lowest era among active pitchers with at least 100 games started

Jacob deGrom has the best career ERA by an active pitcher when starting 100+ games, with an ERA of 2.51.

	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	Jacob deGrom J. deGrom	2.51	230	230	89	59	.601	1,732	4	2	0	1436.1	1,102	401	438	129	325	23	0	13	5,646	28	10.85	2.04	5.33	0.81	30.7	5.8	0.99	.283	2.74	65	2.63	65	6.91	231.7
2	Clayton Kershaw C. Kershaw	2.52	433	436	212	94	.693	2,976	25	15	0	2758.1	2,108	771	846	229	687	44	1	28	10,886	104	9.71	2.24	4.33	0.75	27.3	6.3	1.01	.270	2.76	64	2.83	70	6.88	364.4
3	Max Fried M. Fried	2.98	163	180	80	37	.684	933	6	4	0	959.1	840	318	353	81	262	39	10	6	3,913	43	8.75	2.46	3.56	0.76	23.8	6.7	1.15	.292	3.31	70	3.25	78	7.88	96.6
4	Chris Sale C. Sale	3.04	304	384	141	86	.621	2,500	16	3	12	2026.0	1,655	684	737	209	474	125	25	15	8,165	47	11.11	2.11	5.27	0.93	30.6	5.8	1.05	.298	3.27	71	2.89	69	7.35	290.6
5	Brandon Woodruff B. Woodruff	3.10	115	130	46	26	.639	788	2	1	1	680.1	535	234	243	75	176	29	4	1	2,727	7	10.42	2.33	4.48	0.99	28.9	6.5	1.05	.277	3.21	73	3.19	75	7.08	81.7
6	Corbin Burnes C. Burnes	3.15	149	210	63	38	.624	1,114	0	0	2	968.0	756	339	374	104	280	38	16	3	3,914	42	10.36	2.60	3.98	0.97	28.5	7.2	1.07	.274	3.48	75	3.24	78	7.03	99.9
7	Max Scherzer M. Scherzer	3.16	458	467	215	112	.657	3,408	12	5	0	2881.0	2,349	1,012	1,085	337	756	112	2	20	11,640	78	10.65	2.36	4.51	1.05	29.3	6.5	1.08	.286	3.39	76	3.18	77	7.34	307.9
8	Gerrit Cole G. Cole	3.18	317	317	153	80	.657	2,251	8	5	0	1954.0	1,627	690	740	217	500	61	0	8	7,861	58	10.37	2.30	4.50	1.00	28.6	6.4	1.09	.292	3.41	79	3.16	77	7.49	213.5
9	Blake Snell B. Snell	3.18	213	213	77	58	.570	1,372	1	1	0	1105.2	850	391	426	108	503	11	0	5	4,583	81	11.17	4.09	2.73	0.88	29.9	11.0	1.22	.287	3.47	78	3.35	80	6.92	100.7
10	Shane Bieber S. Bieber	3.22	134	136	62	32	.660	958	5	2	0	843.0	752	302	323	94	188	18	1	1	3,415	34	10.23	2.01	5.10	1.00	28.1	5.5	1.12	.305	3.45	76	3.08	73	8.03	108
11	Tarik Skubal T. Skubal	3.24	115	118	46	33	.582	747	1	1	0	647.0	526	233	251	78	146	24	1	0	2,593	9	10.39	2.03	5.12	1.09	28.8	5.6	1.04	.280	3.49	79	3.20	77	7.32	65.3
12	Framber Valdez F. Valdez	3.29	147	169	73	45	.619	939	9	3	0	966.2	800	353	389	78	345	54	7	1	3,988	52	8.74	3.21	2.72	0.73	23.5	8.7	1.18	.281	3.62	79	3.51	84	7.45	68.4
13	Justin Verlander J. Verlander	3.31	536	536	262	150	.636	3,457	26	9	0	3467.2	2,943	1,277	1,381	363	973	116	0	27	14,170	97	8.97	2.53	3.55	0.94	24.4	6.9	1.13	.279	3.58	78	3.43	81	7.64	303
14	Zack Wheeler Z. Wheeler	3.32	271	271	109	72	.602	1,719	4	3	0	1654.2	1,420	610	660	156	475	70	0	14	6,794	39	9.35	2.58	3.62	0.85	25.3	7.0	1.15	.289	3.59	83	3.29	80	7.72	153.9
15	Walker Buehler W. Buehler	3.34	131	140	51	25	.671	796	3	1	0	760.1	634	282	312	92	205	31	2	4	3,101	22	9.42	2.43	3.88	1.09	25.7	6.6	1.10	.274	3.69	82	3.57	85	7.50	55.9
16	Logan Webb L. Webb	3.34	156	159	59	45	.567	861	3	2	0	936.2	888	348	385	64	221	31	0	4	3,825	21	8.27	2.12	3.90	0.61	22.5	5.8	1.18	.311	3.70	82	3.02	75	8.53	104.9
17	Seth Lugo S. Lugo	3.38	107	344	59	45	.567	874	1	0	16	907.2	808	341	368	106	238	32	66	18	3,726	20	8.67	2.36	3.67	1.05	23.5	6.4	1.15	.284	3.65	83	3.65	88	8.01	50.5
18	Zac Gallen Z. Gallen	3.44	156	156	57	42	.576	955	2	2	0	889.0	732	340	361	97	291	34	0	3	3,648	32	9.67	2.95	3.28	0.98	26.2	8.0	1.15	.280	3.65	81	3.53	87	7.41	54.1
19	Sonny Gray S. Gray	3.51	310	319	116	95	.550	1,800	6	4	0	1806.1	1,553	705	773	176	597	56	2	5	7,478	105	8.97	2.97	3.02	0.88	24.1	8.0	1.19	.284	3.85	85	3.51	85	7.74	127.6
20	Lance McCullers Jr. L. McCullers Jr.	3.51	133	136	50	33	.602	833	1	0	0	743.0	625	290	313	60	308	42	0	4	3,131	48	10.09	3.73	2.70	0.73	26.6	9.8	1.26	.299	3.79	85	3.37	81	7.57	67.2
21	Luis Castillo L. Castillo	3.53	223	223	76	79	.490	1,386	1	0	0	1298.1	1,104	509	555	155	430	42	0	8	5,367	16	9.61	2.98	3.22	1.07	25.8	8.0	1.18	.283	3.85	85	3.68	87	7.65	80.5
22	Logan Gilbert L. Gilbert	3.55	127	127	40	31	.563	755	2	1	0	734.2	617	290	307	94	156	19	0	6	2,959	33	9.25	1.91	4.84	1.15	25.5	5.3	1.05	.270	3.76	91	3.49	88	7.56	40.6
23	Yu Darvish Y. Darvish	3.58	282	282	110	88	.556	2,007	2	1	0	1706.0	1,394	678	712	217	544	77	0	8	7,009	79	10.59	2.87	3.69	1.14	28.6	7.8	1.14	.283	3.76	85	3.53	84	7.35	125.8
24	Sandy Alcantara S. Alcantara	3.59	150	158	43	62	.410	833	12	4	0	957.2	829	382	429	99	303	37	3	8	3,941	22	7.83	2.85	2.75	0.93	21.1	7.7	1.18	.274	4.03	85	3.84	92	7.79	33.7
25	Chris Bassitt C. Bassitt	3.60	199	212	77	59	.566	1,094	2	2	0	1174.2	1,085	470	508	130	372	86	6	6	4,963	32	8.38	2.85	2.94	1.00	22.0	7.5	1.24	.291	3.89	88	3.91	94	8.31	31.6