Between the 1983 and 1990 seasons, Frank Viola won the most games, with 133 wins.

Interpreted as:

most regular-season wins by a pitcher 1983 to 1990

	NAME	W	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	Frank Viola F. Viola	133	100	.571	285	284	3.60	1,385	60	13	0	1981.2	1,925	793	883	211	570	32	0	20	8,274	55	6.29	2.59	2.43	0.96	16.7	6.9	1.26	.282	4.01	87	3.66	91	8.74	76.1
2	Jack Morris J. Morris	130	99	.568	270	270	3.72	1,447	101	17	0	1979.0	1,791	817	904	219	694	23	0	56	8,302	122	6.58	3.16	2.09	1.00	17.4	8.4	1.26	.266	4.11	93	3.83	93	8.15	67.3
3	Bob Welch B. Welch	125	74	.628	257	255	3.13	1,179	35	18	0	1729.2	1,569	601	676	136	542	43	0	33	7,179	31	6.13	2.82	2.18	0.71	16.4	7.5	1.22	.271	3.52	86	3.44	93	8.16	44.6
4	Dwight Gooden D. Gooden	119	46	.721	211	209	2.82	1,391	54	20	1	1523.2	1,282	478	529	75	449	25	1	20	6,198	32	8.22	2.65	3.10	0.44	22.4	7.2	1.14	.283	3.12	80	2.51	69	7.57	189
5	Dave Stieb D. Stieb	118	76	.608	275	269	3.25	1,167	50	18	1	1822.2	1,547	658	733	145	670	92	4	17	7,576	34	5.76	3.31	1.74	0.72	15.4	8.8	1.22	.255	3.62	78	3.77	93	7.64	59.7
6	Mike Boddicker M. Boddicker	117	94	.555	263	261	3.65	1,154	61	16	0	1763.2	1,688	715	798	160	591	62	1	33	7,414	53	5.89	3.02	1.95	0.82	15.6	8.0	1.29	.281	4.07	90	3.75	92	8.61	63.3
7	Charlie Hough C. Hough	117	107	.522	273	272	3.67	1,208	82	8	0	1936.2	1,663	789	915	211	825	76	1	12	8,182	78	5.61	3.83	1.46	0.98	14.8	10.1	1.28	.248	4.25	89	4.33	107	7.73	-62.5
8	Roger Clemens R. Clemens	116	51	.695	206	205	2.89	1,424	65	25	0	1513.0	1,281	486	535	102	425	39	0	19	6,163	39	8.47	2.53	3.35	0.61	23.1	6.9	1.13	.283	3.18	69	2.69	67	7.62	223.1
9	Bert Blyleven B. Blyleven	110	88	.556	256	255	3.79	1,255	82	18	0	1816.0	1,767	765	836	196	472	75	0	20	7,561	45	6.22	2.34	2.66	0.97	16.6	6.2	1.23	.282	4.14	91	3.69	90	8.76	80.8
10	Mike Scott M. Scott	110	79	.582	261	257	3.26	1,315	42	21	0	1697.0	1,433	615	684	142	501	29	3	44	6,954	35	6.97	2.66	2.62	0.75	18.9	7.2	1.14	.260	3.63	93	3.24	93	7.60	48.8
11	Dave Stewart D. Stewart	110	74	.598	315	204	3.52	1,092	50	8	12	1636.1	1,503	640	703	138	614	33	63	23	6,923	78	6.01	3.38	1.78	0.76	15.8	8.9	1.29	.271	3.87	91	3.72	96	8.27	29.5
12	Bruce Hurst B. Hurst	107	84	.560	258	252	3.69	1,304	73	19	0	1756.2	1,748	720	785	189	540	19	0	32	7,371	34	6.68	2.77	2.41	0.97	17.7	7.3	1.30	.293	4.02	90	3.63	92	8.96	63.8
13	Fernando Valenzuela F. Valenzuela	107	96	.527	259	258	3.50	1,364	78	17	1	1853.2	1,704	720	819	128	766	13	1	42	7,877	86	6.62	3.72	1.78	0.62	17.3	9.7	1.33	.281	3.98	98	3.45	96	8.27	30.5
14	Orel Hershiser O. Hershiser	99	65	.604	235	195	2.71	1,027	58	23	5	1482.1	1,266	447	520	76	438	32	18	53	6,063	51	6.24	2.66	2.34	0.46	16.9	7.2	1.15	.265	3.16	77	3.00	84	7.69	97.8
15	Mike Witt M. Witt	98	98	.500	275	241	3.85	1,183	60	9	6	1753.1	1,719	751	842	158	596	34	19	34	7,415	61	6.07	3.06	1.98	0.81	16.0	8.0	1.32	.287	4.32	96	3.66	89	8.82	91
16	Bret Saberhagen B. Saberhagen	97	70	.581	224	198	3.23	957	57	12	1	1464.0	1,386	526	574	114	286	18	13	20	5,936	33	5.88	1.76	3.35	0.70	16.1	4.8	1.14	.279	3.53	79	3.10	78	8.52	140.4
17	Nolan Ryan N. Ryan	97	86	.530	253	253	3.27	1,814	30	9	0	1665.0	1,240	605	687	114	693	48	0	31	6,885	88	9.81	3.75	2.62	0.62	26.3	10.1	1.16	.267	3.71	91	2.81	79	6.70	147.6
18	Rick Sutcliffe R. Sutcliffe	97	76	.561	225	222	3.90	1,075	52	13	0	1508.1	1,452	653	702	131	584	21	0	50	6,409	68	6.41	3.48	1.84	0.78	16.8	9.1	1.35	.287	4.19	99	3.67	94	8.66	39.6
19	Mark Langston M. Langston	96	93	.508	233	230	3.88	1,448	52	14	0	1597.1	1,421	689	773	159	772	31	1	17	6,816	47	8.16	4.35	1.88	0.90	21.2	11.3	1.37	.286	4.36	94	3.76	90	8.01	72.6
20	Ron Darling R. Darling	94	64	.595	240	224	3.48	1,090	25	10	0	1517.2	1,377	586	666	146	586	30	4	22	6,380	54	6.46	3.48	1.86	0.87	17.1	9.2	1.29	.272	3.95	98	3.79	105	8.17	-33.8
21	Frank Tanana F. Tanana	94	90	.511	262	249	3.96	1,061	33	6	1	1630.2	1,640	717	814	193	512	45	6	52	6,958	55	5.86	2.83	2.07	1.07	15.2	7.4	1.32	.281	4.49	99	4.03	99	9.05	8
22	Tom Browning T. Browning	93	61	.604	220	219	3.73	774	28	11	0	1439.0	1,376	597	650	173	389	24	1	47	5,974	17	4.84	2.43	1.99	1.08	13.0	6.5	1.23	.261	4.07	98	4.11	107	8.61	-39.8
23	Walt Terrell W. Terrell	92	97	.487	247	244	4.14	780	47	12	0	1610.1	1,648	741	818	155	607	32	2	38	6,907	49	4.36	3.39	1.29	0.87	11.3	8.8	1.40	.280	4.57	107	4.24	107	9.21	-47
24	Storm Davis S. Davis	91	68	.572	236	212	3.96	764	28	4	1	1330.1	1,348	586	642	100	495	14	8	27	5,684	61	5.17	3.35	1.54	0.68	13.4	8.7	1.39	.289	4.34	102	3.73	95	9.12	31.9
25	Mike Moore M. Moore	91	108	.457	267	258	4.09	1,109	64	11	2	1753.2	1,736	796	887	153	623	32	6	34	7,430	66	5.69	3.20	1.78	0.79	14.9	8.4	1.35	.287	4.55	99	3.75	90	8.91	77