highest era with 25 wins by a pitcher after 1920

Since 1921, Les Sweetland has the highest ERA when winning 25+ games, with an ERA of 6.10.

Interpreted as:

highest era with 25 or more wins by a pitcher after 1920

	NAME	ERA	W	L	W%	G	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	Les Sweetland L. Sweetland	6.10	33	58	.363	161	96	159	38	3	4	740.2	992	502	570	69	358	37	37		3,504	13	1.93	4.35	0.44	0.84	4.5	10.2	1.82	.320	6.93	131	5.55	118	12.05	-60.4
2	Kevin Jarvis K. Jarvis	6.03	34	49	.410	187	118	453	4	3	1	780.2	937	523	568	149	262	23	22	23	3,492	21	5.22	3.02	1.73	1.72	13.0	7.5	1.54	.302	6.55	138	5.50	124	10.80	-92.3
3	Claude Willoughby C. Willoughby	5.84	38	58	.396	219	101	175	33	4	9	841.1	1,111	546	631	57	406	18	60		3,940	22	1.87	4.34	0.43	0.61	4.4	10.3	1.80	.321	6.75	125	5.09	109	11.88	-30
4	Rob Bell R. Bell	5.71	34	37	.479	151	108	421	2	0	0	686.0	757	435	465	125	288	21	15	13	3,062	42	5.52	3.78	1.46	1.64	13.7	9.4	1.52	.286	6.10	124	5.55	121	9.93	-72.8
5	Bryan Rekar B. Rekar	5.62	25	49	.338	131	108	383	4	0	0	655.0	788	409	451	99	208	25	5	7	2,927	24	5.26	2.86	1.84	1.36	13.1	7.1	1.52	.311	6.20	116	4.97	107	10.83	-20.7
6	Russ Van Atta R. Van Atta	5.60	33	41	.446	207	76	339	17	3	6	712.1	838	443	498	39	368	10	66		3,291	16	4.28	4.65	0.92	0.49	10.3	11.2	1.69	.315	6.29	120	4.37	97	10.59	11.8
7	Todd Van Poppel T. Van Poppel	5.58	40	52	.435	359	98	711	2	1	4	907.0	944	562	587	143	461	22	84	21	4,049	47	7.06	4.57	1.54	1.42	17.6	11.4	1.55	.295	5.82	123	5.15	112	9.37	-57.9
8	Kyle Davies K. Davies	5.57	43	65	.398	152	144	547	3	0	0	770.1	879	477	512	99	367	22	3	13	3,488	42	6.39	4.29	1.49	1.16	15.7	10.5	1.62	.318	5.98	128	4.87	114	10.27	-52.5
9	Frankie Rodriguez F. Rodriguez	5.53	29	39	.426	184	82	371	3	0	5	654.0	737	402	444	76	282	21	31	17	2,914	29	5.11	3.88	1.32	1.05	12.7	9.7	1.56	.305	6.11	115	4.89	104	10.14	-14
10	Runelvys Hernandez R. Hernandez	5.50	25	36	.410	82	82	246	1	1	0	454.2	515	278	294	61	188	20	0	1	2,025	11	4.87	3.72	1.31	1.21	12.1	9.3	1.55	.301	5.82	121	5.07	115	10.19	-32.6
11	Pat Mahomes P. Mahomes	5.47	42	39	.519	308	63	452	0	0	5	709.0	738	431	461	116	392	11	74	25	3,163	29	5.74	4.98	1.15	1.47	14.3	12.4	1.59	.284	5.85	119	5.62	124	9.37	-86.7
12	Mike Oquist M. Oquist	5.46	25	31	.446	133	79	351	1	0	0	555.0	623	337	348	73	243	21	13	19	2,492	14	5.69	3.94	1.44	1.18	14.1	9.8	1.56	.305	5.64	118	4.99	108	10.10	-22.8
13	Seth McClung S. McClung	5.46	26	34	.433	177	51	314	0	0	6	430.1	425	261	275	61	254	22	44	11	1,941	23	6.57	5.31	1.24	1.28	16.2	13.1	1.58	.282	5.75	126	5.39	123	8.89	-48.9
14	Casey Fossum C. Fossum	5.45	40	53	.430	237	120	607	0	0	2	786.0	873	476	535	114	319	63	35	14	3,537	28	6.95	3.65	1.90	1.31	17.2	9.0	1.52	.312	6.13	122	4.86	110	10.00	-40.5
15	Jim Parque J. Parque	5.42	31	34	.477	103	97	335	2	0	0	544.1	650	328	366	78	241	31	0	4	2,492	5	5.54	3.98	1.39	1.29	13.4	9.7	1.64	.317	6.05	114	5.24	110	10.75	-26.4
16	Jimmy Anderson J. Anderson	5.42	25	47	.347	122	96	241	3	0	1	574.2	672	346	371	58	240	26	8	24	2,587	22	3.77	3.76	1.00	0.91	9.3	9.3	1.59	.304	5.81	124	4.91	112	10.52	-32.5
17	Jose Silva J. Silva	5.41	25	28	.472	154	53	298	2	0	4	427.1	507	257	285	47	154	13	32	16	1,915	14	6.28	3.24	1.94	0.99	15.6	8.0	1.55	.328	6.00	121	4.32	97	10.68	7.3
18	Jimmy Haynes J. Haynes	5.37	63	89	.414	227	203	762	2	1	1	1200.2	1,358	717	778	148	601	30	11	41	5,417	51	5.71	4.50	1.27	1.11	14.1	11.1	1.63	.312	5.83	119	4.99	109	10.18	-55.5
19	Roxie Lawson R. Lawson	5.37	47	39	.547	208	83	258	34	2	11	851.2	963	508	562	70	512	7	78		3,961	20	2.73	5.41	0.50	0.74	6.5	12.9	1.73	.287	5.94	113	5.34	115	10.18	-64.2
20	Brian Williams B. Williams	5.37	26	38	.406	256	59	397	2	1	6	595.1	655	355	401	62	332	32	67	20	2,735	41	6.00	5.02	1.20	0.94	14.5	12.1	1.66	.310	6.06	128	4.90	116	9.90	-45.3
21	Kevin Ritz K. Ritz	5.35	45	56	.446	151	130	462	4	0	2	753.1	848	448	485	69	377	30	10	25	3,416	46	5.52	4.50	1.23	0.82	13.5	11.0	1.63	.314	5.79	113	4.63	102	10.13	-5.5
22	Felipe Lira F. Lira	5.32	26	46	.361	163	79	348	4	3	1	577.1	656	341	372	84	222	28	22	17	2,592	22	5.42	3.46	1.57	1.31	13.4	8.6	1.52	.299	5.80	111	5.11	106	10.23	-17.2
23	Ryan Drese R. Drese	5.31	34	39	.466	105	96	301	4	0	0	565.2	673	334	363	49	213	31	3	12	2,528	20	4.79	3.39	1.41	0.78	11.9	8.4	1.57	.323	5.78	116	4.37	98	10.71	6.1
24	Jorge López J. López	5.31	30	43	.411	308	58	485	0	0	32	557.2	594	329	351	84	217	45	103	13	2,454	38	7.83	3.50	2.24	1.36	19.8	8.8	1.45	.314	5.66	122	4.80	111	9.59	-30.6
25	Scott Elarton S. Elarton	5.29	56	61	.479	232	170	698	4	1	3	1065.1	1,107	626	675	192	418	40	19	13	4,681	39	5.90	3.53	1.67	1.62	14.9	8.9	1.43	.275	5.70	116	5.41	121	9.35	-112.7