player lowest era, whip, season, 2017, min 50 ip

Kenley Jansen had the best ERA with 50.0+ innings pitched in 2017, with an ERA of 1.32.

	NAME	ERA	WHIP	IP	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%	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Kenley Jansen K. Jansen	1.32	0.75	68.1	2017	LAD	65	5	0	1.000	0	109	0	0	41	44	10	11	5	7	2	57	0	258	2	14.36	0.92	15.57	0.66	42.2	2.7	.289	1.45	32	1.31	31	5.80	22.6
2	Craig Kimbrel C. Kimbrel	1.43	0.68	69.0	2017	BOS	67	5	0	1.000	0	126	0	0	35	33	11	11	6	14	4	51	0	254	5	16.43	1.83	9.00	0.78	49.6	5.5	.260	1.43	31	1.41	32	4.30	22.7
3	Andrew Miller A. Miller	1.44	0.83	62.2	2017	CLE	57	4	3	.571	0	95	0	0	2	31	10	11	3	21	5	6	0	244	1	13.64	3.02	4.52	0.43	38.9	8.6	.233	1.58	32	1.99	45	4.45	16.7
4	Pat Neshek P. Neshek	1.59	0.87	62.1	2017	TOT	71	5	3	.625	0	69	0	0	1	48	11	13	3	6	0	7	0	235	0	9.96	0.87	11.50	0.43	29.4	2.6	.287	1.88	34	1.85	42	6.93	17.6
5	Matt Albers M. Albers	1.62	0.85	61.0	2017	WSH	63	7	2	.778	0	63	0	0	2	35	11	12	6	17	4	23	0	233	0	9.30	2.51	3.71	0.89	27.0	7.3	.203	1.77	37	3.40	77	5.16	6.7
6	Felipe Vazquez F. Vazquez	1.67	0.89	75.1	2017	PIT	73	5	3	.625	0	88	0	0	21	47	14	19	4	20	4	40	0	300	2	10.51	2.39	4.40	0.48	29.3	6.7	.234	2.27	39	2.46	57	5.62	15.5
7	Archie Bradley A. Bradley	1.73	1.04	73.0	2017	ARI	63	3	3	.500	0	79	0	0	1	55	14	14	4	21	1	13	2	290	0	9.74	2.59	3.76	0.49	27.2	7.2	.276	1.73	38	2.60	60	6.78	14.1
8	Corey Knebel C. Knebel	1.78	1.16	76.0	2017	MIL	76	1	4	.200	0	126	0	0	39	48	15	15	6	40	2	48	5	309	2	14.92	4.74	3.15	0.71	40.8	12.9	.311	1.78	41	2.52	58	5.68	15.4
9	Chad Green C. Green	1.83	0.74	69.0	2017	NYY	40	5	0	1.000	1	103	0	0	0	34	14	14	4	17	2	4	0	253	3	13.43	2.22	6.06	0.52	40.7	6.7	.236	1.83	42	1.74	39	4.43	20.6
10	Ryan Madson R. Madson	1.83	0.80	59.0	2017	TOT	60	5	4	.556	0	67	0	0	2	38	12	12	2	9	4	10	2	219	0	10.22	1.37	7.44	0.31	30.6	4.1	.263	1.83	43	1.98	46	5.80	15.4
11	David Robertson D. Robertson	1.84	0.85	68.1	2017	TOT	61	9	2	.818	0	98	0	0	14	35	14	14	6	23	3	34	5	264	7	12.91	3.03	4.26	0.79	37.1	8.7	.216	1.84	43	2.56	58	4.61	14.1
12	Cory Gearrin C. Gearrin	1.99	1.25	68.0	2017	SFG	68	4	3	.571	0	64	0	0	0	50	15	16	4	35	7	21	4	285	3	8.47	4.63	1.83	0.53	22.5	12.3	.263	2.12	48	3.89	96	6.62	1.2
13	Richard Bleier R. Bleier	1.99	1.18	63.1	2017	BAL	57	2	1	.667	0	26	0	0	0	62	14	23	6	13	4	14	3	265	5	3.69	1.85	2.00	0.85	9.8	4.9	.259	3.27	45	4.37	96	8.81	1.4
14	Brad Hand B. Hand	2.16	0.93	79.1	2017	SDP	72	3	4	.429	0	104	0	0	21	54	19	20	9	20	7	32	1	311	4	11.80	2.27	5.20	1.02	33.4	6.4	.263	2.27	51	3.02	71	6.13	11.1
15	Corey Kluber C. Kluber	2.25	0.87	203.2	2017	CLE	29	18	4	.818	29	265	5	3	0	141	51	56	21	36	5	0	2	777	4	11.71	1.59	7.36	0.93	34.1	4.6	.267	2.47	50	2.49	57	6.23	42.8
16	Ken Giles K. Giles	2.30	1.04	62.2	2017	HOU	63	1	3	.250	0	83	0	0	34	44	16	16	4	21	1	55	0	247	3	11.92	3.02	3.95	0.57	33.6	8.5	.290	2.30	54	2.38	55	6.32	13.7
17	Wade Davis W. Davis	2.30	1.14	58.2	2017	CHC	59	4	2	.667	0	79	0	0	32	39	15	16	6	28	3	56	1	242	7	12.12	4.30	2.82	0.92	32.6	11.6	.262	2.45	53	3.37	78	5.98	6.2
18	Clayton Kershaw C. Kershaw	2.31	0.95	175.0	2017	LAD	27	18	4	.818	27	202	1	0	0	136	45	49	23	30	0	0	0	679	4	10.39	1.54	6.73	1.18	29.7	4.4	.267	2.52	56	3.06	72	6.99	23
19	Anthony Swarzak A. Swarzak	2.33	1.03	77.1	2017	TOT	70	6	4	.600	0	91	0	0	2	58	20	21	6	22	2	6	4	303	2	10.59	2.56	4.14	0.70	30.0	7.3	.286	2.44	54	2.74	62	6.75	14.2
20	Adam Warren A. Warren	2.35	0.87	57.1	2017	NYY	46	3	2	.600	0	54	0	0	1	35	15	19	4	15	1	7	2	223	5	8.48	2.35	3.60	0.63	24.2	6.7	.208	2.98	54	3.01	67	5.49	9.2
21	John Brebbia J. Brebbia	2.44	0.93	51.2	2017	STL	50	0	0		0	51	0	0	0	37	14	15	8	11	5	13	3	209	2	8.88	1.92	4.64	1.39	24.4	5.3	.216	2.61	59	4.12	97	6.45	0.6
22	Scott Alexander S. Alexander	2.48	1.30	69.0	2017	KCR	58	5	4	.556	0	59	0	0	4	62	19	23	3	28	0	9	0	283	3	7.70	3.65	2.11	0.39	20.8	9.9	.306	3.00	56	3.22	75	8.09	8.4
23	Raisel Iglesias R. Iglesias	2.49	1.11	76.0	2017	CIN	63	3	3	.500	0	92	0	0	28	57	21	22	5	27	1	57	1	306	1	10.89	3.20	3.41	0.59	30.1	8.8	.287	2.61	56	2.69	61	6.75	14.2
24	Alex Claudio A. Claudio	2.50	1.04	82.2	2017	TEX	70	4	2	.667	1	56	0	0	11	71	23	26	5	15	2	38	4	323	0	6.10	1.63	3.73	0.54	17.3	4.6	.269	2.83	53	3.20	70	7.73	12.2
25	Max Scherzer M. Scherzer	2.51	0.90	200.2	2017	WSH	31	16	6	.727	31	268	2	0	0	126	56	62	22	55	11	0	2	780	4	12.02	2.47	4.87	0.99	34.4	7.1	.245	2.78	57	2.89	66	5.65	33.2