which mlb teams have highest era average in first five innings

The Buffalo Bisons have the highest ERA by a team, with an ERA of 6.11.

	TEAM	ERA	G	W%	W	L	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Bisons	6.11	134	.273	36	96	134	351	125		0	1141.0	1,499	775	1,199	67	673	48		5,658	78	2.77	5.31	0.52	0.53	6.2	11.9	1.90	.317	9.46	11.82
2	Rockies	5.02	5,072	.459	2,330	2,742	5,072	33,524	118	34	1,147	44845.1	48,743	25,033	26,997	5,945	17,874	1,905	1,337	197,772	1,920	6.73	3.59	1.88	1.19	17.0	9.0	1.49	.309	5.42	9.78
3	Stars	4.98	128	.433	55	72	128	454	115		0	1089.2	1,158	603	831	28	518	65		4,967	57	3.75	4.28	0.88	0.23	9.1	10.4	1.54	.290	6.86	9.56
4	Cowboys	4.85	126	.248	30	91	126	442	117		0	1066.2	1,345	575	872	27	246			4,805	95	3.73	2.08	1.80	0.23	9.2	5.1	1.49		7.36	11.35
5	Senators	4.72	1,265	.366	454	788	1,265	3,047	1,031		24	10745.2	13,330	5,635	8,777	367	4,319	651		49,546	411	2.55	3.62	0.71	0.31	6.1	8.7	1.64	.315	7.35	11.16
6	Gladiators	4.71	100	.263	26	73	100	230	96		0	879.0	1,011	460	733	21	421	57		4,093	69	2.35	4.31	0.55	0.22	5.6	10.3	1.63	.294	7.51	10.35
7	Mountain City	4.67	25	.240	6	19	25	93	20		0	219.2	292	114	216	3	52			1,027	14	3.81	2.13	1.79	0.12	9.1	5.1	1.57		8.85	11.96
8	Keystones	4.63	67	.313	21	46	67	310	64		0	593.1	726	305	545	7	105			2,677	80	4.70	1.59	2.95	0.11	11.6	3.9	1.40		8.27	11.01
9	Hoosiers	4.62	398	.370	146	249	398	1,041	359		3	3450.0	3,914	1,770	2,590	197	1,159	130		15,442	228	2.72	3.02	0.90	0.51	6.7	7.5	1.47	.288	6.76	10.21
10	Virginians	4.52	46	.286	12	30	46	167	45		0	370.1	402	186	294	14	52	17		1,634	19	4.06	1.26	3.21	0.34	10.2	3.2	1.23	.280	7.14	9.77
11	Cowboys	4.32	271	.364	98	171	271	828	256		2	2362.0	2,679	1,135	1,927	83	858	126		10,688	199	3.15	3.27	0.97	0.32	7.7	8.0	1.50	.295	7.34	10.21
12	Marlins	4.31	5,062	.459	2,323	2,739	5,062	36,735	157	67	1,205	45045.2	44,622	21,566	23,533	4,966	18,175	1,885	1,587	195,125	1,637	7.34	3.63	2.02	0.99	18.8	9.3	1.39	.297	4.70	8.92
13	Mariners	4.29	7,602	.477	3,628	3,972	7,602	49,958	587	152	1,828	67758.0	67,604	32,286	35,391	8,036	25,230	2,394	1,790	291,348	2,534	6.64	3.35	1.98	1.07	17.1	8.7	1.37	.290	4.70	8.98
14	Diamondbacks	4.29	4,324	.489	2,113	2,211	4,324	32,801	138	55	1,045	38623.1	38,188	18,391	20,052	4,876	13,696	1,513	1,040	165,652	1,477	7.64	3.19	2.39	1.14	19.8	8.3	1.34	.295	4.67	8.90
15	Rangers	4.28	10,179	.476	4,843	5,330	10,179	61,434	1,191	286	2,210	90645.2	91,230	43,146	47,881	10,004	34,956	3,058	2,340	391,739	3,386	6.10	3.47	1.76	0.99	15.7	8.9	1.39	.288	4.75	9.06
16	Royals	4.25	8,886	.477	4,236	4,648	8,886	52,494	955	240	2,034	79088.2	80,413	37,384	41,006	8,377	29,049	2,530	1,886	340,598	3,081	5.97	3.31	1.81	0.95	15.4	8.5	1.38	.290	4.67	9.15
17	Infants	4.23	131	.423	55	75	131	325	115		0	1143.2	1,386	537	1,027	45	571	55		5,460	86	2.56	4.49	0.57	0.35	6.0	10.5	1.71	.300	8.08	10.91
18	Blue Jays	4.22	7,603	.498	3,786	3,814	7,603	49,772	650	162	1,779	67850.0	67,374	31,791	34,772	7,891	25,128	2,427	1,616	291,262	2,432	6.60	3.33	1.98	1.05	17.1	8.6	1.36	.289	4.61	8.94
19	Rays	4.22	4,321	.490	2,116	2,205	4,321	32,448	105	41	1,112	38477.1	37,108	18,022	19,660	4,839	13,971	1,657	756	164,487	1,572	7.59	3.27	2.32	1.13	19.7	8.5	1.33	.289	4.60	8.68
20	Burghers	4.22	128	.469	60	68	128	318	121		0	1116.2	1,267	523	892	32	334	40		5,144	52	2.56	2.69	0.95	0.26	6.2	6.5	1.43	.279	7.19	10.21
21	Hoosiers	4.20	110	.271	29	78	110	479	107		0	937.2	1,000	438	755	30	199	28		4,160	75	4.60	1.91	2.41	0.29	11.5	4.8	1.28	.283	7.25	9.60
22	Giants	4.17	132	.565	74	57	132	449	111		6	1172.1	1,216	543	875	37	569	53		5,372	77	3.45	4.37	0.79	0.28	8.4	10.6	1.52	.277	6.72	9.34
23	Nationals	4.16	514	.326	163	337	514	1,690	485		0	4413.2	4,781	2,042	3,240	168	1,503	129		19,523	280	3.45	3.06	1.12	0.34	8.7	7.7	1.42	.288	6.61	9.75
24	Brewers	4.14	8,895	.487	4,333	4,558	8,895	54,796	929	208	2,157	79363.2	79,209	36,522	40,351	8,935	29,372	2,552	2,277	341,205	2,781	6.21	3.33	1.87	1.01	16.1	8.6	1.37	.286	4.58	8.98
25	Athletics	4.05	132	.519	68	63	132	361	118		2	1154.1	1,292	520	855	33	495	57		5,324	51	2.81	3.86	0.73	0.26	6.8	9.3	1.55	.288	6.67	10.07