worst era by a starting pitcher this season with at least 63 innings pitched

Antonio Senzatela had the highest ERA by a starting pitcher with 63.0+ innings pitched in 2025, with an ERA of 7.42.

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	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	H/9
1	Antonio Senzatela A. Senzatela	7.42	108.0	2025	COL	23	4	15	.211	23	59	0	0	0	168	89	96	19	38	7	0	2	519	7	4.92	3.17	1.55	1.58	11.4	7.3	1.91	.376	8.00	14.00
2	Jack Kochanowicz J. Kochanowicz	6.81	111.0	2025	LAA	23	3	11	.214	23	72	0	0	0	136	84	89	21	58	7	0	4	512	4	5.84	4.70	1.24	1.70	14.1	11.3	1.75	.325	7.22	11.03
3	Germán Márquez G. Márquez	6.70	126.1	2025	COL	26	3	16	.158	26	83	0	0	0	168	94	106	23	48	6	0	1	591	6	5.91	3.42	1.73	1.64	14.0	8.1	1.71	.336	7.55	11.97
4	Chase Dollander C. Dollander	6.52	98.0	2025	COL	21	2	12	.143	21	82	0	0	0	103	71	76	18	49	6	0	0	441	2	7.53	4.50	1.67	1.65	18.6	11.1	1.55	.297	6.98	9.46
5	Tanner Gordon T. Gordon	6.33	75.1	2025	COL	15	6	8	.429	15	62	0	0	0	96	53	60	16	17	3	0	0	337	1	7.41	2.03	3.65	1.91	18.4	5.0	1.50	.335	7.17	11.47
6	Ben Brown B. Brown	6.30	75.2	2025	CHC	15	5	5	.500	15	81	0	0	0	92	53	53	14	23	4	0	0	341	1	9.63	2.74	3.52	1.67	23.8	6.7	1.52	.356	6.30	10.94
7	Ryan Gusto R. Gusto	6.28	81.2	2025	TOT	17	6	7	.462	17	78	0	0	0	94	57	57	14	28	5	0	0	365	0	8.60	3.09	2.79	1.54	21.4	7.7	1.49	.333	6.28	10.36
8	Trevor Williams T. Williams	6.21	82.2	2025	WSH	17	3	10	.231	17	65	0	0	0	106	57	59	11	21	2	0	0	373	1	7.08	2.29	3.10	1.20	17.4	5.6	1.54	.347	6.42	11.54
9	Charlie Morton C. Morton	6.09	125.2	2025	TOT	27	9	10	.474	27	132	0	0	0	139	85	86	20	64	14	0	2	584	3	9.45	4.58	2.06	1.43	22.6	11.0	1.62	.336	6.16	9.95
10	Bowden Francis B. Francis	6.05	64.0	2025	TOR	14	2	8	.200	14	54	0	0	0	71	43	46	19	27	6	0	0	288	3	7.59	3.80	2.00	2.67	18.8	9.4	1.53	.286	6.47	9.98
11	Cal Quantrill C. Quantrill	6.04	117.2	2025	TOT	26	4	12	.250	26	85	0	0	0	136	79	81	22	35	5	0	0	513	3	6.50	2.68	2.43	1.68	16.6	6.8	1.45	.311	6.20	10.40
12	Aaron Nola A. Nola	6.01	94.1	2025	PHI	17	5	10	.333	17	97	0	0	0	99	63	65	18	28	4	0	0	404	1	9.25	2.67	3.46	1.72	24.0	6.9	1.35	.315	6.20	9.45
13	Zach Eflin Z. Eflin	5.93	71.1	2025	BAL	14	6	5	.545	14	50	0	0	0	88	47	48	18	13	2	0	0	309	1	6.31	1.64	3.85	2.27	16.2	4.2	1.42	.310	6.06	11.10
14	Jonathan Cannon J. Cannon	5.90	82.1	2025	CWS	17	3	9	.250	17	65	0	0	0	95	54	56	17	33	5	0	1	376	2	7.11	3.61	1.97	1.86	17.3	8.8	1.55	.305	6.12	10.38
15	Mitchell Parker M. Parker	5.85	158.1	2025	WSH	30	8	16	.333	30	101	0	0	0	175	103	115	25	57	4	0	0	702	2	5.74	3.24	1.77	1.42	14.4	8.1	1.47	.291	6.54	9.95
16	Kumar Rocker K. Rocker	5.74	64.1	2025	TEX	14	4	5	.444	14	56	0	0	0	71	41	42	11	23	4	0	0	287	6	7.83	3.22	2.43	1.54	19.5	8.0	1.46	.311	5.88	9.93
17	Jake Irvin J. Irvin	5.70	180.0	2025	WSH	33	9	13	.409	33	124	0	0	0	195	114	120	38	62	6	0	0	787	3	6.20	3.10	2.00	1.90	15.8	7.9	1.43	.282	6.00	9.75
18	Bryce Miller B. Miller	5.68	90.1	2025	SEA	18	4	6	.400	18	74	0	0	0	93	57	57	17	34	3	0	0	392	2	7.37	3.39	2.18	1.69	18.9	8.7	1.41	.288	5.68	9.27
19	Zebby Matthews Z. Matthews	5.56	79.1	2025	MIN	16	5	6	.455	16	88	0	0	0	94	49	50	12	24	0	0	0	354	2	9.98	2.72	3.67	1.36	24.9	6.8	1.49	.357	5.67	10.66
20	Erick Fedde E. Fedde	5.52	120.2	2025	TOT	24	4	12	.250	24	75	1	1	0	125	74	77	16	58	3	0	1	532	2	5.59	4.33	1.29	1.19	14.1	10.9	1.52	.287	5.74	9.32
21	Colton Gordon C. Gordon	5.40	70.0	2025	HOU	14	4	4	.500	14	61	0	0	0	89	42	44	17	13	2	0	2	311	3	7.84	1.67	4.69	2.19	19.6	4.2	1.46	.330	5.66	11.44
22	Cade Povich C. Povich	5.38	103.2	2025	BAL	20	2	8	.200	20	104	0	0	0	117	62	67	17	39	1	0	2	451	4	9.03	3.39	2.67	1.48	23.1	8.6	1.50	.345	5.82	10.16
23	Yu Darvish Y. Darvish	5.38	72.0	2025	SDP	15	5	5	.500	15	68	0	0	0	66	43	44	14	19	6	0	0	296	4	8.50	2.38	3.58	1.75	23.0	6.4	1.18	.275	5.50	8.25
24	Sandy Alcantara S. Alcantara	5.36	174.2	2025	MIA	31	11	12	.478	31	142	0	0	0	165	104	107	22	57	9	0	0	745	8	7.32	2.94	2.49	1.13	19.1	7.7	1.27	.278	5.51	8.50
25	Andre Pallante A. Pallante	5.31	162.2	2025	STL	31	6	15	.286	31	111	0	0	0	173	96	109	21	62	5	0	0	715	12	6.14	3.43	1.79	1.16	15.5	8.7	1.44	.295	6.03	9.57