lowest era- by a player with at least 400 ip between 2013 to 2015

Between the 2013 and 2015 seasons, Clayton Kershaw had the best ERA- when pitching at least 400 innings, with an ERA- of 53.

	NAME	ERA-	IP	G	W	L	W%	GS	ERA	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	FIP	FIP-	H/9	PRAA
1	Clayton Kershaw C. Kershaw	53	667.0	93	53	19	.736	93	1.92	772	13	7	0	466	142	159	35	125	10	0	3	2,547	28	10.42	1.69	6.18	0.47	30.3	4.9	0.89	.269	2.15	2.07	56	6.29	123.6
2	Zack Greinke Z. Greinke	64	602.2	92	51	15	.773	92	2.30	555	2	1	0	490	154	166	46	129	14	0	5	2,381	24	8.29	1.93	4.30	0.69	23.3	5.4	1.03	.271	2.48	2.96	80	7.32	50.7
3	Jake Arrieta J. Arrieta	66	461.0	72	37	15	.712	72	2.52	463	5	4	0	323	129	139	24	130	14	0	5	1,808	15	9.04	2.54	3.56	0.47	25.6	7.2	0.98	.254	2.71	2.72	71	6.31	56.3
4	Adam Wainwright A. Wainwright	72	496.2	73	41	19	.683	70	2.61	418	10	5	0	432	144	154	25	89	13	2	7	1,965	9	7.57	1.61	4.70	0.45	21.3	4.5	1.05	.287	2.79	2.67	72	7.83	56.8
5	Johnny Cueto J. Cueto	73	516.1	77	36	24	.600	77	2.81	469	6	4	0	409	161	176	50	129	24	0	4	2,069	2	8.17	2.25	3.64	0.87	22.7	6.2	1.04	.257	3.07	3.45	89	7.13	23.9
6	Chris Sale C. Sale	74	597.0	87	36	29	.554	87	2.92	708	7	1	0	498	194	217	59	127	38	0	4	2,405	18	10.67	1.91	5.57	0.89	29.4	5.3	1.05	.298	3.27	2.84	70	7.51	78.2
7	Max Scherzer M. Scherzer	75	663.1	98	53	20	.726	98	2.94	768	5	4	0	524	217	227	63	153	15	0	3	2,639	26	10.42	2.08	5.02	0.85	29.1	5.8	1.02	.281	3.08	2.78	72	7.11	80.6
8	Felix Hernandez F. Hernandez	76	642.0	96	45	25	.643	96	2.86	655	2	2	0	535	204	222	54	150	17	0	2	2,561	41	9.18	2.10	4.37	0.76	25.6	5.9	1.07	.285	3.11	2.93	76	7.50	65.6
9	Sonny Gray S. Gray	76	491.0	76	33	20	.623	74	2.88	419	5	4	0	404	157	177	36	153	9	0	2	1,991	30	7.68	2.80	2.74	0.66	21.0	7.7	1.13	.268	3.24	3.35	88	7.41	26.5
10	David Price D. Price	78	655.1	93	43	25	.632	93	3.01	647	10	1	0	598	219	248	58	112	11	0	3	2,637	12	8.89	1.54	5.78	0.80	24.5	4.2	1.08	.299	3.41	2.84	73	8.21	76.6
11	Jon Lester J. Lester	79	638.0	97	42	31	.575	97	3.17	604	3	2	0	586	225	253	51	162	19	0	0	2,616	16	8.52	2.29	3.73	0.72	23.1	6.2	1.17	.301	3.57	3.10	81	8.27	52.1
12	Corey Kluber C. Kluber	79	605.0	92	38	30	.559	90	3.17	650	7	1	0	549	213	231	51	129	22	1	6	2,445	10	9.67	1.92	5.04	0.76	26.6	5.3	1.12	.313	3.44	2.80	71	8.17	75.8
13	Madison Bumgarner M. Bumgarner	82	637.0	96	49	28	.636	96	2.90	652	8	4	0	521	205	222	57	144	19	0	11	2,545	11	9.21	2.03	4.53	0.81	25.6	5.7	1.04	.277	3.14	2.98	84	7.36	42.8
14	Hisashi Iwakuma H. Iwakuma	84	528.1	81	38	20	.655	81	3.17	450	1	1	0	463	186	192	63	84	5	0	7	2,091	13	7.67	1.43	5.36	1.07	21.5	4.0	1.04	.269	3.27	3.44	90	7.89	23.4
15	Gerrit Cole G. Cole	84	463.1	73	40	20	.667	73	3.07	440	0	0	0	419	158	172	29	112	22	0	2	1,872	20	8.55	2.18	3.93	0.56	23.5	6.0	1.15	.307	3.34	2.89	78	8.14	42.1
16	Jordan Zimmermann J. Zimmermann	84	614.2	97	46	24	.657	97	3.19	507	7	4	0	581	218	237	56	108	21	0	3	2,496	9	7.42	1.58	4.69	0.82	20.3	4.3	1.12	.291	3.47	3.26	87	8.51	32.5
17	Stephen Strasburg S. Strasburg	84	525.1	87	33	27	.550	87	3.17	588	1	1	0	449	185	213	53	125	20	0	5	2,122	18	10.07	2.14	4.70	0.91	27.7	5.9	1.09	.296	3.65	3.00	81	7.69	42.4
18	John Lackey J. Lackey	85	605.1	93	37	33	.529	93	3.35	500	4	0	0	596	225	245	71	140	11	0	6	2,507	13	7.43	2.08	3.57	1.06	19.9	5.6	1.22	.294	3.64	3.72	98	8.86	5.8
19	Cole Hamels C. Hamels	85	637.0	95	30	31	.492	95	3.25	615	3	1	0	571	230	242	57	171	27	0	11	2,614	19	8.69	2.42	3.60	0.81	23.5	6.5	1.16	.295	3.42	3.26	84	8.07	43.2
20	Tyson Ross T. Ross	86	516.2	99	26	34	.433	80	3.07	526	3	1	0	437	176	204	30	200	24	8	9	2,138	33	9.16	3.48	2.63	0.52	24.6	9.4	1.23	.300	3.55	3.13	85	7.61	33.3
21	Doug Fister D. Fister	86	475.2	83	35	22	.614	72	3.35	320	2	1	1	502	177	199	46	92	29	2	5	1,992	13	6.05	1.74	3.48	0.87	16.1	4.6	1.25	.303	3.77	3.77	99	9.50	3
22	Jose Quintana J. Quintana	86	606.2	97	27	28	.491	97	3.40	519	1	1	0	603	229	251	49	152	15	0	9	2,524	14	7.70	2.25	3.41	0.73	20.6	6.0	1.24	.310	3.72	3.26	81	8.95	51
23	Chris Archer C. Archer	86	535.1	89	31	29	.517	89	3.26	526	3	3	0	459	194	219	46	176	19	0	3	2,215	28	8.84	2.96	2.99	0.77	23.7	7.9	1.19	.285	3.68	3.35	88	7.72	28.9
24	Dallas Keuchel D. Keuchel	86	585.2	93	38	27	.585	84	3.33	485	8	3	0	556	217	235	48	151	14	2	5	2,401	23	7.45	2.32	3.21	0.74	20.2	6.3	1.21	.298	3.61	3.36	86	8.54	36.3
25	James Shields J. Shields	88	658.0	101	40	24	.625	101	3.41	592	3	1	0	628	249	270	76	193	28	0	5	2,745	30	8.10	2.64	3.07	1.04	21.6	7.0	1.25	.297	3.69	3.81	100	8.59	0.7