LaMarr Hoyt has the worst ERA by a Cy Young winner in a season, with an ERA of 3.66 in 1983.

Interpreted as:

worst era to win cy young award in a regular season by a player

	NAME	ERA	CY	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	LaMarr Hoyt L. Hoyt	3.66	1	1983	CWS	36	24	10	.706	36	148	11	1	0	260.2	236	106	115	27	31	1	0	4	1,034	1	5.11	1.07	4.77	0.93	14.3	3.0	1.02	.253	3.97	88	3.32	82	8.15	20.5
2	Rick Sutcliffe R. Sutcliffe	3.64	1	1984	TOT	35	20	6	.769	35	213	9	3	0	244.2	234	99	113	16	85	3	0	3	1,030	6	7.84	3.13	2.51	0.59	20.7	8.3	1.30	.306	4.16	92	2.95	75	8.61	24.4
3	Roger Clemens R. Clemens	3.51	1	2001	NYY	33	20	3	.870	33	213	0	0	0	220.1	205	86	94	19	72	5	0	1	918	14	8.70	2.94	2.96	0.78	23.2	7.8	1.26	.305	3.84	80	3.28	74	8.37	28.1
4	Bartolo Colon B. Colon	3.48	1	2005	LAA	33	21	8	.724	33	157	2	0	0	222.2	215	86	93	26	43	3	0	0	906	2	6.35	1.74	3.65	1.05	17.3	4.7	1.16	.279	3.76	82	3.74	88	8.69	12.3
5	Jack McDowell J. McDowell	3.37	1	1993	CWS	34	22	10	.688	34	158	10	4	0	256.2	261	96	104	20	69	3	0	6	1,067	8	5.54	2.42	2.29	0.70	14.8	6.5	1.29	.295	3.65	80	3.60	84	9.15	19.1
6	Pete Vuckovich P. Vuckovich	3.34	1	1982	MIL	30	18	6	.750	30	105	9	1	0	223.2	234	83	96	14	102	5	0	1	971	6	4.23	4.10	1.03	0.56	10.8	10.5	1.50	.295	3.86	87	4.02	102	9.42	-2.6
7	Roy Halladay R. Halladay	3.25	1	2003	TOR	36	22	7	.759	36	204	9	2	0	266.0	253	96	111	26	32	9	0	1	1,071	6	6.90	1.08	6.38	0.88	19.0	3.0	1.07	.284	3.76	70	3.22	71	8.56	38.6
8	Steve Stone S. Stone	3.23	1	1980	BAL	37	25	7	.781	37	149	9	1	0	250.2	224	90	103	22	101	6	0	3	1,048	7	5.35	3.63	1.48	0.79	14.2	9.6	1.30	.262	3.70	83	3.98	101	8.04	-1.1
9	Pat Hentgen P. Hentgen	3.22	1	1996	TOR	35	20	10	.667	35	177	10	3	0	265.2	238	95	105	20	94	5	0	3	1,100	8	6.00	3.18	1.88	0.68	16.1	8.5	1.25	.271	3.56	65	3.93	80	8.06	29.1
10	Whitey Ford W. Ford	3.21	1	1961	NYY	39	25	4	.862	39	209	11	3	0	283.0	242	101	108	23	92	1	0	3	1,159	8	6.65	2.93	2.27	0.73	18.0	7.9	1.18	.263	3.43	85	3.14	82	7.70	22.7
11	CC Sabathia	3.21	1	2007	CLE	34	19	7	.731	34	209	4	1	0	241.0	238	86	94	20	37	8	0	1	975	1	7.80	1.38	5.65	0.75	21.4	3.8	1.14	.311	3.51	73	3.13	72	8.89	32.9
12	Early Wynn E. Wynn	3.17	1	1959	CWS	37	22	10	.688	37	179	14	5	0	255.2	202	90	106	20	119	9	0	5	1,076	5	6.30	4.19	1.50	0.70	16.6	11.1	1.26	.243	3.73	84	3.66	95	7.11	5.5
13	Jim Lonborg J. Lonborg	3.16	1	1967	BOS	39	22	9	.710	39	246	15	2	0	273.1	228	96	102	23	83	19	0	5	1,130	12	8.10	2.73	2.96	0.76	21.8	7.3	1.14	.270	3.36	91	2.95	82	7.51	19.8
14	Rick Porcello R. Porcello	3.15	1	2016	BOS	33	22	4	.846	33	189	3	0	0	223.0	193	78	85	23	32	13	0	0	890	3	7.63	1.29	5.91	0.93	21.2	3.6	1.01	.269	3.43	71	3.39	81	7.79	20.1
15	Bob Gibson B. Gibson	3.12	1	1970	STL	34	23	7	.767	34	274	23	3	0	294.0	262	102	111	13	88	4	0	9	1,213	5	8.39	2.69	3.11	0.40	22.6	7.3	1.19	.299	3.40	76	2.28	59	8.02	51.7
16	Steve Carlton S. Carlton	3.10	1	1982	PHI	38	23	11	.676	38	286	19	6	0	295.2	253	102	114	17	86	1	0	5	1,193	9	8.71	2.62	3.33	0.52	24.0	7.2	1.15	.294	3.47	85	2.40	67	7.70	38.3
17	Brandon Webb B. Webb	3.10	1	2006	ARI	33	16	8	.667	33	178	5	3	0	235.0	216	81	91	15	50	6	0	4	950	5	6.82	1.91	3.56	0.57	18.7	5.3	1.13	.287	3.49	66	3.17	68	8.27	38.1
18	Mike Flanagan M. Flanagan	3.08	1	1979	BAL	39	23	9	.719	38	190	16	5	0	265.2	245	91	107	23	70	3	0	1	1,085	6	6.44	2.37	2.71	0.78	17.5	6.5	1.19	.278	3.62	77	3.24	79	8.30	25.6
19	Vern Law V. Law	3.08	1	1960	PIT	35	20	9	.690	35	120	18	3	0	271.2	266	93	104	25	40	4	0	8	1,091	2	3.98	1.33	3.00	0.83	11.0	3.7	1.13	.267	3.45	83	3.33	92	8.81	8.3
20	Don Newcombe D. Newcombe	3.06	1	1956	BKN	38	27	7	.794	36	139	18	5	0	268.0	219	91	101	33	46	3	2	8	1,052	4	4.67	1.54	3.02	1.11	13.2	4.4	0.99	.224	3.39	78	3.48	86	7.35	17.3
21	Jim Perry J. Perry	3.04	1	1970	MIN	40	24	12	.667	40	168	13	4	0	278.2	258	94	112	20	57	9	0	10	1,141	3	5.43	1.84	2.95	0.65	14.7	5.0	1.13	.268	3.62	79	3.07	76	8.33	29.6
22	Roger Clemens R. Clemens	2.98	1	2004	HOU	33	18	4	.818	33	218	0	0	0	214.1	169	71	76	15	79	6	0	5	878	5	9.15	3.32	2.76	0.63	24.8	9.0	1.16	.275	3.19	69	3.11	70	7.10	31.7
23	Roger Clemens R. Clemens	2.97	1	1987	BOS	36	20	9	.690	36	256	18	7	0	281.2	248	93	100	19	83	9	0	4	1,157	4	8.18	2.65	3.08	0.61	22.1	7.2	1.18	.290	3.20	65	2.90	66	7.92	46.6
24	Bob Turley B. Turley	2.97	1	1958	NYY	33	21	7	.750	31	168	19	6	1	245.1	178	81	82	24	128	8	1	2	1,013	6	6.16	4.70	1.31	0.88	16.6	12.6	1.25	.225	3.01	83	4.04	112	6.53	-13
25	Max Scherzer M. Scherzer	2.96	1	2016	WSH	34	20	7	.741	34	284	1	0	0	228.1	165	75	77	31	56	6	0	2	902	2	11.19	2.21	5.07	1.22	31.5	6.2	0.97	.255	3.04	70	3.23	78	6.50	22.7