most best era seasons by a single player

Nolan Ryan had an ERA of 3.19 in his career.

Interpreted as:

most best era with a minimum of 1500 IP seasons by a single player

	NAME	ERA	IP	SEAS	G	W	L	W%	GS	SO	CG	SHO	SV	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	Nolan Ryan N. Ryan	3.19	5386.0	27	807	324	292	.526	773	5,714	222	61	3	3,923	1,911	2,178	321	2,795	158	13	78	22,575	277	9.55	4.67	2.04	0.54	25.3	12.4	1.25	.265	3.64	90	2.96	83	6.56	370.2
2	Tommy John T. John	3.34	4710.1	26	760	288	231	.555	700	2,245	162	46	3	4,783	1,749	2,017	302	1,259	98	22	102	19,692	187	4.29	2.41	1.78	0.58	11.4	6.4	1.28	.284	3.85	90	3.37	89	9.14	208.3
3	Jim Kaat J. Kaat	3.45	4530.1	25	898	283	237	.544	625	2,461	180	31	17	4,620	1,738	2,038	395	1,083	122	102	116	19,023	128	4.89	2.15	2.27	0.78	12.9	5.7	1.26	.282	4.05	93	3.41	91	9.18	165.8
4	Charlie Hough C. Hough	3.75	3801.1	25	858	216	216	.500	440	2,362	107	13	61	3,283	1,582	1,807	383	1,665	174	240	44	16,170	179	5.59	3.94	1.42	0.91	14.6	10.3	1.30	.250	4.28	95	4.28	109	7.77	-142.3
5	Jamie Moyer J. Moyer	4.25	4074.0	25	696	269	209	.563	638	2,441	33	10	0	4,231	1,926	2,076	522	1,155	146	15	69	17,356	57	5.39	2.55	2.11	1.15	14.1	6.7	1.32	.283	4.59	97	4.46	102	9.35	-33.5
6	Roger Clemens R. Clemens	3.12	4916.2	24	709	354	184	.658	707	4,672	118	46	0	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	8.55	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	70	3.08	71	7.66	680.4
7	Steve Carlton S. Carlton	3.22	5217.2	24	741	329	244	.574	709	4,136	254	55	2	4,672	1,864	2,130	414	1,833	53	13	150	21,683	183	7.13	3.16	2.26	0.71	19.1	8.5	1.25	.279	3.67	87	3.14	86	8.06	271.5
8	Phil Niekro P. Niekro	3.35	5404.0	24	864	318	274	.537	716	3,342	245	45	29	5,044	2,012	2,337	482	1,809	123	83	86	22,677	226	5.57	3.01	1.85	0.80	14.7	8.0	1.27	.270	3.89	87	3.61	95	8.40	116.1
9	Dennis Eckersley D. Eckersley	3.50	3285.2	24	1,071	197	171	.535	361	2,401	100	20	390	3,076	1,278	1,382	347	738	75	577	91	13,534	28	6.58	2.02	3.25	0.95	17.7	5.5	1.16	.274	3.79	86	3.40	85	8.43	224.9
10	Greg Maddux G. Maddux	3.16	5008.1	23	744	355	227	.610	740	3,371	109	35	0	4,726	1,756	1,981	353	999	137	3	177	20,421	70	6.06	1.80	3.37	0.63	16.5	4.9	1.14	.281	3.56	76	3.25	78	8.49	519.5
11	Don Sutton D. Sutton	3.26	5282.1	23	774	324	256	.559	756	3,574	178	58	5	4,692	1,914	2,104	472	1,343	82	12	102	21,631	112	6.09	2.29	2.66	0.80	16.5	6.2	1.14	.261	3.58	92	3.23	90	7.99	181.2
12	Jack Quinn J. Quinn	3.29	3920.1	23	756	247	218	.531	443	1,329	243	28	56	4,238	1,433	1,837	103	860	91	218		16,356	62	3.05	1.97	1.55	0.24	8.1	5.3	1.30	.296	4.22	89	3.17	87	9.73	217.4
13	Early Wynn E. Wynn	3.54	4564.0	23	691	300	244	.551	611	2,334	289	49	16	4,291	1,796	2,037	338	1,775	64	67	36	19,408	51	4.60	3.50	1.31	0.67	12.0	9.1	1.33	.265	4.02	94	3.64	97	8.46	56.4
14	Dennis Martinez D. Martinez	3.70	3999.2	23	692	245	193	.559	562	2,149	122	30	8	3,897	1,643	1,835	372	1,165	122	51	71	16,754	83	4.84	2.62	1.84	0.84	12.8	7.0	1.27	.272	4.13	94	3.91	99	8.77	17
15	Cy Young C. Young	2.63	7356.0	22	906	511	316	.618	815	2,803	749	76	17	7,092	2,147	3,167	138	1,217	161	84		29,565	156	3.43	1.49	2.30	0.17	9.5	4.1	1.13	.275	3.87	74	2.84	79	8.68	620
16	Rich Gossage R. Gossage	3.01	1809.1	22	1,002	124	107	.537	37	1,502	16	0	310	1,497	605	670	119	732	47	681	90	7,507	63	7.47	3.64	2.05	0.59	20.0	9.8	1.23	.270	3.33	81	3.18	84	7.45	125.4
17	Gaylord Perry G. Perry	3.11	5350.0	22	777	314	265	.542	690	3,534	303	53	10	4,938	1,846	2,128	399	1,379	108	33	164	21,953	160	5.95	2.32	2.56	0.67	16.1	6.3	1.18	.275	3.58	85	3.06	85	8.31	312.9
18	Randy Johnson R. Johnson	3.29	4135.1	22	618	303	166	.646	603	4,875	100	37	2	3,346	1,513	1,703	411	1,497	190	7	37	17,067	109	10.61	3.26	3.26	0.89	28.6	8.8	1.17	.291	3.71	75	3.18	73	7.28	554.3
19	Bert Blyleven B. Blyleven	3.31	4970.0	22	692	287	250	.534	685	3,701	242	60	0	4,632	1,830	2,029	430	1,322	155	3	71	20,491	114	6.70	2.39	2.80	0.78	18.1	6.5	1.20	.282	3.67	85	3.18	82	8.39	368.6
20	Tom Glavine T. Glavine	3.54	4413.1	22	682	305	203	.600	682	2,607	56	25	0	4,298	1,734	1,900	356	1,500	66	0	145	18,604	65	5.32	3.06	1.74	0.73	14.0	8.1	1.31	.280	3.87	86	3.94	94	8.76	120.1
21	Joe Niekro J. Niekro	3.59	3584.1	22	702	221	204	.520	500	1,747	107	29	16	3,466	1,431	1,620	276	1,262	65	93	71	15,166	172	4.39	3.17	1.38	0.69	11.5	8.3	1.32	.270	4.07	102	3.79	107	8.70	-109.2
22	Herb Pennock H. Pennock	3.60	3571.2	22	617	241	162	.598	419	1,227	249	35	37	3,900	1,428	1,699	128	916	36	135		15,096	65	3.09	2.31	1.34	0.32	8.1	6.1	1.35	.295	4.28	95	3.50	93	9.83	113.6
23	Jerry Reuss J. Reuss	3.64	3669.2	22	628	220	191	.535	547	1,907	127	39	11	3,734	1,483	1,700	245	1,127	59	41	118	15,582	107	4.68	2.76	1.69	0.60	12.2	7.2	1.32	.285	4.17	100	3.45	95	9.16	68.4
24	Kid Gleason K. Gleason	3.79	2389.1	22	299	138	131	.513	266	744	240	10	6	2,552	1,007	1,511	76	906	78	30		10,617	83	2.80	3.41	0.82	0.29	7.0	8.5	1.45	.281	5.69	97	3.93	99	9.61	28.1
25	Red Ruffing R. Ruffing	3.80	4344.0	22	624	273	225	.548	538	1,987	335	45	18	4,284	1,833	2,115	254	1,541	58	69		18,546	46	4.12	3.19	1.29	0.53	10.7	8.3	1.34	.274	4.38	91	3.93	95	8.88	82.3