Aaron Myette has the worst career ERA when starting 30+ games, with an ERA of 8.16.

Interpreted as:

highest era by a player minimum 30 starts

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Aaron Myette A. Myette	8.16	30	47	6	12	.333	134	0	0	0	154.1	185	140	144	26	106	22	7	1	761	9	7.81	6.18	1.26	1.52	17.6	13.9	1.89	.336	8.40	174	5.97	131	10.79	-23.2
2	Spencer Howard S. Howard	7.00	32	47	4	13	.235	136	0	0	0	144.0	181	112	123	31	69	6	5	1	683	7	8.50	4.31	1.97	1.94	19.9	10.1	1.74	.340	7.69	168	5.62	134	11.31	-21.9
3	Bill Kissinger B. Kissinger	6.99	32	53	7	25	.219	61	23	0	1	319.1	500	248	342	15	123	24	20		1,568	10	1.72	3.47	0.50	0.42	3.9	7.8	1.95	.361	9.64	154	5.04	111	14.09	-17
4	Hal Elliott H. Elliott	6.95	30	120	11	24	.314	90	4	0	3	322.1	453	249	295	22	174	2	42		1,550	4	2.51	4.86	0.52	0.61	5.8	11.2	1.95	.342	8.24	140	5.22	106	12.65	-5.2
5	Jack Wadsworth J. Wadsworth	6.85	44	47	6	38	.136	87	39	0	0	367.2	524	280	393	16	199	10	2		1,808	32	2.13	4.87	0.44	0.39	4.8	11.0	1.97	.340	9.62	156	5.17	116	12.83	-30.3
6	Mike Johnson M. Johnson	6.85	32	81	7	14	.333	147	0	0	2	218.0	254	166	169	47	103	13	10	6	1,003	17	6.07	4.25	1.43	1.94	14.7	10.3	1.64	.299	6.98	153	6.16	136	10.49	-39.6
7	Jim Walkup J. Walkup	6.74	53	116	16	38	.296	134	11	1	1	462.1	614	346	381	49	260	5	34		2,195	20	2.61	5.06	0.52	0.95	6.1	11.8	1.89	.323	7.42	138	5.55	116	11.95	-35.7
8	Ken Cloude K. Cloude	6.56	45	71	16	16	.500	195	0	0	1	278.2	334	203	215	47	152	11	8	9	1,303	12	6.30	4.91	1.28	1.52	15.0	11.7	1.74	.320	6.94	141	5.67	123	10.79	-32.4
9	Jeff Johnson J. Johnson	6.52	33	38	8	16	.333	76	0	0	0	182.1	239	132	143	20	58	8	3	1	829	6	3.75	2.86	1.31	0.99	9.2	7.0	1.63	.328	7.06	162	4.51	110	11.80	-8.4
10	Chris George C. George	6.48	44	47	14	20	.412	99	1	0	0	237.1	300	171	179	39	95	4	1	3	1,085	9	3.75	3.60	1.04	1.48	9.1	8.8	1.66	.308	6.79	136	5.58	122	11.38	-26.1
11	Dewon Brazelton D. Brazelton	6.38	43	63	8	25	.242	145	0	0	0	271.0	305	192	217	42	151	20	5	7	1,256	9	4.82	5.01	0.96	1.39	11.5	12.0	1.68	.293	7.21	145	5.87	133	10.13	-43.8
12	Aaron Brooks A. Brooks	6.36	32	57	9	15	.375	142	0	0	0	206.2	248	146	153	38	63	18	18	0	928	4	6.18	2.74	2.25	1.65	15.3	6.8	1.50	.315	6.66	151	5.36	125	10.80	-23.9
13	Kirtley Baker K. Baker	6.28	44	58	9	38	.191	115	34	2	0	371.0	483	259	388	20	186	31	13		1,789	30	2.79	4.51	0.62	0.49	6.4	10.4	1.80	.322	9.41	163	4.80	125	11.72	-44.4
14	Peter Lambert P. Lambert	6.28	35	74	8	19	.296	181	0	0	0	243.2	297	170	177	45	95	13	8	5	1,105	11	6.69	3.51	1.91	1.66	16.4	8.6	1.61	.327	6.54	129	5.45	120	10.97	-23.5
15	Garrett Olson G. Olson	6.26	44	104	14	22	.389	193	0	0	1	287.2	336	200	205	46	143	14	17	4	1,328	14	6.04	4.47	1.35	1.44	14.5	10.8	1.67	.311	6.41	145	5.49	125	10.51	-35.3
16	John Koronka J. Koronka	6.25	30	31	8	13	.381	77	0	0	0	158.1	191	110	113	23	67	6	1	2	723	5	4.38	3.81	1.15	1.31	10.7	9.3	1.63	.305	6.42	135	5.43	120	10.86	-15.3
17	David Hess D. Hess	6.25	34	62	6	22	.214	161	0	0	0	210.1	242	146	166	61	80	11	13	3	953	4	6.89	3.42	2.01	2.61	16.9	8.4	1.53	.283	7.10	141	6.71	148	10.35	-48.6
18	Ryan Glynn R. Glynn	6.24	40	52	9	20	.310	116	0	0	0	226.1	280	157	174	41	117	7	7	4	1,064	11	4.61	4.65	0.99	1.63	10.9	11.0	1.75	.305	6.92	128	6.07	127	11.13	-31.2
19	Otis Stocksdale O. Stocksdale	6.20	46	54	15	31	.326	48	30	0	1	347.0	521	239	366	23	136	28	8		1,693	10	1.24	3.53	0.35	0.60	2.8	8.0	1.89	.342	9.49	127	5.59	113	13.51	-25
20	Dylan Covey D. Covey	6.18	46	100	7	32	.179	214	0	0	0	307.1	353	211	228	52	133	8	29	8	1,382	15	6.27	3.89	1.61	1.52	15.5	9.6	1.58	.309	6.68	142	5.36	121	10.34	-31.3
21	Mike McDermott M. McDermott	6.17	47	58	11	33	.250	69	27	1	0	355.2	443	244	347	16	191	20	10		1,681	25	1.75	4.83	0.36	0.40	4.1	11.4	1.78	.308	8.78	139	5.44	123	11.21	-42.9
22	Varney Anderson V. Anderson	6.16	30	35	9	20	.310	41	22	0	0	239.2	339	164	237	13	115	14	4		1,162	2	1.54	4.32	0.36	0.49	3.5	9.9	1.89	.333	8.90	131	5.53	117	12.73	-22.1
23	Ruben Quevedo R. Quevedo	6.15	58	66	14	30	.318	237	2	1	0	326.1	364	223	243	70	175	7	1	12	1,501	9	6.54	4.83	1.35	1.93	15.8	11.7	1.65	.291	6.70	143	6.03	137	10.04	-58.2
24	Carlton Loewer C. Loewer	6.12	41	48	10	18	.357	118	3	1	0	238.1	302	162	169	32	76	4	2	2	1,068	8	4.46	2.87	1.55	1.21	11.0	7.1	1.59	.322	6.38	142	4.88	112	11.40	-14
25	Sean Douglass S. Douglass	6.11	31	54	7	13	.350	155	0	0	0	207.2	222	141	149	34	113	8	7	8	936	8	6.72	4.90	1.37	1.47	16.6	12.1	1.61	.300	6.46	139	5.39	122	9.62	-22.1