Atlee Hammaker had the best ERA in the NL in 1983, with an ERA of 2.25.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 1983?

	NAME	ERA	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	Atlee Hammaker A. Hammaker	2.25	1983	SFG	23	10	9	.526	23	127	8	3	0	172.1	147	43	57	9	32	3	0	12	695	6	6.63	1.67	3.97	0.47	18.3	4.6	1.04	.263	2.98	63	2.56	70	7.68	21.4
2	John Denny J. Denny	2.37	1983	PHI	36	19	6	.760	36	139	7	1	0	242.2	229	64	77	9	53	4	0	5	983	6	5.16	1.97	2.62	0.33	14.1	5.4	1.16	.283	2.86	65	2.78	75	8.49	24.9
3	Bob Welch B. Welch	2.65	1983	LAD	31	15	12	.556	31	156	4	3	0	204.0	164	60	73	13	72	3	0	4	828	4	6.88	3.18	2.17	0.57	18.8	8.7	1.16	.259	3.22	75	3.14	87	7.24	10.2
4	Mario Soto M. Soto	2.70	1983	CIN	34	17	13	.567	34	242	18	3	0	273.2	207	82	96	28	95	5	0	6	1,114	2	7.96	3.12	2.55	0.92	21.7	8.5	1.10	.241	3.16	71	3.40	91	6.81	10.5
5	Alejandro Pena A. Pena	2.75	1983	LAD	34	12	9	.571	26	120	4	3	1	177.0	152	54	67	7	51	1	4	7	730	2	6.10	2.59	2.35	0.36	16.4	7.0	1.15	.263	3.41	78	2.78	77	7.73	16.2
6	Jerry Reuss J. Reuss	2.94	1983	LAD	32	12	11	.522	31	143	7	0	0	223.1	233	73	94	12	50	2	0	5	935	3	5.76	2.01	2.86	0.48	15.3	5.3	1.27	.304	3.79	84	2.86	80	9.39	18.5
7	Nolan Ryan N. Ryan	2.98	1983	HOU	29	14	9	.609	29	183	5	2	0	196.1	134	65	74	9	101	4	0	3	804	5	8.39	4.63	1.81	0.41	22.8	12.6	1.20	.247	3.39	87	3.08	88	6.14	8.7
8	Craig McMurtry C. McMurtry	3.08	1983	ATL	36	15	9	.625	35	105	6	3	0	224.2	204	77	86	13	88	1	0	1	943	1	4.21	3.53	1.19	0.52	11.1	9.3	1.30	.260	3.45	80	3.75	96	8.17	4
9	Rick Rhoden R. Rhoden	3.09	1983	PIT	36	13	13	.500	35	153	7	2	1	244.1	256	84	95	13	68	2	1	15	1,012	6	5.64	2.50	2.25	0.48	15.1	6.7	1.33	.313	3.50	84	3.04	82	9.43	18
10	Steve Carlton S. Carlton	3.11	1983	PHI	37	15	16	.484	37	275	8	3	0	283.2	277	98	117	20	84	3	0	10	1,183	13	8.73	2.67	3.27	0.63	23.2	7.1	1.27	.321	3.71	85	2.64	71	8.79	33.6
11	Charlie Lea C. Lea	3.12	1983	MON	33	16	11	.593	33	137	8	4	0	222.0	195	77	87	15	84	1	0	4	917	8	5.55	3.41	1.63	0.61	14.9	9.2	1.26	.265	3.53	88	3.54	95	7.91	4.2
12	Bob Knepper B. Knepper	3.19	1983	HOU	35	6	13	.316	29	125	4	3	0	203.0	202	72	93	12	71	4	2	3	867	3	5.54	3.15	1.76	0.53	14.4	8.2	1.34	.290	4.12	94	3.39	97	8.96	1.6
13	Steve Rogers S. Rogers	3.23	1983	MON	36	17	12	.586	36	146	13	5	0	273.0	258	98	108	14	78	5	0	12	1,125	6	4.81	2.57	1.87	0.46	13.0	6.9	1.23	.277	3.56	91	3.25	88	8.51	13.8
14	John Candelaria J. Candelaria	3.23	1983	PIT	33	15	8	.652	32	157	2	0	0	197.2	191	71	73	15	45	2	0	3	797	3	7.15	2.05	3.49	0.68	19.7	5.6	1.19	.304	3.32	87	2.85	77	8.70	18.7
15	Larry McWilliams L. McWilliams	3.25	1983	PIT	35	15	8	.652	35	199	8	4	0	238.0	205	86	99	19	87	3	0	7	1,002	9	7.53	3.29	2.29	0.72	19.9	8.7	1.23	.268	3.74	88	3.24	87	7.75	12.3
16	Charles Hudson C. Hudson	3.35	1983	PHI	26	8	8	.500	26	101	3	0	0	169.1	158	63	73	13	53	0	0	6	701	4	5.37	2.82	1.91	0.69	14.4	7.6	1.25	.272	3.88	91	3.49	94	8.40	4.1
17	Pascual Perez P. Perez	3.43	1983	ATL	33	15	8	.652	33	144	7	1	0	215.1	213	82	88	20	51	4	0	5	889	7	6.02	2.13	2.82	0.84	16.2	5.7	1.23	.288	3.68	89	3.38	87	8.90	12.2
18	Joe Niekro J. Niekro	3.48	1983	HOU	38	15	14	.517	38	152	9	1	0	263.2	238	102	115	15	101	3	0	5	1,113	14	5.19	3.45	1.50	0.51	13.7	9.1	1.29	.265	3.93	102	3.51	101	8.12	-1.8
19	Tom Seaver T. Seaver	3.55	1983	NYM	34	9	14	.391	34	135	5	2	0	231.0	201	91	104	18	86	4	0	5	962	10	5.26	3.35	1.57	0.70	14.0	8.9	1.24	.255	4.05	99	3.76	103	7.83	-3.5
20	Dave Dravecky D. Dravecky	3.58	1983	SDP	28	14	10	.583	28	74	9	1	0	183.2	181	73	78	18	44	3	0	4	756	2	3.63	2.16	1.68	0.88	9.8	5.8	1.23	.264	3.82	102	3.98	107	8.87	-5.6
21	Lee Tunnell L. Tunnell	3.65	1983	PIT	35	11	6	.647	25	95	5	3	0	177.2	167	72	81	15	58	2	4	3	731	11	4.81	2.94	1.64	0.76	13.0	7.9	1.27	.271	4.10	99	3.78	102	8.46	-1.5
22	John Stuper J. Stuper	3.68	1983	STL	40	12	11	.522	30	81	6	1	1	198.0	202	81	95	15	71	2	6	3	845	8	3.68	3.23	1.14	0.68	9.6	8.4	1.38	.277	4.32	103	4.01	111	9.18	-8.8
23	Fernando Valenzuela F. Valenzuela	3.75	1983	LAD	35	15	10	.600	35	189	9	4	0	257.0	245	107	122	16	99	3	0	10	1,094	12	6.62	3.47	1.91	0.56	17.3	9.0	1.34	.291	4.27	107	3.27	91	8.58	9.1
24	Bill Gullickson B. Gullickson	3.75	1983	MON	34	17	12	.586	34	120	10	1	0	242.1	230	101	108	19	59	4	0	4	990	4	4.46	2.19	2.03	0.71	12.1	6.0	1.19	.268	4.01	106	3.55	96	8.54	4.2
25	Fred Breining F. Breining	3.82	1983	SFG	32	11	12	.478	32	117	6	0	0	202.2	202	86	97	15	60	5	0	11	868	4	5.20	2.66	1.95	0.67	13.5	6.9	1.29	.279	4.31	107	3.51	96	8.97	3.5