Aaron Nola has the highest ERA this season, with an ERA of 6.16.

Interpreted as:

highest position player era with a minimum of 1 IP per team game this regular 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	Aaron Nola A. Nola	6.16	2025	PHI	9	1	7	.125	9	52	0	0	0	49.2	59	34	35	11	16	3	0	0	220	1	9.42	2.90	3.25	1.99	23.6	7.3	1.51	.348	6.34	149	5.03	122	10.69	-4.9
2	Kyle Freeland K. Freeland	5.68	2025	COL	10	0	6	.000	10	41	0	0	0	50.2	71	32	38	4	10	1	0	0	231	1	7.28	1.78	4.10	0.71	17.7	4.3	1.60	.383	6.75	122	3.15	74	12.61	5.9
3	Bowden Francis B. Francis	5.63	2025	TOR	9	2	6	.250	9	36	0	0	0	46.1	52	29	31	14	13	3	0	0	201	3	6.99	2.53	2.77	2.72	17.9	6.5	1.40	.281	6.02	143	6.50	159	10.10	-12.5
4	Dean Kremer D. Kremer	5.50	2025	BAL	10	3	5	.375	10	40	0	0	0	55.2	62	34	36	10	15	1	0	0	242	4	6.47	2.43	2.67	1.62	16.5	6.2	1.38	.295	5.82	141	4.85	121	10.02	-5.4
5	Shane Baz S. Baz	5.33	2025	TBR	9	3	3	.500	9	48	0	0	0	49.0	50	29	29	9	19	3	0	0	210	0	8.82	3.49	2.53	1.65	22.9	9.0	1.41	.313	5.33	140	4.87	123	9.18	-5.2
6	Zac Gallen Z. Gallen	5.14	2025	AZ	10	3	5	.375	10	59	0	0	0	56.0	52	32	32	10	25	1	0	0	243	1	9.48	4.02	2.36	1.61	24.3	10.3	1.38	.284	5.14	123	4.70	120	8.36	-5.1
7	Taj Bradley T. Bradley	4.80	2025	TBR	9	3	3	.500	9	41	0	0	0	50.2	46	27	27	7	22	2	0	0	213	0	7.28	3.91	1.86	1.24	19.2	10.3	1.34	.277	4.80	126	4.69	119	8.17	-4.3
8	Jack Kochanowicz J. Kochanowicz	4.71	2025	LAA	9	3	5	.375	9	29	0	0	0	49.2	51	26	27	7	22	3	0	2	211	1	5.26	3.99	1.32	1.27	13.7	10.4	1.47	.293	4.89	116	5.27	125	9.24	-5.7
9	Sean Burke S. Burke	4.69	2025	CWS	10	2	5	.286	9	33	0	0	0	48.0	46	25	30	9	27	4	0	0	218	2	6.19	5.06	1.22	1.69	15.1	12.4	1.52	.255	5.63	117	6.09	145	8.63	-9.7
10	Luis L. Ortiz L. L. Ortiz	4.66	2025	CLE	9	2	5	.286	9	56	0	0	0	48.1	44	25	26	7	23	0	0	0	211	0	10.43	4.28	2.43	1.30	26.5	10.9	1.39	.296	4.84	118	4.09	101	8.19	-0.3
11	Dylan Cease D. Cease	4.60	2025	SDP	9	1	2	.333	9	58	0	0	0	47.0	45	24	26	5	18	1	0	1	203	1	11.11	3.45	3.22	0.96	28.6	8.9	1.34	.331	4.98	116	3.22	81	8.62	4.1
12	Kevin Gausman K. Gausman	4.59	2025	TOR	9	3	4	.429	9	46	0	0	0	51.0	42	26	27	7	12	0	0	1	201	0	8.12	2.12	3.83	1.24	22.9	6.0	1.06	.257	4.76	117	3.78	93	7.41	1.7
13	Jameson Taillon J. Taillon	4.53	2025	CHC	9	2	3	.400	9	42	0	0	0	49.2	46	25	26	13	9	0	0	0	203	0	7.61	1.63	4.67	2.36	20.7	4.4	1.11	.237	4.71	113	5.35	135	8.34	-7.9
14	Max Meyer M. Meyer	4.47	2025	MIA	9	3	4	.429	9	59	0	0	0	50.1	51	25	27	8	16	2	0	0	216	0	10.55	2.86	3.69	1.43	27.3	7.4	1.33	.328	4.83	106	3.89	96	9.12	0.8
15	Justin Verlander J. Verlander	4.33	2025	SFG	10	0	3	.000	10	41	0	0	0	52.0	52	25	27	8	21	1	0	0	225	0	7.10	3.63	1.95	1.38	18.2	9.3	1.40	.286	4.67	108	4.79	124	9.00	-5.6
16	Mitchell Parker M. Parker	4.32	2025	WSH	9	3	3	.500	9	32	0	0	0	50.0	41	24	26	1	24	3	0	0	216	2	5.76	4.32	1.33	0.18	14.8	11.1	1.30	.256	4.68	106	3.69	91	7.38	2.1
17	Zack Littell Z. Littell	4.31	2025	TBR	9	3	5	.375	9	32	0	0	0	54.1	51	26	26	13	10	0	0	1	216	0	5.30	1.66	3.20	2.15	14.8	4.6	1.12	.236	4.31	113	5.58	141	8.45	-10.2
18	Luis Severino L. Severino	4.22	2025	ATH	10	1	4	.200	10	45	0	0	0	59.2	56	28	29	4	20	2	0	1	255	1	6.79	3.02	2.25	0.60	17.6	7.8	1.27	.283	4.37	106	3.56	87	8.45	3.4
19	José Berríos J. Berríos	4.19	2025	TOR	10	1	1	.500	10	53	0	0	0	58.0	58	27	27	9	25	3	0	1	250	1	8.22	3.88	2.12	1.40	21.2	10.0	1.43	.306	4.19	106	4.73	116	9.00	-4.2
20	Andre Pallante A. Pallante	4.11	2025	STL	9	4	2	.667	9	32	0	0	0	50.1	51	23	23	8	16	0	0	0	213	3	5.72	2.86	2.00	1.43	15.0	7.5	1.33	.274	4.11	101	4.84	122	9.12	-5.1
21	Ronel Blanco R. Blanco	4.10	2025	HOU	9	3	4	.429	9	48	0	0	0	48.1	37	22	22	7	20	0	0	0	199	0	8.94	3.72	2.40	1.30	24.1	10.1	1.18	.242	4.10	104	4.23	105	6.89	-1.1
22	Tanner Bibee T. Bibee	4.06	2025	CLE	9	3	4	.429	9	35	0	0	0	51.0	49	23	25	11	17	2	0	0	213	0	6.18	3.00	2.06	1.94	16.4	8.0	1.29	.257	4.41	103	5.64	140	8.65	-9.2
23	Sonny Gray S. Gray	4.02	2025	STL	10	5	1	.833	10	61	0	0	0	56.0	50	25	27	9	13	2	0	0	227	1	9.80	2.09	4.69	1.45	26.9	5.7	1.13	.289	4.34	99	3.81	96	8.04	0.9
24	Grant Holmes G. Holmes	4.01	2025	ATL	10	2	3	.400	9	49	0	0	0	51.2	36	23	23	10	25	1	1	0	212	2	8.54	4.35	1.96	1.74	23.1	11.8	1.18	.205	4.01	96	5.22	132	6.27	-7.5
25	Ryan Pepiot R. Pepiot	3.99	2025	TBR	10	2	5	.286	10	47	0	0	0	56.1	56	25	26	10	18	1	0	0	236	3	7.51	2.88	2.61	1.60	19.9	7.6	1.31	.288	4.15	105	4.74	120	8.95	-5.2