lowest career era with a minimum of 340 ip and 50 games started by active player

Clayton Kershaw has the best career ERA by an active pitcher when pitching at least 340 innings and starting 50+ games, with an ERA of 2.51.

Interpreted as:

lowest career era with a minimum of 340 ip and 50 or more games started by active player

	NAME	ERA	IP	GS	G	W	L	W%	SO	CG	SHO	SV	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	Clayton Kershaw C. Kershaw	2.51	2753.2	432	435	212	94	.693	2,974	25	15	0	2,102	768	841	228	684	44	1	28	10,863	103	9.72	2.24	4.35	0.75	27.4	6.3	1.01	.270	2.75	64	2.83	70	6.87	365.9
2	Jacob deGrom J. deGrom	2.51	1436.1	230	230	89	59	.601	1,732	4	2	0	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
3	Drew Rasmussen D. Rasmussen	2.86	368.2	61	110	24	16	.600	349	0	0	2	297	117	126	29	95	7	17	2	1,477	17	8.52	2.32	3.67	0.71	23.6	6.4	1.06	.269	3.08	73	3.10	78	7.25	36.5
4	Max Fried M. Fried	2.98	959.1	163	180	80	37	.684	933	6	4	0	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
5	Shohei Ohtani S. Ohtani	3.01	481.2	86	86	38	19	.667	608	1	1	0	348	161	169	53	173	24	0	2	1,951	42	11.36	3.23	3.51	0.99	31.2	8.9	1.08	.270	3.16	71	3.30	77	6.50	50.1
6	Shane McClanahan S. McClanahan	3.02	404.2	74	74	33	16	.673	456	0	0	0	331	136	143	48	116	5	0	1	1,627	19	10.14	2.58	3.93	1.07	28.0	7.1	1.10	.282	3.18	77	3.35	84	7.36	29.1
7	Chris Sale C. Sale	3.04	2026.0	304	384	141	86	.621	2,500	16	3	12	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	290.5
8	Brandon Woodruff B. Woodruff	3.10	680.1	115	130	46	26	.639	788	2	1	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
9	Michael King M. King	3.13	477.0	59	156	30	28	.517	547	1	1	7	396	166	193	47	163	22	24	6	1,986	12	10.32	3.08	3.36	0.89	27.5	8.2	1.17	.289	3.64	76	3.32	80	7.47	44.2
10	Corbin Burnes C. Burnes	3.15	968.0	149	210	63	38	.624	1,114	0	0	2	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	3.25	78	7.03	99.8
11	Max Scherzer M. Scherzer	3.16	2881.0	458	467	215	112	.657	3,408	12	5	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
12	Gerrit Cole G. Cole	3.18	1954.0	317	317	153	80	.657	2,251	8	5	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
13	Blake Snell B. Snell	3.18	1105.2	213	213	77	58	.570	1,372	1	1	0	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
14	Shane Bieber S. Bieber	3.22	843.0	134	136	62	32	.660	958	5	2	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
15	Tarik Skubal T. Skubal	3.24	647.0	115	118	46	33	.582	747	1	1	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
16	Framber Valdez F. Valdez	3.29	966.2	147	169	73	45	.619	939	9	3	0	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
17	Justin Steele J. Steele	3.30	506.2	91	102	32	22	.593	517	1	0	0	460	186	219	51	155	20	2	2	2,123	14	9.18	2.75	3.34	0.91	24.4	7.3	1.21	.296	3.89	81	3.48	85	8.17	35.1
18	Justin Verlander J. Verlander	3.31	3467.2	536	536	262	150	.636	3,457	26	9	0	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
19	Zack Wheeler Z. Wheeler	3.32	1654.2	271	271	109	72	.602	1,719	4	3	0	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
20	Walker Buehler W. Buehler	3.34	760.1	131	140	51	25	.671	796	3	1	0	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
21	Tony Gonsolin T. Gonsolin	3.34	406.2	77	85	36	12	.750	381	0	0	1	294	151	159	52	146	15	2	2	1,646	17	8.43	3.23	2.61	1.15	23.1	8.9	1.08	.230	3.52	81	4.14	97	6.51	5.7
22	Alek Manoah A. Manoah	3.34	420.0	75	75	29	20	.592	412	0	0	0	331	156	176	48	158	44	0	1	1,763	9	8.83	3.39	2.61	1.03	23.4	9.0	1.16	.257	3.77	81	4.12	99	7.09	0.5
23	Tanner Bibee T. Bibee	3.35	378.2	67	67	26	17	.605	378	0	0	0	331	141	148	47	110	15	0	1	1,556	9	8.98	2.61	3.44	1.12	24.3	7.1	1.16	.282	3.52	83	3.79	92	7.87	13.9
24	Logan Webb L. Webb	3.37	928.2	155	158	59	45	.567	854	3	2	0	882	348	385	64	221	30	0	4	3,795	21	8.28	2.14	3.86	0.62	22.5	5.8	1.19	.312	3.73	83	3.03	76	8.55	102.9
25	Seth Lugo S. Lugo	3.38	907.2	107	344	59	45	.567	874	1	0	16	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