who has the lowest era with a minimum of 0.9 ip per team game in 1980 to 1990

Between the 1980 and 1990 seasons, Orel Hershiser had the best ERA when he had 0.9 or more (IP/TM GMS), with an ERA of 2.71.

	NAME	ERA	IP	TM GMS	IP/TM GMS	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	Orel Hershiser O. Hershiser	2.71	1482.1	1,295	1.14	235	99	65	.604	195	1,027	58	23	5	1,266	447	520	76	438	32	18	53	6,063	51	6.24	2.66	2.34	0.46	16.9	7.2	1.15	.265	3.16	77	3.00	84	7.69	97.8
2	Dwight Gooden D. Gooden	2.82	1523.2	1,132	1.35	211	119	46	.721	209	1,391	54	20	1	1,282	478	529	75	449	25	1	20	6,198	32	8.22	2.65	3.10	0.44	22.4	7.2	1.14	.283	3.12	80	2.51	69	7.57	189
3	Roger Clemens R. Clemens	2.89	1513.0	1,134	1.33	206	116	51	.695	205	1,424	65	25	0	1,281	486	535	102	425	39	0	19	6,163	39	8.47	2.53	3.35	0.61	23.1	6.9	1.13	.283	3.18	69	2.69	67	7.62	223.1
4	John Tudor J. Tudor	3.07	1769.0	1,723	1.03	275	116	70	.624	257	977	49	16	1	1,638	603	677	154	466	29	5	31	7,240	18	4.97	2.37	2.10	0.78	13.5	6.4	1.19	.264	3.44	79	3.61	96	8.33	28.5
5	Joe Magrane J. Magrane	3.07	773.2	650	1.19	116	42	42	.500	114	428	20	10	0	713	264	299	30	242	26	1	24	3,225	42	4.98	2.82	1.77	0.35	13.3	7.5	1.23	.273	3.48	83	3.23	87	8.29	39.5
6	Tim Belcher T. Belcher	3.12	596.2	646	0.92	105	40	29	.580	86	477	19	11	5	491	207	233	47	186	11	12	12	2,418	17	7.19	2.81	2.56	0.71	19.7	7.7	1.13	.262	3.51	90	3.19	89	7.41	24.4
7	David Cone D. Cone	3.14	784.2	808	0.97	132	53	27	.663	104	725	22	8	1	654	274	303	64	276	15	9	16	3,234	39	8.32	3.17	2.63	0.73	22.4	8.5	1.19	.274	3.48	89	3.11	85	7.50	44.7
8	Nolan Ryan N. Ryan	3.16	2298.0	1,731	1.33	344	135	113	.544	344	2,399	49	17	0	1,740	808	921	146	968	60	0	36	9,522	132	9.40	3.79	2.48	0.57	25.2	10.2	1.18	.268	3.61	90	2.82	80	6.81	183.2
9	Greg Hibbard G. Hibbard	3.18	348.1	323	1.08	56	20	16	.556	56	147	5	1	0	344	123	138	16	96	8	0	2	1,452	6	3.80	2.48	1.53	0.41	10.1	6.6	1.26	.277	3.57	82	3.43	91	8.89	13.7
10	Bob Welch B. Welch	3.18	2320.1	1,732	1.34	348	164	99	.624	346	1,584	49	24	0	2,099	821	911	181	743	54	0	44	9,634	45	6.14	2.88	2.13	0.70	16.4	7.7	1.22	.271	3.53	89	3.43	94	8.14	52.3
11	Doug Drabek D. Drabek	3.21	1003.0	810	1.24	157	69	45	.605	148	577	21	10	0	890	358	394	92	271	15	3	12	4,074	20	5.18	2.43	2.13	0.83	14.2	6.7	1.16	.256	3.54	87	3.68	97	7.99	11.7
12	Chuck Finley C. Finley	3.22	767.0	810	0.95	152	48	41	.539	95	544	18	3	0	714	274	307	54	311	14	24	14	3,223	24	6.38	3.65	1.75	0.63	16.9	9.6	1.34	.287	3.60	82	3.55	88	8.38	40
13	Bret Saberhagen B. Saberhagen	3.23	1464.0	1,132	1.29	224	97	70	.581	198	957	57	12	1	1,386	526	574	114	286	18	13	20	5,936	33	5.88	1.76	3.35	0.70	16.1	4.8	1.14	.279	3.53	79	3.10	78	8.52	140.4
14	Steve Rogers S. Rogers	3.24	1199.0	917	1.31	169	72	58	.554	165	641	50	16	0	1,121	431	475	62	367	18	1	36	4,961	29	4.81	2.75	1.75	0.47	12.9	7.4	1.24	.273	3.57	91	3.28	92	8.41	39.3
15	Sid Fernandez S. Fernandez	3.26	1212.1	1,295	0.94	199	78	59	.569	193	1,153	17	6	1	894	439	478	105	491	30	1	23	4,978	18	8.56	3.65	2.35	0.78	23.2	9.9	1.14	.247	3.55	92	3.28	91	6.64	45.2
16	Dave Stieb D. Stieb	3.29	2537.1	1,727	1.47	372	158	115	.579	364	1,505	94	29	1	2,198	927	1,027	194	889	114	4	29	10,515	44	5.34	3.15	1.69	0.69	14.3	8.5	1.22	.256	3.64	79	3.73	92	7.80	93
17	Rick Reuschel R. Reuschel	3.31	1703.1	1,563	1.09	269	100	88	.532	254	889	45	9	2	1,715	626	699	106	420	40	8	52	7,100	33	4.70	2.22	2.12	0.56	12.5	5.9	1.25	.285	3.69	90	3.32	89	9.06	76.5
18	Fernando Valenzuela F. Valenzuela	3.31	2348.2	1,730	1.36	331	141	116	.549	320	1,759	107	29	2	2,099	864	981	152	915	16	5	58	9,857	94	6.74	3.51	1.92	0.58	17.8	9.3	1.28	.278	3.76	93	3.28	91	8.04	76.8
19	Teddy Higuera T. Higuera	3.34	1255.0	970	1.29	181	89	54	.622	179	986	50	12	0	1,108	466	511	112	381	21	2	15	5,171	13	7.07	2.73	2.59	0.80	19.1	7.4	1.19	.271	3.66	81	3.32	82	7.95	100.9
20	Danny Darwin D. Darwin	3.37	1826.0	1,725	1.06	465	106	105	.502	201	1,199	46	8	29	1,715	683	780	156	550	42	141	64	7,641	30	5.91	2.71	2.18	0.77	15.7	7.2	1.24	.274	3.84	88	3.52	93	8.45	52
21	Mario Soto M. Soto	3.37	1614.1	1,404	1.15	255	94	84	.528	213	1,360	70	12	4	1,289	604	664	157	588	24	11	41	6,633	33	7.58	3.28	2.31	0.88	20.5	8.9	1.16	.251	3.70	91	3.44	93	7.19	44.2
22	Bryn Smith B. Smith	3.37	1541.2	1,565	0.99	310	90	79	.533	218	916	20	8	6	1,470	578	673	119	371	35	34	38	6,375	28	5.35	2.17	2.47	0.69	14.4	5.8	1.19	.274	3.93	93	3.36	92	8.58	52.2
23	Danny Cox D. Cox	3.40	985.2	971	1.02	152	56	56	.500	150	493	21	5	0	991	372	434	71	297	16	0	32	4,115	19	4.50	2.71	1.66	0.65	12.0	7.2	1.31	.284	3.96	93	3.65	100	9.05	-2.2
24	Mike Scott M. Scott	3.46	2009.1	1,725	1.16	327	123	103	.544	308	1,445	45	22	3	1,788	772	863	167	603	32	13	49	8,307	38	6.47	2.70	2.40	0.75	17.4	7.3	1.19	.267	3.87	98	3.34	95	8.01	35.7
25	Jimmy Key J. Key	3.47	1269.2	1,135	1.12	251	87	56	.608	184	702	22	6	10	1,212	489	538	129	301	17	24	22	5,206	25	4.98	2.13	2.33	0.91	13.5	5.8	1.19	.267	3.81	84	3.74	91	8.59	50.7