4 pitchers were tied for winning the most games in 1998, with 20 wins. The first three are Roger Clemens, David Cone and Tom Glavine.

	NAME	W	SEASON	TM	L	W%	G	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	Roger Clemens R. Clemens	20	1998	TOR	6	.769	33	33	2.65	271	5	3	0	234.2	169	69	78	11	88	7	0	0	961	6	10.39	3.38	3.08	0.42	28.2	9.2	1.10	.271	2.99	57	2.65	59	6.48	49.2
2	David Cone D. Cone	20	1998	NYY	7	.741	31	31	3.55	209	3	0	0	207.2	186	82	89	20	59	15	0	1	866	6	9.06	2.56	3.54	0.87	24.1	6.8	1.18	.295	3.86	78	3.44	76	8.06	25.1
3	Tom Glavine T. Glavine	20	1998	ATL	6	.769	33	33	2.47	157	4	3	0	229.1	202	63	67	13	74	2	0	2	934	3	6.16	2.90	2.12	0.51	16.8	7.9	1.20	.275	2.63	59	3.49	82	7.93	19.6
4	Rick Helling R. Helling	20	1998	TEX	7	.741	33	33	4.41	164	4	2	0	216.1	209	106	109	27	78	1	0	6	922	10	6.82	3.24	2.10	1.12	17.8	8.5	1.33	.279	4.53	91	4.33	93	8.69	7.8
5	Randy Johnson R. Johnson	19	1998	TOT	11	.633	34	34	3.28	329	10	6	0	244.1	203	89	102	23	86	14	0	1	1,014	7	12.12	3.17	3.83	0.85	32.4	8.5	1.18	.320	3.76	72	2.89	65	7.48	42.2
6	Pedro Martinez P. Martinez	19	1998	BOS	7	.731	33	33	2.89	251	3	2	0	233.2	188	75	82	26	67	8	0	3	951	9	9.67	2.58	3.75	1.00	26.4	7.0	1.09	.270	3.16	61	3.39	76	7.24	28.4
7	Shane Reynolds S. Reynolds	19	1998	HOU	8	.704	35	35	3.51	209	3	1	0	233.1	257	91	99	25	53	2	0	2	986	5	8.06	2.04	3.94	0.96	21.2	5.4	1.33	.333	3.82	88	3.44	85	9.91	16
8	Aaron Sele A. Sele	19	1998	TEX	11	.633	33	33	4.23	167	3	2	0	212.2	239	100	116	14	84	13	0	6	954	4	7.07	3.55	1.99	0.59	17.5	8.8	1.52	.333	4.91	88	3.79	81	10.11	20.4
9	Kevin Tapani K. Tapani	19	1998	CHC	9	.679	35	34	4.85	136	2	2	0	219.0	244	118	120	30	62	5	0	4	945	7	5.59	2.55	2.19	1.23	14.4	6.6	1.40	.301	4.93	114	4.59	106	10.03	-5.8
10	Kevin Brown K. Brown	18	1998	SDP	7	.720	36	35	2.38	257	7	3	0	257.0	225	68	77	8	49	10	0	4	1,032	10	9.00	1.72	5.24	0.28	24.9	4.7	1.07	.306	2.70	60	2.22	53	7.88	57
11	Greg Maddux G. Maddux	18	1998	ATL	9	.667	34	34	2.22	204	9	5	0	251.0	201	62	75	13	45	7	0	10	987	4	7.31	1.61	4.53	0.47	20.7	4.6	0.98	.262	2.69	53	2.80	66	7.21	41
12	David Wells D. Wells	18	1998	NYY	4	.818	30	30	3.49	163	8	5	0	214.1	195	83	86	29	29	1	0	0	851	2	6.84	1.22	5.62	1.22	19.2	3.4	1.05	.264	3.61	77	3.79	84	8.19	17.5
13	Andy Ashby A. Ashby	17	1998	SDP	9	.654	33	33	3.34	151	5	1	0	226.2	223	84	90	23	58	7	0	8	939	7	6.00	2.30	2.60	0.91	16.1	6.2	1.24	.286	3.57	84	3.98	95	8.85	4.7
14	Al Leiter A. Leiter	17	1998	NYM	6	.739	28	28	2.47	174	4	2	0	193.0	151	53	55	8	71	11	0	2	789	4	8.11	3.31	2.45	0.37	22.1	9.0	1.15	.272	2.56	61	3.14	75	7.04	22.5
15	Kevin Millwood K. Millwood	17	1998	ATL	8	.680	31	29	4.08	163	3	1	0	174.1	175	79	86	18	56	3	1	3	748	6	8.41	2.89	2.91	0.93	21.8	7.5	1.33	.309	4.44	97	3.62	85	9.03	12.4
16	John Smoltz J. Smoltz	17	1998	ATL	3	.850	26	26	2.90	173	2	2	0	167.2	145	54	58	10	44	4	0	2	681	3	9.29	2.36	3.93	0.54	25.4	6.5	1.13	.300	3.11	69	2.70	63	7.78	29.2
17	Tim Wakefield T. Wakefield	17	1998	BOS	8	.680	36	33	4.58	146	2	0	0	216.0	211	110	123	30	79	14	1	1	939	6	6.08	3.29	1.85	1.25	15.5	8.4	1.34	.270	5.13	97	4.88	109	8.79	-10.1
18	Scott Erickson S. Erickson	16	1998	BAL	13	.552	36	36	4.01	186	11	2	0	251.1	284	112	125	23	69	13	0	4	1,102	4	6.66	2.47	2.70	0.82	16.9	6.3	1.40	.322	4.48	89	3.82	84	10.17	20.8
19	Jose Lima J. Lima	16	1998	HOU	8	.667	33	33	3.70	169	3	1	0	233.1	229	96	100	34	32	7	0	1	950	4	6.52	1.23	5.28	1.31	17.8	3.4	1.12	.275	3.86	93	4.08	101	8.83	-1.6
20	Denny Neagle D. Neagle	16	1998	ATL	11	.593	32	31	3.55	165	5	2	0	210.1	196	83	91	25	60	6	0	3	861	6	7.06	2.57	2.75	1.07	19.2	7.0	1.22	.283	3.89	85	4.05	95	8.39	4.9
21	Andy Pettitte A. Pettitte	16	1998	NYY	11	.593	33	32	4.24	146	5	0	0	216.1	226	102	110	20	87	6	0	1	932	5	6.07	3.62	1.68	0.83	15.7	9.3	1.45	.306	4.58	93	4.27	95	9.40	5.9
22	Rick Reed R. Reed	16	1998	NYM	11	.593	31	31	3.48	153	2	1	0	212.1	208	82	84	30	29	6	0	2	845	1	6.49	1.23	5.28	1.27	18.1	3.4	1.12	.284	3.56	86	4.02	96	8.82	3.4
23	Kenny Rogers K. Rogers	16	1998	OAK	8	.667	34	34	3.17	138	7	1	0	238.2	215	84	96	19	67	7	0	0	970	5	5.20	2.53	2.06	0.72	14.2	6.9	1.18	.265	3.62	69	3.94	87	8.11	15.4
24	Kirk Rueter K. Rueter	16	1998	SFG	9	.640	33	33	4.36	102	1	0	0	187.2	193	91	100	27	57	7	0	3	806	6	4.89	2.73	1.79	1.29	12.7	7.1	1.33	.271	4.80	107	4.94	116	9.26	-14.4
25	Dave Burba D. Burba	15	1998	CLE	10	.600	32	31	4.11	132	0	0	0	203.2	210	93	100	30	69	7	0	4	870	6	5.83	3.05	1.91	1.33	15.2	7.9	1.37	.285	4.42	87	4.87	107	9.28	-6.9