Between the 2020 and 2023 seasons, Trevor Bauer had the best ERA, with an ERA of 2.24.

Interpreted as:

pitcher with best era with a minimum of 0.5 IP per team game from 2020 to 2023

	NAME	ERA	G	W	L	W%	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	ERA-	FIP	FIP-	H/9	PRAA
1	Trevor Bauer T. Bauer	2.24	28	13	9	.591	28	237	3	2	0	180.2	112	45	53	28	54	6	0	2	710	6	11.81	2.69	4.39	1.39	33.4	7.6	0.92	.218	2.64	53	3.56	81	5.58	17.2
2	Justin Verlander J. Verlander	2.46	56	32	12	.727	56	336	0	0	0	343.1	258	94	108	32	75	11	0	0	1,356	8	8.81	1.97	4.48	0.84	24.8	5.5	0.97	.251	2.83	60	3.18	77	6.76	35
3	Max Fried M. Fried	2.66	83	43	15	.741	83	458	3	3	0	484.2	407	143	154	36	110	17	0	2	1,935	20	8.50	2.04	4.16	0.67	23.7	5.7	1.07	.282	2.86	63	3.02	73	7.56	60.8
4	Clayton Kershaw C. Kershaw	2.67	78	41	18	.695	78	480	0	0	0	438.0	340	130	144	52	92	9	0	0	1,725	13	9.86	1.89	5.22	1.07	27.8	5.3	0.99	.264	2.96	65	3.22	75	6.99	51.6
5	Brandon Woodruff B. Woodruff	2.76	81	30	20	.600	81	566	2	1	0	473.1	347	145	153	54	118	19	0	0	1,874	5	10.76	2.24	4.80	1.03	30.2	6.3	0.98	.262	2.91	66	3.12	74	6.60	58.8
6	Corbin Burnes C. Burnes	2.86	105	37	22	.627	102	765	0	0	0	622.1	445	198	212	54	175	30	2	0	2,478	30	11.06	2.53	4.37	0.78	30.9	7.1	1.00	.269	3.07	68	2.83	67	6.44	98
7	Walker Buehler W. Buehler	2.91	53	23	7	.767	53	312	1	1	0	309.1	240	100	109	34	80	9	0	2	1,236	10	9.08	2.33	3.90	0.99	25.2	6.5	1.03	.257	3.17	72	3.43	81	6.98	28
8	Max Scherzer M. Scherzer	2.94	92	43	19	.694	92	675	2	0	0	544.2	423	178	187	74	128	26	0	1	2,174	11	11.15	2.12	5.27	1.22	31.0	5.9	1.01	.275	3.09	71	3.31	78	6.99	56
9	Kwang-Hyun Kim K. Kim	2.97	35	10	7	.588	28	104	0	0	2	145.2	126	48	55	15	51	4	3	4	606	5	6.43	3.15	2.04	0.93	17.2	8.4	1.22	.257	3.40	72	4.21	100	7.78	-0.4
10	Drew Rasmussen D. Rasmussen	2.97	83	20	10	.667	46	266	0	0	1	282.0	231	93	101	23	76	4	12	2	1,139	16	8.49	2.43	3.50	0.73	23.4	6.7	1.09	.270	3.22	76	3.17	80	7.37	25.6
11	Shohei Ohtani S. Ohtani	2.97	76	34	17	.667	76	545	1	1	0	430.0	310	142	150	47	151	23	0	2	1,740	37	11.41	3.16	3.61	0.98	31.3	8.7	1.07	.270	3.14	70	3.27	76	6.49	46.1
12	Kodai Senga K. Senga	2.98	29	12	7	.632	29	202	0	0	0	166.1	126	55	60	17	77	5	0	0	694	14	10.93	4.17	2.62	0.92	29.1	11.1	1.22	.277	3.25	71	3.63	84	6.82	13
13	Shane Bieber S. Bieber	2.98	80	34	19	.642	80	561	2	0	0	502.0	426	166	177	50	124	10	0	0	2,026	23	10.06	2.22	4.52	0.90	27.7	6.1	1.10	.294	3.17	73	3.03	74	7.64	60.9
14	Tanner Bibee T. Bibee	2.98	25	10	4	.714	25	141	0	0	0	142.0	122	47	49	13	45	5	0	0	585	7	8.94	2.85	3.13	0.82	24.1	7.7	1.18	.286	3.11	70	3.51	83	7.73	11.5
15	Shane McClanahan S. McClanahan	3.02	74	33	16	.673	74	456	0	0	0	404.2	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
16	Zack Wheeler Z. Wheeler	3.06	101	43	25	.632	101	675	3	2	0	629.1	529	214	232	52	135	31	0	4	2,531	8	9.65	1.93	5.00	0.74	26.7	5.3	1.06	.291	3.32	72	2.90	67	7.57	98.5
17	Gerrit Cole G. Cole	3.08	108	51	23	.689	108	816	6	4	0	664.0	515	227	241	91	156	13	0	0	2,628	13	11.06	2.11	5.23	1.23	31.1	5.9	1.01	.273	3.27	75	3.26	77	6.98	72.9
18	Julio Urías J. Urías	3.09	95	51	18	.739	94	523	0	0	0	533.0	435	183	199	71	121	18	0	3	2,140	6	8.83	2.04	4.32	1.20	24.4	5.7	1.04	.259	3.36	75	3.72	87	7.35	31.8
19	Joe Musgrove J. Musgrove	3.12	87	32	24	.571	86	539	2	2	0	499.1	419	173	187	59	133	43	1	5	2,053	10	9.71	2.40	4.05	1.06	26.3	6.5	1.11	.281	3.37	78	3.60	87	7.55	31.1
20	Sandy Alcantara S. Alcantara	3.13	100	33	38	.465	100	598	10	2	0	661.0	556	230	265	63	163	25	0	3	2,657	14	8.14	2.22	3.67	0.86	22.5	6.1	1.09	.273	3.61	74	3.45	83	7.57	51.3
21	Kevin Gausman K. Gausman	3.15	107	41	28	.594	105	748	0	0	0	611.1	551	214	236	62	149	8	1	1	2,508	16	11.01	2.19	5.02	0.91	29.8	5.9	1.15	.317	3.47	78	2.82	68	8.11	90.1
22	Eury Pérez E. Pérez	3.15	19	5	6	.455	19	108	0	0	0	91.1	72	32	35	15	31	2	0	0	374	6	10.64	3.05	3.48	1.48	28.9	8.3	1.13	.261	3.45	71	4.11	94	7.09	2.7
23	Lance McCullers Jr. L. McCullers Jr.	3.16	47	20	10	.667	47	291	0	0	0	265.0	203	93	100	22	118	15	0	0	1,106	8	9.88	4.01	2.47	0.75	26.3	10.7	1.21	.274	3.40	74	3.54	84	6.89	19.6
24	Blake Snell B. Snell	3.16	94	33	27	.550	94	638	0	0	0	486.2	361	171	178	52	237	8	0	1	2,030	33	11.80	4.38	2.69	0.96	31.4	11.7	1.23	.282	3.29	79	3.46	82	6.68	39.5
25	Framber Valdez F. Valdez	3.19	95	45	26	.634	94	595	6	3	0	604.2	505	214	241	47	198	37	0	1	2,495	32	8.86	2.95	3.01	0.70	23.8	7.9	1.16	.283	3.59	77	3.38	82	7.52	51.3