worst era for starting pitcher mlb minimum 20 starts

Ryan Feierabend has the highest career ERA by a starting pitcher when starting 20+ games, with an ERA of 8.58.

	NAME	ERA	GS	G	W	L	W%	SO	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	H/9
1	Ryan Feierabend R. Feierabend	8.58	20	20	2	12	.143	54	1	0	0	92.1	141	88	88	20	40	5	0	2	444	5	5.26	3.90	1.35	1.95	12.2	9.0	1.96	.372	8.58	13.74
2	Matt Perisho M. Perisho	8.35	28	28	1	13	.071	94	0	0	0	128.1	172	119	132	20	83	11	0	1	637	6	6.59	5.82	1.13	1.40	14.8	13.0	1.99	.354	9.26	12.06
3	Mike Johnson M. Johnson	8.21	32	32	6	14	.300	87	0	0	0	136.0	167	124	126	33	72	6	0	4	642	13	5.76	4.76	1.21	2.18	13.6	11.2	1.76	.302	8.34	11.05
4	Aaron Myette A. Myette	8.08	30	30	6	12	.333	117	0	0	0	130.1	157	117	121	23	86	18	0	0	639	8	8.08	5.94	1.36	1.59	18.3	13.5	1.86	.339	8.36	10.84
5	Clint Sodowsky C. Sodowsky	8.02	20	20	4	8	.333	41	0	0	0	79.2	104	71	81	12	58	5	0	1	400	4	4.63	6.55	0.71	1.36	10.3	14.5	2.03	.324	9.15	11.75
6	Buck Farmer B. Farmer	7.73	22	22	5	10	.333	80	0	0	0	89.2	108	77	81	18	38	7	0	0	415	2	8.03	3.81	2.11	1.81	19.3	9.2	1.63	.331	8.13	10.84
7	Radhames Liz R. Liz	7.37	21	21	6	8	.429	70	0	0	0	97.2	119	80	84	19	63	4	0	3	464	9	6.45	5.81	1.11	1.75	15.1	13.6	1.86	.325	7.74	10.97
8	Hal Elliott H. Elliott	7.36	30	30	2	18	.100	31	4	0	0	148.0	200	121	137	12	95	1	0		721	2	1.89	5.78	0.33	0.73	4.3	13.2	1.99	.323	8.33	12.16
9	Russ Springer R. Springer	7.34	27	27	5	14	.263	77	1	0	0	137.1	188	112	119	25	64	4	0	3	650	8	5.05	4.19	1.20	1.64	11.8	9.8	1.83	.340	7.80	12.32
10	Greg Keagle G. Keagle	7.25	23	23	3	15	.167	67	0	0	0	103.0	135	83	87	20	53	10	0	0	500	3	5.85	4.63	1.26	1.75	13.4	10.6	1.83	.329	7.60	11.80
11	Spencer Howard S. Howard	7.07	32	32	3	12	.200	96	0	0	0	112.0	138	88	95	24	55	5	0	1	529	5	7.71	4.42	1.75	1.93	18.1	10.4	1.72	.327	7.63	11.09
12	Bob Wells B. Wells	7.04	21	21	7	8	.467	62	1	1	0	99.2	126	78	79	21	33	4	0	2	454	0	5.60	2.98	1.88	1.90	13.7	7.3	1.60	.314	7.13	11.38
13	Jim Walkup J. Walkup	7.04	53	53	12	30	.286	89	11	1	0	317.0	444	248	275	32	181	3	0		1,526	12	2.53	5.14	0.49	0.91	5.8	11.9	1.97	.337	7.81	12.61
14	Nick Bierbrodt N. Bierbrodt	7.02	25	25	6	9	.400	90	0	0	0	116.2	150	91	100	27	68	8	0	2	562	7	6.94	5.25	1.32	2.08	16.0	12.1	1.87	.333	7.71	11.57
15	Peter Lambert P. Lambert	6.96	35	35	5	15	.250	107	0	0	0	160.1	205	124	127	31	55	12	0	3	738	9	6.01	3.09	1.95	1.74	14.5	7.5	1.62	.326	7.13	11.51
16	Eddie Guardado E. Guardado	6.95	25	25	3	15	.167	60	0	0	0	125.2	169	97	99	19	50	1	0	2	578	0	4.30	3.58	1.20	1.36	10.4	8.7	1.74	.335	7.09	12.10
17	Esteban Yan E. Yan	6.94	23	23	5	8	.385	86	0	0	0	120.2	153	93	96	25	44	9	0	0	562	3	6.41	3.28	1.95	1.86	15.3	7.8	1.63	.322	7.16	11.41
18	Dylan Covey D. Covey	6.94	46	46	5	27	.156	154	0	0	0	218.0	256	168	182	41	100	3	0	5	992	13	6.36	4.13	1.54	1.69	15.5	10.1	1.63	.310	7.51	10.57
19	Greg Reynolds G. Reynolds	6.88	21	21	5	11	.313	39	0	0	0	104.2	131	80	82	21	37	8	0	5	480	3	3.35	3.18	1.05	1.81	8.1	7.7	1.61	.293	7.05	11.26
20	Herman Besse H. Besse	6.88	25	25	4	13	.235	69	5	0	0	142.2	181	109	118	15	79	3	0		681	3	4.35	4.98	0.87	0.95	10.1	11.6	1.82	.322	7.44	11.42
21	Mike Mohler M. Mohler	6.87	20	20	0	13	.000	59	0	0	0	90.1	105	69	78	15	47	4	0	2	419	3	5.88	4.68	1.26	1.49	14.1	11.2	1.68	.306	7.77	10.46
22	C.J. Nitkowski	6.84	44	44	8	19	.296	122	0	0	0	198.2	254	151	170	29	109	15	0	4	944	7	5.53	4.94	1.12	1.31	12.9	11.5	1.83	.336	7.70	11.51
23	Garrett Olson G. Olson	6.78	44	44	13	18	.419	139	0	0	0	217.2	262	164	167	37	113	13	0	2	1,014	7	5.75	4.67	1.23	1.53	13.7	11.1	1.72	.316	6.91	10.83
24	Aaron Brooks A. Brooks	6.78	32	32	8	15	.348	103	0	0	0	152.2	194	115	122	29	50	13	0	0	698	3	6.07	2.95	2.06	1.71	14.8	7.2	1.60	.328	7.19	11.44
25	J.C. Romero	6.71	22	22	3	11	.214	80	0	0	0	110.0	130	82	91	16	52	2	0	0	502	3	6.55	4.25	1.54	1.31	15.9	10.4	1.65	.324	7.45	10.64