Between the 1980 and 1989 seasons, Jack Morris won the most games, with 162 wins.

Interpreted as:

most regular-season wins by MLB pitcher in 80s

	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	162	119	.577	332	332	3.66	1,629	133	20	0	2443.2	2,212	995	1,085	264	858	23	0	66	10,208	124	6.00	3.16	1.90	0.97	16.0	8.4	1.26	.262	4.00	92	3.89	94	8.15	66.7
2	Dave Stieb D. Stieb	140	109	.562	339	331	3.32	1,380	92	27	1	2328.2	2,019	859	954	183	825	104	4	29	9,654	39	5.33	3.19	1.67	0.71	14.3	8.5	1.22	.256	3.69	80	3.77	93	7.80	77.5
3	Bob Welch B. Welch	137	93	.596	313	311	3.21	1,457	47	22	0	2082.1	1,885	743	821	155	666	49	0	40	8,655	43	6.30	2.88	2.19	0.67	16.8	7.7	1.23	.273	3.55	90	3.34	92	8.15	63.4
4	Charlie Hough C. Hough	128	114	.529	331	282	3.67	1,363	93	11	2	2121.2	1,842	864	999	218	867	80	22	18	8,942	98	5.78	3.68	1.57	0.92	15.2	9.7	1.28	.253	4.24	90	4.14	103	7.81	-28.2
5	Fernando Valenzuela F. Valenzuela	128	103	.554	298	287	3.19	1,644	102	27	2	2144.2	1,876	760	869	133	838	16	5	54	8,957	81	6.90	3.52	1.96	0.56	18.4	9.4	1.27	.276	3.65	91	3.21	90	7.87	84
6	Bert Blyleven B. Blyleven	123	103	.544	291	288	3.64	1,480	94	21	0	2078.1	1,984	841	919	212	557	73	1	26	8,623	44	6.41	2.41	2.66	0.92	17.2	6.5	1.22	.281	3.98	89	3.56	88	8.59	109.6
7	Nolan Ryan N. Ryan	122	104	.540	314	314	3.14	2,167	44	15	0	2094.0	1,603	730	835	128	894	53	0	34	8,704	123	9.31	3.84	2.42	0.55	24.9	10.3	1.19	.270	3.59	90	2.82	81	6.89	159.5
8	Jim Clancy J. Clancy	119	126	.486	329	317	4.09	1,145	61	10	1	2017.2	1,996	918	1,017	207	711	27	8	30	8,582	72	5.11	3.17	1.61	0.92	13.3	8.3	1.34	.276	4.54	100	4.04	100	8.90	1.9
9	Frank Viola F. Viola	117	98	.544	272	271	3.84	1,287	56	11	0	1858.0	1,850	792	877	218	548	30	0	20	7,801	48	6.23	2.65	2.35	1.06	16.5	7.0	1.29	.285	4.25	91	3.83	94	8.96	46.2
10	Rick Sutcliffe R. Sutcliffe	116	93	.555	310	260	3.87	1,285	59	15	6	1860.0	1,764	799	866	160	745	28	27	56	7,887	74	6.22	3.60	1.72	0.77	16.3	9.4	1.35	.283	4.19	99	3.74	96	8.54	34.8
11	Mike Scott M. Scott	114	90	.559	295	276	3.42	1,324	41	20	3	1803.2	1,594	685	761	140	537	31	13	43	7,436	37	6.61	2.68	2.47	0.70	17.8	7.2	1.18	.269	3.80	98	3.23	93	7.95	53.3
12	Doyle Alexander D. Alexander	112	98	.533	300	289	3.85	1,029	51	10	0	2004.1	2,065	858	930	223	503	32	7	28	8,423	34	4.62	2.26	2.05	1.00	12.2	6.0	1.28	.278	4.18	97	3.96	100	9.27	3.7
13	Floyd Bannister F. Bannister	112	109	.507	297	294	3.98	1,356	50	11	0	1890.2	1,813	836	929	234	616	28	0	23	7,994	66	6.45	2.93	2.20	1.11	17.0	7.7	1.28	.274	4.42	96	3.94	96	8.63	35.4
14	Ron Guidry R. Guidry	111	72	.607	252	232	3.66	1,126	55	10	1	1639.2	1,599	666	719	180	412	11	9	21	6,800	33	6.18	2.26	2.73	0.99	16.6	6.1	1.23	.280	3.95	92	3.56	89	8.78	80
15	Mike Witt M. Witt	109	104	.512	304	272	3.78	1,269	70	10	5	1945.0	1,913	816	917	166	643	47	18	36	8,220	64	5.87	2.98	1.97	0.77	15.4	7.8	1.31	.287	4.24	95	3.61	88	8.85	109.1
16	Richard Dotson R. Dotson	109	109	.500	292	283	4.16	951	54	10	0	1804.1	1,813	835	922	191	720	40	6	23	7,788	42	4.74	3.59	1.32	0.95	12.2	9.2	1.40	.276	4.60	102	4.33	108	9.04	-62.1
17	Rick Rhoden R. Rhoden	109	100	.522	294	288	3.65	1,092	48	10	1	1918.1	1,954	779	856	139	596	32	4	57	8,082	63	5.12	2.80	1.83	0.65	13.5	7.4	1.33	.292	4.02	98	3.52	94	9.17	46.3
18	Dennis Martinez D. Martinez	107	87	.552	302	255	4.00	868	47	11	1	1722.0	1,784	765	848	190	512	49	19	27	7,316	43	4.54	2.68	1.70	0.99	11.9	7.0	1.33	.280	4.43	104	4.14	107	9.32	-54.1
19	Scott McGregor S. McGregor	107	83	.563	262	247	4.13	668	62	17	0	1604.1	1,727	736	799	189	413	16	7	21	6,797	20	3.75	2.32	1.62	1.06	9.8	6.1	1.33	.279	4.48	104	4.23	104	9.69	-31.2
20	Dan Petry D. Petry	107	87	.552	283	256	3.84	908	49	11	0	1731.1	1,630	739	832	179	697	40	8	56	7,350	62	4.72	3.62	1.30	0.93	12.4	9.5	1.34	.263	4.32	96	4.30	104	8.47	-30.4
21	Don Sutton D. Sutton	107	86	.554	272	270	3.53	1,050	26	8	1	1765.2	1,655	693	754	190	424	23	1	22	7,277	28	5.35	2.16	2.48	0.97	14.4	5.8	1.18	.262	3.84	93	3.70	96	8.44	26.9
22	Frank Tanana F. Tanana	107	122	.467	314	304	3.89	1,225	51	8	0	1994.0	2,014	861	989	219	589	55	3	59	8,493	55	5.53	2.66	2.08	0.99	14.4	6.9	1.31	.280	4.46	97	3.91	97	9.09	27
23	Bob Knepper B. Knepper	105	118	.471	332	306	3.70	1,068	50	20	1	2005.1	2,045	824	946	167	597	36	8	52	8,484	39	4.79	2.68	1.79	0.75	12.6	7.0	1.32	.284	4.25	107	3.70	107	9.18	-64.6
24	Joe Niekro J. Niekro	105	96	.522	264	259	3.56	884	52	12	0	1713.2	1,624	677	783	119	623	32	3	26	7,247	110	4.64	3.27	1.42	0.62	12.2	8.6	1.31	.269	4.11	99	3.75	105	8.53	-42
25	Jerry Reuss J. Reuss	105	83	.559	300	258	3.48	762	44	17	5	1688.0	1,724	652	755	123	379	23	23	51	7,035	33	4.06	2.02	2.01	0.66	10.8	5.4	1.25	.279	4.03	95	3.49	95	9.19	28.2