Carlos Carrasco, Corey Kluber and Luis Severino were tied for the most decisions in 2018, with 27 decisions.

	NAME	DEC	SEASON	TM	G	W	L	W%	GS	ERA	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	Carlos Carrasco C. Carrasco	27	2018	CLE	32	17	10	.630	30	3.38	231	2	0	0	192.0	173	72	78	21	43	6	1	4	784	9	10.83	2.02	5.37	0.98	29.5	5.5	1.13	.315	3.66	77	2.94	69	8.11	27.6
2	Corey Kluber C. Kluber	27	2018	CLE	33	20	7	.741	33	2.89	222	2	1	0	215.0	179	69	75	25	34	3	0	0	842	2	9.29	1.42	6.53	1.05	26.4	4.0	0.99	.276	3.14	66	3.12	74	7.49	26.5
3	Luis Severino L. Severino	27	2018	NYY	32	19	8	.704	32	3.39	220	1	1	0	191.1	173	72	76	19	46	5	0	0	780	8	10.35	2.16	4.78	0.89	28.2	5.9	1.14	.314	3.57	79	2.95	68	8.14	28.6
4	Zack Godley Z. Godley	26	2018	ARI	33	15	11	.577	32	4.74	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
5	Zack Greinke Z. Greinke	26	2018	ARI	33	15	11	.577	33	3.21	199	0	0	0	207.2	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
6	Blake Snell B. Snell	26	2018	TBR	31	21	5	.808	31	1.89	221	0	0	0	180.2	112	38	41	16	64	1	0	2	700	13	11.01	3.19	3.45	0.80	31.6	9.1	0.97	.241	2.04	46	2.94	72	5.58	23.1
7	Kyle Hendricks K. Hendricks	25	2018	CHC	33	14	11	.560	33	3.44	161	0	0	0	199.0	184	76	82	22	44	9	0	4	812	0	7.28	1.99	3.66	0.99	19.8	5.4	1.15	.281	3.71	86	3.77	94	8.32	5.4
8	Germán Márquez G. Márquez	25	2018	COL	33	14	11	.560	33	3.77	230	0	0	0	196.0	179	82	90	24	57	8	0	5	817	8	10.56	2.62	4.04	1.10	28.2	7.0	1.20	.311	4.13	82	3.39	80	8.22	18.4
9	Max Scherzer M. Scherzer	25	2018	WSH	33	18	7	.720	33	2.53	300	2	1	0	220.2	150	62	66	23	51	12	0	4	866	4	12.24	2.08	5.88	0.94	34.6	5.9	0.91	.265	2.69	62	2.65	64	6.12	36.1
10	Justin Verlander J. Verlander	25	2018	HOU	34	16	9	.640	34	2.52	290	1	1	0	214.0	156	60	63	28	37	8	0	0	833	5	12.20	1.56	7.84	1.18	34.8	4.4	0.90	.272	2.65	62	2.78	67	6.56	33
11	Dylan Bundy D. Bundy	24	2018	BAL	31	8	16	.333	31	5.45	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
12	Kyle Freeland K. Freeland	24	2018	COL	33	17	7	.708	33	2.85	173	0	0	0	202.1	182	64	64	17	70	6	0	2	844	2	7.70	3.11	2.47	0.76	20.5	8.3	1.25	.285	2.85	62	3.66	86	8.10	13.2
13	Jon Lester J. Lester	24	2018	CHC	32	18	6	.750	32	3.32	149	0	0	0	181.2	174	67	75	24	64	6	0	1	761	4	7.38	3.17	2.33	1.19	19.6	8.4	1.31	.290	3.72	83	4.39	109	8.62	-7.6
14	Rick Porcello R. Porcello	24	2018	BOS	33	17	7	.708	33	4.28	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	Jose Quintana J. Quintana	24	2018	CHC	32	13	11	.542	32	4.03	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
16	Tanner Roark T. Roark	24	2018	WSH	31	9	15	.375	30	4.34	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
17	Jameson Taillon J. Taillon	24	2018	PIT	32	14	10	.583	32	3.20	179	2	1	0	191.0	179	68	69	20	46	6	0	4	785	2	8.43	2.17	3.89	0.94	22.8	5.9	1.18	.298	3.25	80	3.46	85	8.43	12.8
18	Trevor Williams T. Williams	24	2018	PIT	31	14	10	.583	31	3.11	126	1	1	0	170.2	146	59	64	15	55	4	0	3	701	4	6.64	2.90	2.29	0.79	18.0	7.8	1.18	.261	3.38	78	3.86	95	7.70	3.8
19	José Berríos J. Berríos	23	2018	MIN	32	12	11	.522	32	3.84	202	2	1	0	192.1	159	82	83	25	61	13	0	1	797	2	9.45	2.85	3.31	1.17	25.3	7.7	1.14	.270	3.88	89	3.90	92	7.44	7.1
20	Jhoulys Chacin J. Chacin	23	2018	MIL	35	15	8	.652	35	3.50	156	0	0	0	192.2	153	75	83	18	71	11	0	3	796	5	7.29	3.32	2.20	0.84	19.6	8.9	1.16	.250	3.88	87	4.03	99	7.15	0.7
21	Mike Foltynewicz M. Foltynewicz	23	2018	ATL	31	13	10	.565	31	2.85	202	2	1	0	183.0	130	58	65	17	68	6	0	3	744	7	9.93	3.34	2.97	0.84	27.2	9.1	1.08	.251	3.20	69	3.37	84	6.39	13.3
22	Kyle Gibson K. Gibson	23	2018	MIN	32	10	13	.435	32	3.62	179	0	0	0	196.2	177	79	88	23	79	4	0	2	826	8	8.19	3.62	2.27	1.05	21.7	9.6	1.30	.285	4.03	84	4.12	97	8.10	2.3
23	Lucas Giolito L. Giolito	23	2018	CWS	32	10	13	.435	32	6.13	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
24	J.A. Happ	23	2018	TOT	31	17	6	.739	31	3.65	193	0	0	0	177.2	150	72	81	27	51	9	0	0	733	4	9.78	2.58	3.78	1.37	26.3	7.0	1.13	.272	4.10	85	3.97	93	7.60	6.2
25	Dallas Keuchel D. Keuchel	23	2018	HOU	34	12	11	.522	34	3.74	153	1	0	0	204.2	211	85	92	18	58	2	0	0	874	9	6.73	2.55	2.64	0.79	17.5	6.6	1.31	.300	4.05	91	3.68	89	9.28	10.5