Patrick Corbin had the highest ERA in 2024, with an ERA of 5.62.

Interpreted as:

highest era with a minimum of 1 IP per team game by a player + this season

	NAME	ERA	SEASON	TM	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	Patrick Corbin P. Corbin	5.62	2024	WSH	32	6	13	.316	32	139	0	0	0	174.2	208	109	114	25	54	3	0	1	764	3	7.16	2.78	2.57	1.29	18.2	7.1	1.50	.337	5.87	137	4.41	108	10.72	-5.9
2	Miles Mikolas M. Mikolas	5.35	2024	STL	32	10	11	.476	32	122	0	0	0	171.2	194	102	106	26	25	5	0	0	720	0	6.40	1.31	4.88	1.36	16.9	3.5	1.28	.310	5.56	132	4.23	106	10.17	-5.1
3	Griffin Canning G. Canning	5.19	2024	LAA	32	6	13	.316	31	130	0	0	0	171.2	174	99	105	31	66	6	1	1	739	6	6.82	3.46	1.97	1.63	17.6	8.9	1.40	.283	5.50	127	5.25	125	9.12	-19.1
4	Austin Gomber A. Gomber	4.75	2024	COL	30	5	12	.294	30	116	0	0	0	165.0	178	87	89	30	38	1	0	0	696	3	6.33	2.07	3.05	1.64	16.7	5.5	1.31	.290	4.85	102	4.83	113	9.71	-9.6
5	Brandon Pfaadt B. Pfaadt	4.71	2024	ARI	32	11	10	.524	32	185	0	0	0	181.2	183	95	103	24	42	4	0	1	760	1	9.17	2.08	4.40	1.19	24.3	5.5	1.24	.315	5.10	113	3.60	91	9.07	6.7
6	Ryan Feltner R. Feltner	4.49	2024	COL	30	3	10	.231	30	138	0	0	0	162.1	165	81	94	20	52	7	0	0	692	4	7.65	2.88	2.65	1.11	19.9	7.5	1.34	.305	5.21	96	4.15	97	9.15	2.2
7	Brayan Bello B. Bello	4.49	2024	BOS	30	14	8	.636	30	153	0	0	0	162.1	157	81	84	19	64	11	0	0	702	6	8.48	3.55	2.39	1.05	21.8	9.1	1.36	.303	4.66	106	4.18	101	8.70	-0.9
8	Jake Irvin J. Irvin	4.41	2024	WSH	33	10	14	.417	33	156	0	0	0	187.2	173	92	97	29	52	4	0	1	769	5	7.48	2.49	3.00	1.39	20.3	6.8	1.20	.273	4.65	108	4.40	107	8.30	-6.2
9	JP Sears	4.38	2024	OAK	32	11	13	.458	32	137	0	0	0	180.2	172	88	93	28	49	14	0	0	758	0	6.82	2.44	2.80	1.39	18.1	6.5	1.22	.272	4.63	114	4.70	119	8.57	-15.5
10	Kutter Crawford K. Crawford	4.36	2024	BOS	33	9	16	.360	33	175	0	0	0	183.2	155	89	97	34	51	9	0	0	759	4	8.58	2.50	3.43	1.67	23.1	6.7	1.12	.247	4.75	103	4.64	112	7.60	-10.3
11	Colin Rea C. Rea	4.29	2024	MIL	32	12	6	.667	27	135	0	0	1	167.2	169	80	83	29	43	10	1	1	714	2	7.25	2.31	3.14	1.56	18.9	6.0	1.26	.282	4.46	104	4.75	116	9.07	-11.9
12	Mitch Keller M. Keller	4.25	2024	PIT	31	11	12	.478	31	166	1	0	0	178.0	182	84	90	23	50	15	0	0	773	1	8.39	2.53	3.32	1.16	21.5	6.5	1.30	.306	4.55	101	4.07	100	9.20	-0.2
13	Kyle Gibson K. Gibson	4.24	2024	STL	30	8	8	.500	30	151	0	0	0	169.2	161	80	91	23	68	4	0	1	722	5	8.01	3.61	2.22	1.22	20.9	9.4	1.35	.290	4.83	105	4.41	111	8.54	-8.6
14	Charlie Morton C. Morton	4.19	2024	ATL	30	8	10	.444	30	167	0	0	0	165.1	154	77	85	23	65	18	0	1	701	2	9.09	3.54	2.57	1.25	23.8	9.3	1.32	.306	4.63	100	4.45	112	8.38	-9.1
15	Chris Bassitt C. Bassitt	4.16	2024	TOR	31	10	14	.417	31	168	0	0	0	171.0	180	79	91	18	70	16	0	2	758	2	8.84	3.68	2.40	0.95	22.2	9.2	1.46	.333	4.79	105	4.07	100	9.47	0.3
16	Pablo López P. López	4.08	2024	MIN	32	15	10	.600	32	198	0	0	0	185.1	180	84	90	26	41	8	0	0	772	3	9.62	1.99	4.83	1.26	25.6	5.3	1.19	.309	4.37	102	3.64	89	8.74	9.2
17	Yusei Kikuchi Y. Kikuchi	4.05	2024	TOT	32	9	10	.474	32	206	0	0	0	175.2	167	79	85	25	44	2	0	0	736	4	10.55	2.25	4.68	1.28	28.0	6.0	1.20	.309	4.35	102	3.45	85	8.56	12.2
18	Bailey Ober B. Ober	3.98	2024	MIN	31	12	9	.571	31	191	1	0	0	178.2	136	79	81	27	43	6	0	0	709	1	9.62	2.17	4.44	1.36	26.9	6.1	1.00	.247	4.08	99	3.81	93	6.85	5.5
19	Carlos Rodón C. Rodón	3.96	2024	NYY	32	16	9	.640	32	195	0	0	0	175.0	157	77	81	31	57	10	0	0	736	3	10.03	2.93	3.42	1.59	26.5	7.7	1.22	.284	4.17	99	4.38	104	8.07	-3
20	Luis Severino L. Severino	3.91	2024	NYM	31	11	7	.611	31	161	1	1	0	182.0	166	79	86	23	60	11	0	0	761	6	7.96	2.97	2.68	1.14	21.2	7.9	1.24	.283	4.25	99	4.20	105	8.21	-3.9
21	MacKenzie Gore M. Gore	3.90	2024	WSH	32	10	12	.455	32	181	0	0	0	166.1	171	72	93	15	65	11	0	0	731	14	9.79	3.52	2.78	0.81	24.8	8.9	1.42	.340	5.03	95	3.53	86	9.25	10.5
22	Sonny Gray S. Gray	3.84	2024	STL	28	12	9	.571	28	203	0	0	0	166.1	142	71	79	21	39	3	0	0	671	7	10.98	2.11	5.21	1.14	30.3	5.8	1.09	.299	4.27	95	3.12	78	7.68	16
23	Kevin Gausman K. Gausman	3.83	2024	TOR	31	14	11	.560	31	162	2	1	0	181.0	165	77	86	20	56	2	0	0	756	3	8.06	2.78	2.89	0.99	21.4	7.4	1.22	.281	4.28	96	3.77	92	8.20	6.4
24	Tyler Anderson T. Anderson	3.81	2024	LAA	31	10	15	.400	31	142	0	0	0	179.1	158	76	83	24	73	7	0	2	765	3	7.13	3.66	1.95	1.20	18.6	9.5	1.29	.258	4.17	93	4.65	111	7.93	-8.4
25	Nathan Eovaldi N. Eovaldi	3.80	2024	TEX	29	12	8	.600	29	166	0	0	0	170.2	147	72	74	23	42	7	0	0	696	3	8.75	2.21	3.95	1.21	23.9	6.0	1.11	.271	3.90	95	3.83	92	7.75	6.5