pitchers in mlb since 1980 with a season under 2.5 era over 20 wins

Steve Carlton had an ERA of 2.34 when winning >20 games in 1980.

	NAME	ERA	W	SEASON	TM	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	Steve Carlton S. Carlton	2.34	24	1980	PHI	9	.727	38	38	286	13	3	0	304.0	243	79	87	15	90	2	0	12	1,228	17	8.47	2.66	3.18	0.44	23.3	7.3	1.10	.273	2.58	64	2.41	66	7.19	42.3
2	Dwight Gooden D. Gooden	1.53	24	1985	NYM	4	.857	35	35	268	16	8	0	276.2	198	47	51	13	69	2	0	4	1,065	6	8.72	2.24	3.88	0.42	25.2	6.5	0.97	.259	1.66	44	2.12	59	6.44	45.6
3	John Tudor J. Tudor	1.93	21	1985	STL	8	.724	36	36	169	14	10	0	275.0	209	59	68	14	49	5	0	4	1,062	4	5.53	1.60	3.45	0.46	15.9	4.6	0.94	.236	2.23	55	2.70	76	6.84	26.3
4	Roger Clemens R. Clemens	2.48	24	1986	BOS	4	.857	33	33	238	10	1	0	254.0	179	70	77	21	67	4	0	0	997	11	8.43	2.37	3.55	0.74	23.9	6.7	0.97	.237	2.73	58	2.80	69	6.34	36.3
5	Orel Hershiser O. Hershiser	2.26	23	1988	LAD	8	.742	35	34	178	15	8	1	267.0	208	67	73	18	73	4	1	10	1,068	6	6.00	2.46	2.44	0.61	16.7	6.8	1.05	.239	2.46	68	3.17	93	7.01	6.7
6	Bret Saberhagen B. Saberhagen	2.16	23	1989	KCR	6	.793	36	35	193	12	4	0	262.1	209	63	74	13	43	2	0	6	1,021	8	6.62	1.48	4.49	0.45	18.9	4.2	0.96	.255	2.54	56	2.44	66	7.17	36.9
7	Roger Clemens R. Clemens	1.93	21	1990	BOS	6	.778	31	31	209	7	4	0	228.1	193	49	59	7	54	7	0	3	920	8	8.24	2.13	3.87	0.28	22.7	5.9	1.08	.289	2.33	47	2.17	55	7.61	44.8
8	Roger Clemens R. Clemens	2.05	21	1997	TOR	7	.750	34	34	292	9	3	0	264.0	204	60	65	9	68	12	0	1	1,044	4	9.95	2.32	4.29	0.31	28.0	6.5	1.03	.294	2.22	45	2.24	50	6.95	66.3
9	Pedro Martinez P. Martinez	2.07	23	1999	BOS	4	.852	31	29	313	5	1	0	213.1	160	49	56	9	37	9	1	1	835	6	13.20	1.56	8.46	0.38	37.5	4.4	0.92	.323	2.36	42	1.38	30	6.75	79.4
10	Randy Johnson R. Johnson	2.49	21	2001	ARI	6	.778	35	34	372	3	2	0	249.2	181	69	74	19	71	18	1	2	994	8	13.41	2.56	5.24	0.68	37.4	7.1	1.01	.315	2.67	55	2.12	48	6.52	63.9
11	Randy Johnson R. Johnson	2.32	24	2002	ARI	5	.828	35	35	334	8	4	0	260.0	197	67	78	26	71	13	0	1	1,035	3	11.56	2.46	4.70	0.90	32.3	6.9	1.03	.289	2.70	54	2.65	61	6.82	47
12	Roy Halladay R. Halladay	2.44	21	2010	PHI	10	.677	33	33	219	9	4	0	250.2	231	68	74	24	30	6	0	1	993	5	7.86	1.08	7.30	0.86	22.1	3.0	1.04	.290	2.66	61	3.00	75	8.29	27.6
13	Clayton Kershaw C. Kershaw	2.28	21	2011	LAD	5	.808	33	33	248	5	2	0	233.1	174	59	66	15	54	3	0	2	912	5	9.57	2.08	4.59	0.58	27.2	5.9	0.98	.269	2.55	63	2.46	65	6.71	35.1
14	Justin Verlander J. Verlander	2.40	24	2011	DET	5	.828	34	34	250	4	2	0	251.0	174	67	73	24	57	3	0	0	969	7	8.96	2.04	4.39	0.86	25.8	5.9	0.92	.236	2.62	58	2.99	74	6.24	29.4
15	Clayton Kershaw C. Kershaw	1.77	21	2014	LAD	3	.875	27	27	239	6	2	0	198.1	139	39	42	9	31	2	0	0	749	7	10.85	1.41	7.71	0.41	31.9	4.1	0.86	.278	1.91	51	1.81	50	6.31	40.5
16	Jake Arrieta J. Arrieta	1.77	22	2015	CHC	6	.786	33	33	236	4	3	0	229.0	150	45	52	10	48	6	0	2	870	6	9.28	1.89	4.92	0.39	27.1	5.5	0.86	.246	2.04	45	2.34	60	5.90	39
17	Blake Snell B. Snell	1.89	21	2018	TBR	5	.808	31	31	221	0	0	0	180.2	112	38	41	16	64	1	0	2	700	13	11.01	3.19	3.45	0.80	31.6	9.1	0.97	.241	2.04	46	2.94	72	5.58	23.1