worst era by a starting pitcher this season

Chase Petty has the highest ERA by a starting pitcher this season, with an ERA of 34.71.

	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	H/9
1	Chase Petty C. Petty	34.71	2025	CIN	1	0	1	.000	1	3	0	0	0	2.1	7	9	9	2	2	0	0	0	16	0	11.57	7.71	1.50	7.71	18.8	12.5	3.86	.556	34.71	27.00
2	Kyle Gibson K. Gibson	22.09	2025	BAL	1	0	1	.000	1	2	0	0	0	3.2	11	9	9	5	2	0	0	0	24	0	4.91	4.91	1.00	12.27	8.3	8.3	3.55	.400	22.09	27.00
3	Yariel Rodríguez Y. Rodríguez	18.00	2025	TOR	1	0	0		1	1	0	0	0	1.0	2	2	2	1	2	0	0	0	6	1	9.00	18.00	0.50	9.00	16.7	33.3	4.00	.500	18.00	18.00
4	Doug Nikhazy D. Nikhazy	18.00	2025	CLE	1	0	1	.000	1	3	0	0	0	3.0	5	6	6	0	6	0	0	0	20	1	9.00	18.00	0.50	0.00	15.0	30.0	3.67	.455	18.00	15.00
5	Bobby Miller B. Miller	18.00	2025	LAD	1	0	0		1	7	0	0	0	3.0	8	6	6	2	1	0	0	0	18	0	21.00	3.00	7.00	6.00	38.9	5.6	3.00	.750	18.00	24.00
6	Joey Estes J. Estes	15.43	2025	ATH	2	0	2	.000	2	5	0	0	0	7.0	15	12	12	4	6	1	0	0	42	0	6.43	7.71	0.83	5.14	11.9	14.3	3.00	.423	15.43	19.29
7	Aaron Civale A. Civale	15.00	2025	MIL	1	0	1	.000	1	2	0	0	0	3.0	4	5	5	3	1	0	0	1	14	0	6.00	3.00	2.00	9.00	14.3	7.1	1.67	.125	15.00	12.00
8	Justin Wrobleski J. Wrobleski	14.40	2025	LAD	1	0	1	.000	1	4	0	0	0	5.0	8	8	8	2	3	0	0	0	26	0	7.20	5.40	1.33	3.60	15.4	11.5	2.20	.353	14.40	14.40
9	Bradley Blalock B. Blalock	13.50	2025	COL	1	0	1	.000	1	1	0	0	0	4.0	7	6	6	0	2	0	0	0	20	1	2.25	4.50	0.50	0.00	5.0	10.0	2.25	.412	13.50	15.75
10	Thomas Harrington T. Harrington	13.50	2025	PIT	1	0	1	.000	1	2	0	0	0	4.0	7	6	6	1	4	0	0	0	23	1	4.50	9.00	0.50	2.25	8.7	17.4	2.75	.375	13.50	15.75
11	Marcus Stroman M. Stroman	11.57	2025	NYY	3	0	1	.000	3	7	0	0	0	9.1	12	12	12	2	7	0	0	0	47	0	6.75	6.75	1.00	1.93	14.9	14.9	2.04	.323	11.57	11.57
12	Elvin Rodríguez E. Rodríguez	11.00	2025	MIL	2	0	2	.000	2	5	0	0	0	9.0	14	11	11	5	2	1	0	0	42	0	5.00	2.00	2.50	5.00	11.9	4.8	1.78	.310	11.00	14.00
13	Charlie Morton C. Morton	10.89	2025	BAL	5	0	5	.000	5	21	0	0	0	20.2	31	25	25	5	15	1	0	0	108	0	9.15	6.53	1.40	2.18	19.4	13.9	2.23	.394	10.89	13.50
14	Jacob Lopez J. Lopez	10.13	2025	ATH	1	0	1	.000	1	4	0	0	0	2.2	6	3	3	0	4	1	0	0	18	0	13.50	13.50	1.00	0.00	22.2	22.2	3.75	.667	10.13	20.25
15	Germán Márquez G. Márquez	9.82	2025	COL	6	0	5	.000	6	15	0	0	0	25.2	41	28	30	2	12	2	0	0	127	2	5.26	4.21	1.25	0.70	11.8	9.4	2.06	.406	10.52	14.38
16	Landon Knack L. Knack	9.45	2025	LAD	2	0	0		2	4	0	0	0	6.2	8	7	7	1	6	0	0	0	34	1	5.40	8.10	0.67	1.35	11.8	17.6	2.10	.304	9.45	10.80
17	Brandon Eisert B. Eisert	9.00	2025	CWS	1	0	0		1	0	0	0	0	1.0	2	1	1	0	0	0	0	0	5	0	0.00	0.00		0.00	0.0	0.0	2.00	.400	9.00	18.00
18	Justin Topa J. Topa	9.00	2025	MIN	1	0	0		1	1	0	0	0	1.0	3	1	1	0	0	0	0	0	6	0	9.00	0.00		0.00	16.7	0.0	3.00	.600	9.00	27.00
19	Nestor Cortes N. Cortes	9.00	2025	MIL	2	1	1	.500	2	8	0	0	0	8.0	7	8	8	5	7	0	0	0	38	0	9.00	7.88	1.14	5.63	21.1	18.4	1.75	.111	9.00	7.88
20	Connor Gillispie C. Gillispie	8.65	2025	MIA	6	0	3	.000	6	23	0	0	0	26.0	32	25	26	6	11	1	0	0	123	1	7.96	3.81	2.09	2.08	18.7	8.9	1.65	.317	9.00	11.08
21	Sandy Alcantara S. Alcantara	8.31	2025	MIA	6	2	3	.400	6	19	0	0	0	26.0	26	24	24	4	17	0	0	0	120	4	6.58	5.88	1.12	1.38	15.8	14.2	1.65	.275	8.31	9.00
22	Cal Quantrill C. Quantrill	8.10	2025	MIA	6	2	3	.400	6	16	0	0	0	26.2	38	24	24	5	10	1	0	0	122	1	5.40	3.38	1.60	1.69	13.1	8.2	1.80	.367	8.10	12.83
23	Kumar Rocker K. Rocker	8.10	2025	TEX	5	1	3	.250	5	16	0	0	0	20.0	30	18	19	3	5	1	0	0	95	3	7.20	2.25	3.20	1.35	16.8	5.3	1.75	.386	8.55	13.50
24	Luis F. Castillo L. F. Castillo	7.71	2025	SEA	2	0	0		2	5	0	0	0	7.0	12	6	7	0	7	0	0	0	41	0	6.43	9.00	0.71	0.00	12.2	17.1	2.71	.414	9.00	15.43
25	Easton Lucas E. Lucas	7.41	2025	TOR	4	2	2	.500	4	19	0	0	0	17.0	17	14	14	5	9	0	0	0	75	1	10.06	4.76	2.11	2.65	25.3	12.0	1.53	.286	7.41	9.00