Lucas Giolito had the worst ERA in 2018, with an ERA of 6.13.

Interpreted as:

pitcher with worst era with a minimum of 1 IP per team game in 2018

	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	Lucas Giolito L. Giolito	6.13	2018	CWS	32	10	13	.435	32	125	0	0	0	173.1	166	118	123	27	90	15	0	2	775	13	6.49	4.67	1.39	1.40	16.1	11.6	1.48	.268	6.39	145	5.56	130	8.62	-24.4
2	Dylan Bundy D. Bundy	5.45	2018	BAL	31	8	16	.333	31	184	1	0	0	171.2	188	104	116	41	54	6	0	1	750	6	9.65	2.83	3.41	2.15	24.5	7.2	1.41	.316	6.08	128	5.16	117	9.86	-13.8
3	Jon Gray J. Gray	5.12	2018	COL	31	12	9	.571	31	183	0	0	0	172.1	180	98	102	27	52	6	0	1	743	6	9.56	2.72	3.52	1.41	24.6	7.0	1.35	.322	5.33	112	4.08	96	9.40	3.7
4	Nick Pivetta N. Pivetta	4.77	2018	PHI	33	7	14	.333	32	188	0	0	0	164.0	163	87	91	24	51	5	1	0	694	8	10.32	2.80	3.69	1.32	27.1	7.3	1.30	.326	4.99	119	3.79	91	8.95	7.1
5	Zack Godley Z. Godley	4.74	2018	ARI	33	15	11	.577	32	185	0	0	0	178.1	177	94	103	16	81	12	0	2	791	17	9.34	4.09	2.28	0.81	23.4	10.2	1.45	.324	5.20	117	3.81	96	8.93	3.3
6	Tyler Anderson T. Anderson	4.55	2018	COL	32	7	9	.438	32	164	0	0	0	176.0	165	89	94	30	59	3	0	1	737	9	8.39	3.02	2.78	1.53	22.3	8.0	1.27	.281	4.81	99	4.56	107	8.44	-5.3
7	James Shields J. Shields	4.53	2018	CWS	34	7	16	.304	33	154	0	0	0	204.2	190	103	115	34	78	9	1	0	871	11	6.77	3.43	1.97	1.50	17.7	9.0	1.31	.262	5.06	107	5.09	119	8.36	-18.3
8	Jake Odorizzi J. Odorizzi	4.49	2018	MIN	32	7	10	.412	32	162	0	0	0	164.1	151	82	89	20	70	8	0	3	711	1	8.87	3.83	2.31	1.10	22.8	9.8	1.34	.290	4.87	104	4.19	99	8.27	0.7
9	Matthew Boyd M. Boyd	4.39	2018	DET	31	9	13	.409	31	159	0	0	0	170.1	146	83	87	27	51	11	0	0	709	6	8.40	2.69	3.12	1.43	22.4	7.2	1.16	.258	4.60	101	4.44	103	7.71	-2.2
10	Jakob Junis J. Junis	4.37	2018	KCR	30	9	12	.429	30	164	1	0	0	177.0	182	86	94	32	43	15	0	1	758	9	8.34	2.19	3.81	1.63	21.6	5.7	1.27	.298	4.78	101	4.64	112	9.25	-10
11	Mike Leake M. Leake	4.36	2018	SEA	31	10	10	.500	31	119	0	0	0	185.2	207	90	98	23	34	6	0	3	784	2	5.77	1.65	3.50	1.11	15.2	4.3	1.30	.306	4.75	107	4.13	99	10.03	1.1
12	Tanner Roark T. Roark	4.34	2018	WSH	31	9	15	.375	30	146	0	0	0	180.1	181	87	90	24	50	10	1	3	760	5	7.29	2.50	2.92	1.20	19.2	6.6	1.28	.296	4.49	106	4.26	103	9.03	-2.3
13	Luis Castillo L. Castillo	4.30	2018	CIN	31	10	12	.455	31	165	0	0	0	169.2	158	81	89	28	49	5	0	1	708	4	8.75	2.60	3.37	1.49	23.3	6.9	1.22	.282	4.72	105	4.31	103	8.38	-2.2
14	Rick Porcello R. Porcello	4.28	2018	BOS	33	17	7	.708	33	190	1	0	0	191.1	177	91	97	27	48	16	0	0	808	3	8.94	2.26	3.96	1.27	23.5	5.9	1.18	.285	4.56	97	4.01	96	8.33	3.8
15	Gio Gonzalez G. Gonzalez	4.21	2018	TOT	32	10	11	.476	32	148	0	0	0	171.0	167	80	84	17	80	2	0	2	746	5	7.79	4.21	1.85	0.89	19.8	10.7	1.44	.301	4.42	103	4.16	101	8.79	-0.3
16	Ivan Nova I. Nova	4.19	2018	PIT	29	9	9	.500	29	114	0	0	0	161.0	171	75	82	26	35	4	0	4	683	9	6.37	1.96	3.26	1.45	16.7	5.1	1.28	.288	4.58	105	4.56	112	9.56	-9
17	Andrew Heaney A. Heaney	4.15	2018	LAA	30	9	10	.474	30	180	1	1	0	180.0	171	83	91	27	45	8	0	0	749	9	9.00	2.25	4.00	1.35	24.0	6.0	1.20	.294	4.55	98	3.99	93	8.55	5.7
18	Jose Quintana J. Quintana	4.03	2018	CHC	32	13	11	.542	32	158	0	0	0	174.1	162	78	81	25	68	3	0	3	739	3	8.16	3.51	2.32	1.29	21.4	9.2	1.32	.282	4.18	101	4.43	110	8.36	-8.1
19	Marco Gonzales M. Gonzales	4.00	2018	SEA	29	13	9	.591	29	145	1	0	0	166.2	172	74	76	17	32	6	0	0	686	2	7.83	1.73	4.53	0.92	21.1	4.7	1.22	.319	4.10	98	3.43	82	9.29	14.2
20	José Ureña J. Ureña	3.98	2018	MIA	31	9	12	.429	31	130	1	0	0	174.0	155	77	78	19	51	12	0	8	712	2	6.72	2.64	2.55	0.98	18.3	7.2	1.18	.272	4.03	104	4.17	106	8.02	-4.7
21	Jake Arrieta J. Arrieta	3.96	2018	PHI	31	10	11	.476	31	138	0	0	0	172.2	165	76	93	21	57	7	0	0	724	11	7.19	2.97	2.42	1.09	19.1	7.9	1.29	.287	4.85	98	4.25	102	8.60	-1.1
22	Julio Teheran J. Teheran	3.94	2018	ATL	31	9	9	.500	31	162	0	0	0	175.2	122	77	80	26	84	9	0	3	724	2	8.30	4.30	1.93	1.33	22.4	11.6	1.17	.217	4.10	96	4.82	120	6.25	-15.9
23	Kevin Gausman K. Gausman	3.92	2018	TOT	31	10	11	.476	31	148	0	0	0	183.2	189	80	85	26	50	7	0	1	776	6	7.25	2.45	2.96	1.27	19.1	6.4	1.30	.299	4.17	93	4.31	101	9.26	-0.5
24	Reynaldo López R. López	3.91	2018	CWS	32	7	10	.412	32	151	0	0	0	188.2	165	82	88	25	75	10	0	1	799	7	7.20	3.58	2.01	1.19	18.9	9.4	1.27	.260	4.20	93	4.63	108	7.87	-7.4
25	Sean Newcomb S. Newcomb	3.90	2018	ATL	31	12	9	.571	30	160	0	0	0	164.0	137	71	74	18	81	1	0	1	696	4	8.78	4.45	1.98	0.99	23.0	11.6	1.33	.273	4.06	95	4.13	103	7.52	-2.1