what team had the worst starting pitcher era in 2023

The Colorado Rockies had the worst ERA by a team in 2023, with an ERA of 5.91.

	TEAM	ERA	SEASON	G	W%	W	L	GS	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	Rockies	5.91	2023	162	.364	59	103	162	533	0	0	0	767.0	904	504	530	154	273	39	0	1	3,398	20	6.25	3.20	1.95	1.81	15.7	8.0	1.53	.313	6.22	10.61
2	Athletics	5.74	2023	162	.309	50	112	162	670	0	0	0	738.0	801	471	498	131	326	52	0	7	3,326	27	8.17	3.98	2.06	1.60	20.1	9.8	1.53	.312	6.07	9.77
3	Reds	5.43	2023	162	.506	82	80	162	764	0	0	0	787.0	849	475	489	146	308	38	0	1	3,478	23	8.74	3.52	2.48	1.67	22.0	8.9	1.47	.316	5.59	9.71
4	Royals	5.12	2023	162	.346	56	106	162	636	3	0	0	785.2	805	447	467	122	251	35	0	0	3,357	29	7.29	2.88	2.53	1.40	18.9	7.5	1.34	.295	5.35	9.22
5	Cardinals	5.08	2023	162	.438	71	91	162	653	0	0	0	848.2	976	479	511	114	289	36	0	0	3,746	29	6.92	3.06	2.26	1.21	17.4	7.7	1.49	.325	5.42	10.35
6	Nationals	5.02	2023	162	.438	71	91	162	702	0	0	0	829.1	900	463	491	151	345	33	0	6	3,674	31	7.62	3.74	2.03	1.64	19.1	9.4	1.50	.307	5.33	9.77
7	Pirates	4.88	2023	162	.469	76	86	162	725	2	2	0	803.2	809	436	461	108	337	47	0	2	3,546	27	8.12	3.77	2.15	1.21	20.4	9.5	1.43	.301	5.16	9.06
8	White Sox	4.88	2023	162	.377	61	101	162	873	2	0	0	840.0	810	455	483	135	371	51	0	4	3,684	37	9.35	3.98	2.35	1.45	23.7	10.1	1.41	.299	5.18	8.68
9	Red Sox	4.68	2023	162	.481	78	84	162	787	0	0	0	774.1	757	403	423	130	242	43	0	0	3,299	22	9.15	2.81	3.25	1.51	23.9	7.3	1.29	.299	4.92	8.80
10	Diamondbacks	4.67	2023	162	.519	84	78	162	765	1	1	0	840.1	840	436	458	118	288	21	0	2	3,572	18	8.19	3.08	2.66	1.26	21.4	8.1	1.34	.303	4.91	9.00
11	Dodgers	4.57	2023	162	.617	100	62	162	724	0	0	0	801.2	744	407	419	132	238	39	0	1	3,351	23	8.13	2.67	3.04	1.48	21.6	7.1	1.22	.276	4.70	8.35
12	Angels	4.51	2023	162	.451	73	89	162	849	1	1	0	830.0	780	416	453	121	346	47	0	8	3,593	36	9.21	3.75	2.45	1.31	23.6	9.6	1.36	.296	4.91	8.46
13	Yankees	4.44	2023	162	.506	82	80	162	814	3	3	0	820.2	767	405	436	136	252	41	0	1	3,468	30	8.93	2.76	3.23	1.49	23.5	7.3	1.24	.284	4.78	8.41
14	Braves	4.36	2023	162	.642	104	58	162	874	1	1	0	852.0	815	413	437	112	323	46	0	5	3,655	37	9.23	3.41	2.71	1.18	23.9	8.8	1.34	.306	4.62	8.61
15	Tigers	4.31	2023	162	.481	78	84	162	732	0	0	0	786.2	710	377	408	105	252	22	0	0	3,284	21	8.37	2.88	2.90	1.20	22.3	7.7	1.22	.278	4.67	8.12
16	Phillies	4.30	2023	162	.556	90	72	162	864	1	1	0	899.0	844	430	461	124	253	29	0	1	3,754	14	8.65	2.53	3.42	1.24	23.0	6.7	1.22	.290	4.62	8.45
17	Cubs	4.26	2023	162	.512	83	79	162	736	1	1	0	851.1	847	403	456	115	241	31	0	1	3,618	26	7.78	2.55	3.05	1.22	20.3	6.7	1.28	.293	4.82	8.95
18	Mets	4.20	2023	162	.463	75	87	162	826	1	0	0	858.0	837	400	428	116	346	30	0	0	3,693	36	8.66	3.63	2.39	1.22	22.4	9.4	1.38	.304	4.49	8.78
19	Astros	4.17	2023	162	.556	90	72	162	852	2	2	0	900.0	847	417	452	130	312	40	0	0	3,802	25	8.52	3.12	2.73	1.30	22.4	8.2	1.29	.291	4.52	8.47
20	Orioles	4.14	2023	162	.623	101	61	162	817	0	0	0	878.1	821	404	417	125	261	33	0	2	3,659	31	8.37	2.67	3.13	1.28	22.3	7.1	1.23	.287	4.27	8.41
21	Giants	4.12	2023	162	.488	79	83	162	656	4	2	0	729.1	725	334	367	98	171	36	0	0	3,042	15	8.10	2.11	3.84	1.21	21.6	5.6	1.23	.301	4.53	8.95
22	Guardians	4.09	2023	162	.469	76	86	162	723	1	0	0	857.1	820	390	408	106	302	31	0	1	3,648	37	7.59	3.17	2.39	1.11	19.8	8.3	1.31	.287	4.28	8.61
23	Marlins	4.09	2023	162	.519	84	78	162	825	3	1	0	818.0	751	372	395	115	268	35	0	1	3,423	24	9.08	2.95	3.08	1.27	24.1	7.8	1.25	.292	4.35	8.26
24	Rangers	3.96	2023	162	.556	90	72	162	794	3	1	0	872.0	813	384	400	113	289	34	0	1	3,635	18	8.19	2.98	2.75	1.17	21.8	8.0	1.26	.291	4.13	8.39
25	Brewers	3.94	2023	162	.568	92	70	162	846	1	1	0	877.1	751	384	409	134	273	28	0	0	3,618	22	8.68	2.80	3.10	1.37	23.4	7.5	1.17	.264	4.20	7.70