player lowest era, whip, season, 2018, min 50 ip

Blake Treinen had the lowest ERA with 50.0+ innings pitched in 2018, with an ERA of 0.78.

	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	Blake Treinen B. Treinen	0.78	0.83	80.1	2018	OAK	68	9	2	.818	0	100	0	0	38	46	7	12	2	21	1	58	3	315	6	11.20	2.35	4.76	0.22	31.7	6.7	.230	1.34	19	1.81	44	5.15	21
2	Jeremy Jeffress J. Jeffress	1.29	0.99	76.2	2018	MIL	73	8	1	.889	0	89	0	0	15	49	11	12	5	27	1	24	4	299	4	10.45	3.17	3.30	0.59	29.8	9.0	.249	1.41	32	2.78	68	5.75	10.9
3	José Leclerc J. Leclerc	1.56	0.85	57.2	2018	TEX	59	2	3	.400	0	85	0	0	12	24	10	16	1	25	3	21	1	223	2	13.27	3.90	3.40	0.16	38.1	11.2	.211	2.50	34	1.89	43	3.75	15.5
4	Jacob deGrom J. deGrom	1.70	0.91	217.0	2018	NYM	32	10	9	.526	32	269	1	0	0	152	41	48	10	46	5	0	3	835	2	11.16	1.91	5.85	0.41	32.2	5.5	.281	1.99	44	1.98	50	6.30	49
5	Blake Snell B. Snell	1.89	0.97	180.2	2018	TBR	31	21	5	.808	31	221	0	0	0	112	38	41	16	64	1	0	2	700	13	11.01	3.19	3.45	0.80	31.6	9.1	.241	2.04	46	2.94	72	5.58	23.1
6	Jared Hughes J. Hughes	1.94	1.02	78.2	2018	CIN	72	4	3	.571	0	59	0	0	7	57	17	17	4	23	2	23	2	298	5	6.75	2.63	2.57	0.46	19.8	7.7	.252	1.94	47	3.27	78	6.52	7.8
7	Edwin Díaz E. Díaz	1.96	0.79	73.1	2018	SEA	73	0	4	.000	0	124	0	0	57	41	16	17	5	17	6	65	0	280	3	15.22	2.09	7.29	0.61	44.3	6.1	.281	2.09	48	1.60	38	5.03	21.3
8	Hyun Jin Ryu H. Jin Ryu	1.97	1.01	82.1	2018	LAD	15	7	3	.700	15	89	0	0	0	68	18	23	9	15	1	0	1	324	0	9.73	1.64	5.93	0.98	27.5	4.6	.281	2.51	51	3.00	75	7.43	9.4
9	Collin McHugh C. McHugh	1.99	0.91	72.1	2018	HOU	58	6	2	.750	0	94	0	0	0	45	16	18	6	21	5	18	0	283	0	11.70	2.61	4.48	0.75	33.2	7.4	.248	2.24	49	2.71	65	5.60	11.7
10	T.J. McFarland	2.00	1.19	72.0	2018	ARI	47	2	2	.500	0	42	0	0	1	64	16	18	4	22	0	21	3	292	2	5.25	2.75	1.91	0.50	14.4	7.5	.268	2.25	49	3.63	91	8.00	2.8
11	Clay Buchholz C. Buchholz	2.01	1.04	98.1	2018	ARI	16	7	2	.778	16	81	1	0	0	80	22	25	9	22	3	0	1	393	1	7.41	2.01	3.68	0.82	20.6	5.6	.255	2.29	50	3.46	87	7.32	5.7
12	Matt Strahm M. Strahm	2.05	0.98	61.1	2018	SDP	41	3	4	.429	5	69	0	0	0	39	14	16	6	21	3	5	1	245	2	10.13	3.08	3.29	0.88	28.2	8.6	.226	2.35	53	3.35	83	5.72	4.6
13	Chris Sale C. Sale	2.11	0.86	158.0	2018	BOS	27	12	4	.750	27	237	0	0	0	102	37	39	11	34	14	0	0	617	4	13.50	1.94	6.97	0.63	38.4	5.5	.283	2.22	48	1.97	47	5.81	39.2
14	Kirby Yates K. Yates	2.14	0.92	63.0	2018	SDP	65	5	3	.625	0	90	0	0	12	41	15	15	6	17	4	28	0	250	2	12.86	2.43	5.29	0.86	36.0	6.8	.263	2.14	55	2.54	63	5.86	10.5
15	Steve Cishek S. Cishek	2.18	1.04	70.1	2018	CHC	80	4	3	.571	0	78	0	0	4	45	17	19	5	28	9	10	4	288	2	9.98	3.58	2.79	0.64	27.1	9.7	.238	2.43	55	3.44	86	5.76	4.6
16	Trevor Bauer T. Bauer	2.21	1.09	175.1	2018	CLE	28	12	6	.667	27	221	0	0	1	134	43	51	9	57	9	1	2	717	12	11.34	2.93	3.88	0.46	30.8	7.9	.297	2.62	50	2.43	57	6.88	35
17	Dylan Floro D. Floro	2.25	1.25	64.0	2018	TOT	54	6	3	.667	0	58	0	0	0	57	16	17	3	23	1	20	6	271	1	8.16	3.23	2.52	0.42	21.4	8.5	.290	2.39	56	3.08	75	8.02	7.3
18	Pedro Strop P. Strop	2.26	0.99	59.2	2018	CHC	60	6	1	.857	0	57	0	0	13	38	15	15	4	21	5	20	3	240	3	8.60	3.17	2.71	0.60	23.8	8.8	.222	2.26	57	3.42	85	5.73	4
19	Aaron Nola A. Nola	2.37	0.97	212.1	2018	PHI	33	17	6	.739	33	224	0	0	0	149	56	57	17	58	7	0	3	831	4	9.49	2.46	3.86	0.72	27.0	7.0	.251	2.42	59	3.00	72	6.32	27.2
20	Raisel Iglesias R. Iglesias	2.38	1.07	72.0	2018	CIN	66	2	5	.286	0	80	0	0	30	52	19	22	12	25	2	57	2	291	2	10.00	3.13	3.20	1.50	27.5	8.6	.233	2.75	58	4.22	101	6.50	-0.3
21	Kyle Crick K. Crick	2.39	1.13	60.1	2018	PIT	64	3	2	.600	0	65	0	0	2	45	16	18	3	23	7	13	3	255	9	9.70	3.43	2.83	0.45	25.5	9.0	.268	2.69	60	3.14	77	6.71	6.2
22	José Alvarado J. Alvarado	2.39	1.11	64.0	2018	TBR	70	1	6	.143	0	80	0	0	8	42	17	21	1	29	1	17	4	263	2	11.25	4.08	2.76	0.14	30.4	11.0	.270	2.95	58	2.26	56	5.91	13.2
23	Adam Ottavino A. Ottavino	2.43	0.99	77.2	2018	COL	75	6	4	.600	0	112	0	0	6	41	21	25	5	36	6	16	5	309	7	12.98	4.17	3.11	0.58	36.2	11.7	.240	2.90	53	2.73	64	4.75	12.7
24	Josh Hader J. Hader	2.43	0.81	81.1	2018	MIL	55	6	1	.857	0	143	0	0	12	36	22	23	9	30	1	14	0	306	0	15.82	3.32	4.77	1.00	46.7	9.8	.220	2.55	60	2.22	55	3.98	16.6
25	Yoshihisa Hirano Y. Hirano	2.44	1.09	66.1	2018	ARI	75	4	3	.571	0	59	0	0	3	49	18	22	6	23	2	10	4	262	6	8.01	3.12	2.57	0.81	22.5	8.8	.250	2.98	60	3.68	93	6.65	2.2