players with the best era as a pitcher in a season with the arizona diamondbacks with a minimum of 1 inning pitched per team game

Randy Johnson has the best ERA for the Diamondbacks when he has had 1 or more (IP/TM GMS) in a season, with an ERA of 2.32 in 2002.

	NAME	ERA	IP	TM GMS	IP/TM GMS	SEASON	TM	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	Randy Johnson R. Johnson	2.32	260.0	162	1.6	2002	ARI	35	24	5	.828	35	334	8	4	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
2	Randy Johnson R. Johnson	2.48	271.2	162	1.68	1999	ARI	35	17	9	.654	35	364	12	2	0	207	75	86	30	70	9	0	3	1,079	4	12.06	2.32	5.20	0.99	33.7	6.5	1.02	.292	2.85	53	2.75	59	6.86	57.2
3	Randy Johnson R. Johnson	2.49	249.2	162	1.54	2001	ARI	35	21	6	.778	34	372	3	2	0	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
4	Zac Gallen Z. Gallen	2.54	184.0	162	1.14	2022	ARI	31	12	4	.750	31	192	0	0	0	121	52	56	15	47	12	0	0	714	5	9.39	2.30	4.09	0.73	26.9	6.6	0.91	.237	2.74	63	3.04	79	5.92	17.2
5	Randy Johnson R. Johnson	2.60	245.2	162	1.52	2004	ARI	35	16	14	.533	35	290	4	2	0	177	71	88	18	44	10	0	1	964	3	10.62	1.61	6.59	0.66	30.1	4.6	0.90	.264	3.22	57	2.29	51	6.48	59.7
6	Randy Johnson R. Johnson	2.64	248.2	162	1.53	2000	ARI	35	19	7	.731	35	347	8	3	0	202	73	89	23	76	6	0	1	1,001	5	12.56	2.75	4.57	0.83	34.7	7.6	1.12	.326	3.22	56	2.53	53	7.31	61.1
7	Zac Gallen Z. Gallen	2.75	72.0	60	1.2	2020	ARI	12	3	2	.600	12	82	0	0	0	55	22	24	9	25	2	0	0	291	4	10.25	3.13	3.28	1.13	28.2	8.6	1.11	.266	3.00	61	3.65	84	6.88	5.7
8	Brandon Webb B. Webb	2.84	180.2	162	1.12	2003	ARI	29	10	9	.526	28	172	1	1	0	140	57	65	12	68	13	1	4	750	9	8.57	3.39	2.53	0.60	22.9	9.1	1.15	.264	3.24	63	3.33	75	6.97	22.3
9	Omar Daal O. Daal	2.88	162.2	162	1	1998	ARI	33	8	12	.400	23	132	3	1	0	146	52	60	12	51	3	4	3	664	0	7.30	2.82	2.59	0.66	19.9	7.7	1.21	.288	3.32	67	3.46	80	8.08	15.8
10	Ian Kennedy I. Kennedy	2.88	222.0	162	1.37	2011	ARI	33	21	4	.840	33	198	1	1	0	186	71	73	19	55	9	0	0	900	11	8.03	2.23	3.60	0.77	22.0	6.1	1.09	.270	2.96	73	3.21	83	7.54	16.5
11	Robbie Ray R. Ray	2.89	162.0	162	1	2017	ARI	28	15	5	.750	28	218	1	1	0	116	52	57	23	71	5	0	3	665	8	12.11	3.94	3.07	1.28	32.8	10.7	1.15	.267	3.17	63	3.71	85	6.44	11.6
12	Curt Schilling C. Schilling	2.95	168.0	162	1.04	2003	ARI	24	8	9	.471	24	194	3	2	0	144	55	58	17	32	3	0	2	673	4	10.39	1.71	6.06	0.91	28.8	4.8	1.05	.297	3.11	66	2.66	59	7.71	33
13	Curt Schilling C. Schilling	2.98	256.2	162	1.58	2001	ARI	35	22	6	.786	35	293	6	1	0	237	85	86	37	39	1	0	0	1,021	4	10.27	1.37	7.51	1.30	28.7	3.8	1.08	.307	3.02	66	3.10	70	8.31	38
14	Brandon Webb B. Webb	3.01	236.1	162	1.46	2007	ARI	34	18	10	.643	34	194	4	3	0	209	79	91	12	72	5	0	6	975	3	7.39	2.74	2.69	0.46	19.9	7.4	1.19	.285	3.47	64	3.22	70	7.96	35.9
15	Brandon Webb B. Webb	3.10	235.0	162	1.45	2006	ARI	33	16	8	.667	33	178	5	3	0	216	81	91	15	50	6	0	4	950	5	6.82	1.91	3.56	0.57	18.7	5.3	1.13	.287	3.49	66	3.17	68	8.27	38.1
16	Dan Haren D. Haren	3.14	229.1	162	1.42	2009	ARI	33	14	10	.583	33	223	3	1	0	192	80	83	27	38	4	0	2	909	13	8.75	1.49	5.87	1.06	24.5	4.2	1.00	.267	3.26	71	3.22	75	7.53	27.4
17	Patrick Corbin P. Corbin	3.15	200.0	162	1.23	2018	ARI	33	11	7	.611	33	246	1	1	0	162	70	70	15	48	5	0	3	800	8	11.07	2.16	5.13	0.68	30.8	6.0	1.05	.302	3.15	78	2.47	62	7.29	34.2
18	Merrill Kelly M. Kelly	3.18	82.0	68	1.21	2025	AZ	14	6	2	.750	14	79	0	0	0	60	29	32	8	21	1	0	0	324	0	8.67	2.30	3.76	0.88	24.4	6.5	0.99	.242	3.51	78	3.21	84	6.59	5.8
19	Zack Greinke Z. Greinke	3.20	202.1	162	1.25	2017	ARI	32	17	7	.708	32	215	1	0	0	172	72	80	25	45	0	0	0	801	12	9.56	2.00	4.78	1.11	26.8	5.6	1.07	.285	3.56	70	3.30	76	7.65	23.7
20	Zack Greinke Z. Greinke	3.21	207.2	162	1.28	2018	ARI	33	15	11	.577	33	199	0	0	0	181	74	77	28	43	6	0	3	839	4	8.62	1.86	4.63	1.21	23.7	5.1	1.08	.272	3.34	79	3.70	93	7.84	6.4
21	Curt Schilling C. Schilling	3.23	259.1	162	1.6	2002	ARI	36	23	7	.767	35	316	5	1	0	218	93	95	29	33	3	0	1	1,017	6	10.97	1.15	9.58	1.01	31.1	3.2	0.97	.297	3.30	75	2.39	55	7.57	54.3
22	Merrill Kelly M. Kelly	3.29	177.2	162	1.1	2023	ARI	30	12	8	.600	30	187	0	0	0	143	65	71	20	69	4	0	0	722	3	9.47	3.50	2.71	1.01	25.9	9.6	1.19	.278	3.60	74	3.84	91	7.24	8
23	Brandon Webb B. Webb	3.30	226.2	162	1.4	2008	ARI	34	22	7	.759	34	183	3	1	0	206	83	95	13	65	12	0	5	944	8	7.27	2.58	2.82	0.52	19.4	6.9	1.20	.288	3.77	73	3.27	74	8.18	28
24	Wade Miley W. Miley	3.33	194.2	162	1.2	2012	ARI	32	16	11	.593	29	144	0	0	0	193	72	79	14	37	2	0	0	807	6	6.66	1.71	3.89	0.65	17.8	4.6	1.18	.293	3.65	81	3.14	80	8.92	17.1
25	Dan Haren D. Haren	3.33	216.0	162	1.33	2008	ARI	33	16	8	.667	33	206	1	1	0	204	80	86	19	40	6	0	4	881	11	8.58	1.67	5.15	0.79	23.4	4.5	1.13	.303	3.58	74	3.00	68	8.50	33.2