Rick Sutcliffe has the worst ERA- by a Cy Young winner in a season, with an ERA- of 92 in 1984.

Interpreted as:

highest era- for a cy young award in a regular season by a player

	NAME	ERA-	CY	SEASON	TM	G	W	L	W%	GS	ERA	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	FIP	FIP-	H/9	PRAA
1	Rick Sutcliffe R. Sutcliffe	92	1	1984	TOT	35	20	6	.769	35	3.64	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	2.95	75	8.61	24.4
2	Jim Lonborg J. Lonborg	91	1	1967	BOS	39	22	9	.710	39	3.16	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	2.95	82	7.51	19.8
3	LaMarr Hoyt L. Hoyt	88	1	1983	CWS	36	24	10	.706	36	3.66	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	3.32	82	8.15	20.5
4	Pete Vuckovich P. Vuckovich	87	1	1982	MIL	30	18	6	.750	30	3.34	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	4.02	102	9.42	-2.6
5	Whitey Ford W. Ford	85	1	1961	NYY	39	25	4	.862	39	3.21	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	3.14	82	7.70	22.7
6	Steve Carlton S. Carlton	85	1	1982	PHI	38	23	11	.676	38	3.10	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	2.40	67	7.70	38.3
7	Mike McCormick M. McCormick	84	1	1967	SFG	40	22	10	.688	35	2.85	150	14	5	0	262.1	220	83	88	25	81	5	3	18	1,073	9	5.15	2.78	1.85	0.86	14.0	7.5	1.15	.240	3.02	3.62	111	7.55	-10.5
8	Early Wynn E. Wynn	84	1	1959	CWS	37	22	10	.688	37	3.17	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	3.66	95	7.11	5.5
9	Randy Jones R. Jones	83	1	1976	SDP	40	22	14	.611	40	2.74	93	25	5	0	315.1	274	96	109	15	50	4	0	9	1,251	0	2.65	1.43	1.86	0.43	7.4	4.0	1.03	.238	3.11	3.17	94	7.82	7.1
10	Bob Turley B. Turley	83	1	1958	NYY	33	21	7	.750	31	2.97	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	4.04	112	6.53	-13
11	Vern Law V. Law	83	1	1960	PIT	35	20	9	.690	35	3.08	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	3.33	92	8.81	8.3
12	Steve Stone S. Stone	83	1	1980	BAL	37	25	7	.781	37	3.23	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	3.98	101	8.04	-1.1
13	Gaylord Perry G. Perry	82	1	1978	SDP	37	21	6	.778	37	2.73	154	5	2	0	260.2	241	79	96	9	66	2	0	8	1,055	4	5.32	2.28	2.33	0.31	14.6	6.3	1.18	.282	3.31	2.62	77	8.32	23.5
14	Bartolo Colon B. Colon	82	1	2005	LAA	33	21	8	.724	33	3.48	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	3.74	88	8.69	12.3
15	Jack McDowell J. McDowell	80	1	1993	CWS	34	22	10	.688	34	3.37	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	3.60	84	9.15	19.1
16	Roger Clemens R. Clemens	80	1	2001	NYY	33	20	3	.870	33	3.51	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	3.28	74	8.37	28.1
17	Bob Welch B. Welch	79	1	1990	OAK	35	27	6	.818	35	2.95	127	2	2	0	238.0	214	78	90	26	77	5	0	4	979	2	4.80	2.91	1.65	0.98	13.0	7.9	1.22	.253	3.40	4.19	110	8.09	-11.1
18	Jim Perry J. Perry	79	1	1970	MIN	40	24	12	.667	40	3.04	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	3.07	76	8.33	29.6
19	Don Drysdale D. Drysdale	78	1	1962	LAD	43	25	9	.735	41	2.83	232	19	2	1	314.1	272	99	122	21	78	11	2	12	1,289	8	6.64	2.23	2.97	0.60	18.0	6.1	1.11	.265	3.49	2.86	81	7.79	23.9
20	Don Newcombe D. Newcombe	78	1	1956	BKN	38	27	7	.794	36	3.06	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	3.48	86	7.35	17.3
21	Mike Flanagan M. Flanagan	77	1	1979	BAL	39	23	9	.719	38	3.08	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	3.24	79	8.30	25.6
22	Jim Palmer J. Palmer	77	1	1976	BAL	40	22	13	.629	40	2.51	159	23	6	0	315.0	255	88	101	20	84	8	0	5	1,256	5	4.54	2.40	1.89	0.57	12.7	6.7	1.08	.239	2.89	3.32	97	7.29	3.3
23	Denny McLain D. McLain	76	1	1969	DET	42	24	9	.727	41	2.80	181	23	9	0	325.0	288	101	105	25	67	4	0	7	1,304	5	5.01	1.86	2.70	0.69	13.9	5.1	1.09	.256	2.91	3.04	80	7.98	27.4
24	Bob Gibson B. Gibson	76	1	1970	STL	34	23	7	.767	34	3.12	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	2.28	59	8.02	51.7
25	Warren Spahn W. Spahn	75	1	1957	MIL	39	21	11	.656	35	2.69	111	18	4	3	271.0	241	81	94	23	78	2	4	4	1,111	2	3.69	2.59	1.42	0.76	10.0	7.0	1.18	.243	3.12	3.63	103	8.00	-4.8