Between the 1983 and 1991 seasons, Jack Morris won the most games, with 148 wins.

Interpreted as:

most regular-season wins by a pitcher 1983 to 1991

	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	Jack Morris J. Morris	148	111	.571	305	305	3.68	1,610	111	19	0	2225.2	2,017	911	1,011	237	786	28	0	61	9,334	137	6.51	3.18	2.05	0.96	17.2	8.4	1.26	.267	4.09	92	3.81	93	8.16	76.7
2	Frank Viola F. Viola	146	115	.559	320	319	3.64	1,517	63	13	0	2213.0	2,184	895	995	236	624	33	0	24	9,254	61	6.17	2.54	2.43	0.96	16.4	6.7	1.27	.285	4.05	89	3.68	92	8.88	72.9
3	Bob Welch B. Welch	137	87	.612	292	290	3.29	1,280	42	19	0	1949.2	1,789	713	800	161	633	54	0	36	8,129	34	5.91	2.92	2.02	0.74	15.7	7.8	1.24	.271	3.69	90	3.60	97	8.26	23.5
4	Roger Clemens R. Clemens	134	61	.687	241	240	2.85	1,665	78	29	0	1784.1	1,500	565	628	117	490	44	0	31	7,240	45	8.40	2.47	3.40	0.59	23.0	6.8	1.12	.281	3.17	68	2.67	67	7.57	267.6
5	Dwight Gooden D. Gooden	132	53	.714	238	236	2.91	1,541	57	21	1	1713.2	1,467	554	609	87	505	28	1	22	6,987	37	8.09	2.65	3.05	0.46	22.1	7.2	1.15	.286	3.20	82	2.57	71	7.70	203.5
6	Mike Boddicker M. Boddicker	129	106	.549	293	290	3.69	1,233	62	16	0	1944.1	1,876	797	887	173	650	75	2	33	8,189	56	5.71	3.01	1.90	0.80	15.1	7.9	1.30	.281	4.11	90	3.78	93	8.68	58.2
7	Charlie Hough C. Hough	126	117	.519	304	301	3.70	1,315	86	9	0	2136.0	1,830	878	1,013	232	919	87	2	12	9,040	83	5.54	3.87	1.43	0.98	14.5	10.2	1.29	.246	4.27	90	4.37	108	7.71	-78.8
8	Bruce Hurst B. Hurst	122	92	.570	289	283	3.64	1,445	77	19	0	1978.1	1,949	801	874	206	599	22	0	35	8,280	39	6.57	2.73	2.41	0.94	17.5	7.2	1.29	.290	3.98	89	3.61	91	8.87	74.7
9	Dave Stieb D. Stieb	122	79	.607	284	278	3.25	1,196	51	18	1	1882.1	1,599	679	755	149	693	94	4	17	7,820	34	5.72	3.31	1.73	0.71	15.3	8.9	1.22	.255	3.61	78	3.78	93	7.65	60.8
10	Dave Stewart D. Stewart	121	85	.587	350	239	3.72	1,236	52	9	12	1862.1	1,748	770	838	162	719	42	63	24	7,937	91	5.97	3.47	1.72	0.78	15.6	9.1	1.32	.274	4.05	96	3.81	98	8.45	16.3
11	Mark Langston M. Langston	115	101	.532	267	264	3.76	1,631	59	14	0	1843.2	1,611	771	862	189	868	33	1	20	7,808	53	7.96	4.24	1.88	0.92	20.9	11.1	1.34	.280	4.21	91	3.82	92	7.86	72.4
12	Bret Saberhagen B. Saberhagen	110	78	.585	252	226	3.21	1,093	64	14	1	1660.1	1,551	593	650	126	331	27	13	25	6,725	41	5.92	1.79	3.30	0.68	16.3	4.9	1.13	.277	3.52	78	3.09	78	8.41	158.1
13	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
14	Mike Scott M. Scott	110	81	.576	263	259	3.30	1,318	42	21	0	1704.0	1,444	625	694	144	505	30	3	45	6,989	35	6.96	2.67	2.61	0.76	18.9	7.2	1.14	.260	3.67	94	3.26	93	7.63	45.3
15	Nolan Ryan N. Ryan	109	92	.542	280	280	3.24	2,017	32	11	0	1838.0	1,342	661	745	126	765	53	0	31	7,568	96	9.88	3.75	2.64	0.62	26.7	10.1	1.15	.264	3.65	89	2.80	78	6.57	172
16	Mike Moore M. Moore	108	116	.482	300	291	3.96	1,262	67	12	2	1963.2	1,912	865	962	164	728	37	6	35	8,317	80	5.78	3.34	1.73	0.75	15.2	8.8	1.34	.285	4.41	97	3.74	91	8.76	84.3
17	Tom Browning T. Browning	107	75	.588	256	255	3.80	889	29	11	0	1669.1	1,617	704	774	205	445	28	1	51	6,957	20	4.79	2.40	2.00	1.11	12.8	6.4	1.24	.262	4.17	100	4.16	108	8.72	-52.8
18	Frank Tanana F. Tanana	107	102	.512	295	282	3.94	1,168	36	8	1	1848.0	1,857	808	912	219	590	47	6	61	7,878	58	5.69	2.87	1.98	1.07	14.8	7.5	1.32	.280	4.44	98	4.09	100	9.04	-0.2
19	Fernando Valenzuela F. Valenzuela	107	98	.522	261	260	3.53	1,369	78	17	1	1860.1	1,718	729	829	131	769	13	1	42	7,913	87	6.62	3.72	1.78	0.63	17.3	9.7	1.34	.282	4.01	99	3.47	96	8.31	27.3
20	Orel Hershiser O. Hershiser	106	67	.613	256	216	2.77	1,100	58	23	5	1594.1	1,378	490	563	79	470	37	18	59	6,536	53	6.21	2.65	2.34	0.45	16.8	7.2	1.16	.268	3.18	78	2.99	83	7.78	107.7
21	Walt Terrell W. Terrell	104	111	.484	282	277	4.15	860	55	14	0	1829.0	1,905	844	933	171	686	34	3	48	7,861	57	4.23	3.38	1.25	0.84	10.9	8.7	1.42	.284	4.59	107	4.23	106	9.37	-47.1
22	Jimmy Key J. Key	103	68	.602	284	217	3.41	827	24	8	10	1479.0	1,419	560	622	141	345	20	24	25	6,083	26	5.03	2.10	2.40	0.86	13.6	5.7	1.19	.269	3.78	82	3.64	89	8.63	75.6
23	Rick Sutcliffe R. Sutcliffe	103	81	.560	244	240	3.91	1,127	52	13	0	1605.0	1,548	697	754	135	629	21	0	52	6,831	70	6.32	3.53	1.79	0.76	16.5	9.2	1.36	.287	4.23	99	3.68	94	8.68	41.2
24	Ron Darling R. Darling	102	79	.564	272	256	3.56	1,219	25	10	0	1712.0	1,562	678	766	168	657	39	4	25	7,207	70	6.41	3.45	1.86	0.88	16.9	9.1	1.30	.272	4.03	100	3.84	106	8.21	-43.3
25	Bill Gullickson B. Gullickson	102	81	.557	234	234	3.83	690	33	6	0	1527.2	1,587	650	726	161	358	17	0	64	6,378	24	4.07	2.11	1.93	0.95	10.8	5.6	1.27	.277	4.28	101	3.98	104	9.35	-26.6