	TEX	11	11	28	28	104	1	0	0	189	103	109	23	65	6	0	0	696	8	6.08	3.80	1.60	1.34	14.9	9.3	1.65	.333	6.37	128	5.02	110	11.05	-7.4
13	Mike Paxton M. Paxton	5.92	.500	159.2	1979	CLE	8	8	33	24	70	3	0	0	210	105	118	14	52	2	1	1	733	3	3.95	2.93	1.35	0.79	9.5	7.1	1.64	.329	6.65	142	4.00	96	11.84	3.3
14	Mark Hendrickson M. Hendrickson	5.90	.579	178.1	2005	TBD	11	8	31	31	89	1	0	0	227	117	126	24	49	2	0	1	796	4	4.49	2.47	1.82	1.21	11.2	6.2	1.55	.321	6.36	138	4.62	107	11.46	-5.9
15	Bert Inks B. Inks	5.84	.524	192.2	1894	TOT	11	10	30	22	38	18	0	1	268	125	178	6	88	12	7		923	4	1.78	4.11	0.43	0.28	4.1	9.5	1.85	.336	8.31	110	5.38	101	12.52	-1.2
16	Shawn Estes S. Estes	5.84	.652	202.0	2004	COL	15	8	34	34	117	1	0	0	223	131	133	30	105	11	0	5	904	4	5.21	4.68	1.11	1.34	12.9	11.6	1.62	.301	5.93	121	5.54	119	9.94	-17.9
17	Bill Hawke B. Hawke	5.81	.640	206.0	1894	BAL	16	9	32	25	68	17	0	3	264	133	174	9	78	12	7		947	2	2.97	3.41	0.87	0.39	7.2	8.2	1.66	.327	7.60	107	5.03	93	11.53	10
18	Duke Esper D. Esper	5.81	.556	217.0	1894	TOT	15	12	34	23	49	15	0	2	284	140	188	9	75	3	10		987	1	2.03	3.11	0.65	0.37	5.0	7.6	1.65	.323	7.80	108	4.98	93	11.78	9.9
19	J.A. Happ	5.79	.556	152.1	2021	TOT	10	8	30	30	122	0	0	0	177	98	100	30	48	3	0	0	671	4	7.21	2.84	2.54	1.77	18.2	7.2	1.48	.314	5.91	137	5.13	122	10.46	-15.8
20	Ice Box Chamberlain I. Box Chamberlain	5.77	.526	177.2	1894	CIN	10	9	23	22	57	18	1	0	220	114	155	10	91	12	1		835	11	2.89	4.61	0.63	0.51	6.8	10.9	1.75	.316	7.85	105	5.64	103	11.14	-1.7
21	Phil Collins P. Collins	5.75	.563	153.1	1929	PHN	9	7	43	11	61	3	0	5	172	98	106	18	83	4	20		706	0	3.58	4.87	0.73	1.06	8.6	11.8	1.66	.285	6.22	113	5.59	114	10.10	-9.5
22	Rick Sutcliffe R. Sutcliffe	5.75	.500	166.0	1993	BAL	10	10	29	28	80	3	0	0	212	106	112	23	74	6	0	5	763	1	4.34	4.01	1.08	1.25	10.5	9.7	1.72	.326	6.07	132	5.26	121	11.49	-16.5
23	Doug Drabek D. Drabek	5.74	.522	169.1	1997	CWS	12	11	31	31	85	0	0	0	170	108	109	30	69	4	0	5	731	12	4.52	3.67	1.23	1.59	11.6	9.4	1.41	.258	5.79	130	5.69	128	9.04	-24.3
24	Chan Ho Park C. Ho Park	5.74	.600	155.1	2005	TOT	12	8	30	29	113	0	0	0	180	99	103	11	80	10	0	1	715	6	6.55	4.64	1.41	0.64	15.8	11.2	1.67	.337	5.97	132	4.21	98	10.43	1.5
25	Lance Lynn L. Lynn	5.73	.542	183.2	2023	TOT	13	11	32	32	191	0	0	0	189	117	127	44	67	9	0	1	808	3	9.36	3.28	2.85	2.16	23.6	8.3	1.39	.292	6.22	133	5.53	125	9.26	-21.7