what team has the best era for starting pitchers only

The New York Mets have the lowest ERA by a team this season, with an ERA of 2.70.

Interpreted as:

What team has the best era for starting pitchers only this regular season?

	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	Mets	2.70	2025	36	.639	23	13	36	188	0	0	0	180.1	166	54	62	9	69	8	0	0	766	6	9.38	3.44	2.72	0.45	24.5	9.0	1.30	.319	3.09	8.28
2	Rangers	3.09	2025	35	.486	17	18	35	162	1	1	0	180.2	157	62	65	17	46	6	0	0	735	8	8.07	2.29	3.52	0.85	22.0	6.3	1.12	.278	3.24	7.82
3	Royals	3.18	2025	36	.556	20	16	36	196	0	0	0	203.2	173	72	77	23	68	4	0	2	841	9	8.66	3.00	2.88	1.02	23.3	8.1	1.18	.273	3.40	7.64
4	Tigers	3.19	2025	35	.629	22	13	35	192	0	0	0	191.2	164	68	71	23	64	6	0	1	791	4	9.02	3.01	3.00	1.08	24.3	8.1	1.19	.279	3.33	7.70
5	Cubs	3.43	2025	36	.611	22	14	36	172	0	0	0	194.1	179	74	78	26	56	7	0	0	811	0	7.97	2.59	3.07	1.20	21.2	6.9	1.21	.278	3.61	8.29
6	Twins	3.50	2025	35	.429	15	20	35	171	0	0	0	177.2	170	69	75	23	48	9	0	0	749	2	8.66	2.43	3.56	1.17	22.8	6.4	1.23	.295	3.80	8.61
7	Phillies	3.51	2025	34	.559	19	15	34	216	0	0	0	190.0	177	74	84	20	59	9	0	0	797	4	10.23	2.79	3.66	0.95	27.1	7.4	1.24	.318	3.98	8.38
8	Padres	3.52	2025	34	.676	23	11	34	162	1	1	0	171.1	149	67	72	16	71	5	0	1	723	3	8.51	3.73	2.28	0.84	22.4	9.8	1.28	.284	3.78	7.83
9	Astros	3.70	2025	34	.500	17	17	34	182	1	0	0	182.2	151	75	81	22	58	6	0	0	743	2	8.97	2.86	3.14	1.08	24.5	7.8	1.14	.272	3.99	7.44
10	Reds	3.73	2025	36	.500	18	18	36	191	0	0	0	195.2	161	81	89	27	57	10	0	0	807	9	8.79	2.62	3.35	1.24	23.7	7.1	1.11	.257	4.09	7.41
11	Brewers	3.81	2025	36	.500	18	18	36	150	0	0	0	174.2	159	74	78	28	72	4	0	2	741	3	7.73	3.71	2.08	1.44	20.2	9.7	1.32	.269	4.02	8.19
12	Red Sox	3.84	2025	36	.500	18	18	36	187	0	0	0	199.0	189	85	94	25	70	10	0	0	842	2	8.46	3.17	2.67	1.13	22.2	8.3	1.30	.298	4.25	8.55
13	Mariners	3.88	2025	34	.588	20	14	34	172	0	0	0	176.1	161	76	77	15	65	4	0	0	745	5	8.78	3.32	2.65	0.77	23.1	8.7	1.28	.299	3.93	8.22
14	White Sox	3.88	2025	35	.286	10	25	35	129	0	0	0	160.0	156	69	78	19	69	15	0	0	704	5	7.26	3.88	1.87	1.07	18.3	9.8	1.41	.290	4.39	8.78
15	Yankees	3.92	2025	35	.543	19	16	35	174	0	0	0	177.0	139	77	86	23	74	4	0	0	744	3	8.85	3.76	2.35	1.17	23.4	9.9	1.20	.247	4.37	7.07
16	Rays	3.92	2025	34	.471	16	18	34	164	0	0	0	190.2	165	83	86	29	61	6	0	1	777	2	7.74	2.88	2.69	1.37	21.1	7.9	1.19	.263	4.06	7.79
17	Dodgers	3.96	2025	35	.686	24	11	35	159	0	0	0	157.0	130	69	80	19	76	4	0	0	672	10	9.11	4.36	2.09	1.09	23.7	11.3	1.31	.268	4.59	7.45
18	Giants	4.09	2025	36	.611	22	14	36	202	0	0	0	196.0	186	89	97	18	76	3	0	0	832	7	9.28	3.49	2.66	0.83	24.3	9.1	1.34	.315	4.45	8.54
19	Nationals	4.20	2025	35	.457	16	19	35	172	0	0	0	190.2	182	89	91	22	64	6	0	0	804	4	8.12	3.02	2.69	1.04	21.4	8.0	1.29	.296	4.30	8.59
20	Cardinals	4.22	2025	36	.472	17	19	36	140	0	0	0	190.0	181	89	93	18	62	5	0	0	796	4	6.63	2.94	2.26	0.85	17.6	7.8	1.28	.285	4.41	8.57
21	Braves	4.31	2025	34	.471	16	18	34	172	0	0	0	181.2	176	87	90	28	65	7	0	1	778	8	8.52	3.22	2.65	1.39	22.1	8.4	1.33	.292	4.46	8.72
22	Angels	4.35	2025	33	.394	13	20	33	127	0	0	0	178.0	165	86	90	27	75	7	0	3	754	4	6.42	3.79	1.69	1.37	16.8	9.9	1.35	.266	4.55	8.34
23	Pirates	4.38	2025	36	.333	12	24	36	158	0	0	0	193.1	185	94	102	22	58	9	0	0	814	5	7.36	2.70	2.72	1.02	19.4	7.1	1.26	.287	4.75	8.61
24	Athletics	4.46	2025	36	.556	20	16	36	150	0	0	0	189.2	190	94	102	29	70	8	0	1	827	0	7.12	3.32	2.14	1.38	18.1	8.5	1.37	.282	4.84	9.02
25	Diamondbacks	4.47	2025	35	.514	18	17	35	180	0	0	0	191.1	178	95	106	31	70	9	0	1	817	4	8.47	3.29	2.57	1.46	22.0	8.6	1.30	.279	4.99	8.37