most seasons with 20 wins by a player since 1965

Since 1965, Jim Palmer has played the most seasons with 20+ pitcher wins, with 8 seasons.

Interpreted as:

most seasons with 20 or more wins by a player since 1965

	NAME	SEAS	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	Jim Palmer J. Palmer	8	169	85	.665	306	304	2.48	1,408	163	42	2	2410.2	1,955	665	739	160	749	23	2	27	9,696	50	5.26	2.80	1.88	0.60	14.5	7.7	1.12	.244	2.76	71	3.23	89	7.30	107.9
2	Fergie Jenkins F. Jenkins	7	152	96	.613	277	275	2.97	1,715	169	30	1	2164.1	1,877	715	789	201	423	42	2	52	8,707	34	7.13	1.76	4.05	0.84	19.7	4.9	1.06	.265	3.28	79	2.76	77	7.81	197.9
3	Roger Clemens R. Clemens	6	126	35	.783	200	200	2.59	1,479	49	18	0	1483.0	1,198	427	473	86	432	44	0	9	5,997	47	8.98	2.62	3.42	0.52	24.7	7.2	1.10	.281	2.87	58	2.67	62	7.27	271.4
4	Steve Carlton S. Carlton	6	137	56	.710	225	224	2.75	1,447	110	25	0	1755.0	1,481	536	598	116	522	14	0	45	7,109	57	7.42	2.68	2.77	0.59	20.4	7.3	1.14	.272	3.07	76	2.73	76	7.59	165.6
5	Tom Glavine T. Glavine	5	103	40	.720	171	171	2.88	750	28	13	0	1181.1	1,058	378	423	76	368	12	0	28	4,848	22	5.71	2.80	2.04	0.58	15.5	7.6	1.21	.270	3.22	71	3.50	86	8.06	76.5
6	Catfish Hunter C. Hunter	5	111	49	.694	191	190	2.65	816	96	25	0	1471.2	1,163	434	486	137	348	17	1	20	5,831	15	4.99	2.13	2.34	0.84	14.0	6.0	1.03	.227	2.97	79	3.36	97	7.11	16.1
7	Tom Seaver T. Seaver	5	109	44	.712	176	174	2.36	1,185	86	24	0	1363.1	1,043	357	387	95	374	20	2	25	5,398	35	7.82	2.47	3.17	0.63	22.0	6.9	1.04	.255	2.55	67	2.56	74	6.89	138.9
8	Gaylord Perry G. Perry	5	110	56	.663	192	190	2.65	1,019	98	19	1	1510.0	1,258	444	503	93	371	33	1	42	6,033	35	6.07	2.21	2.75	0.55	16.9	6.1	1.08	.258	3.00	74	2.79	78	7.50	127.8
9	Bob Gibson B. Gibson	5	106	53	.667	176	174	2.38	1,306	119	31	1	1492.0	1,164	394	444	90	426	37	1	33	5,996	33	7.88	2.57	3.07	0.54	21.8	7.1	1.07	.260	2.68	65	2.48	72	7.02	160.7
10	Dave Stewart D. Stewart	4	84	45	.651	146	146	3.20	718	41	7	0	1061.2	950	377	421	77	367	20	0	8	4,428	46	6.09	3.11	1.96	0.65	16.2	8.3	1.24	.269	3.57	83	3.48	90	8.05	47
11	Wilbur Wood W. Wood	4	90	69	.566	184	181	2.86	771	85	20	1	1390.1	1,283	442	523	101	307	30	3	18	5,653	29	4.99	1.99	2.51	0.65	13.6	5.4	1.14	.266	3.39	80	3.05	85	8.31	84.8
12	Mike Cuellar M. Cuellar	4	89	38	.701	155	155	3.01	602	80	18	0	1150.0	989	385	437	99	312	5	0	17	4,628	14	4.71	2.44	1.93	0.77	13.0	6.7	1.13	.247	3.42	85	3.44	94	7.74	28.9
13	Dave McNally D. McNally	4	87	31	.737	146	145	2.82	644	56	11	0	1062.0	872	333	359	98	275	27	0	12	4,248	22	5.46	2.33	2.34	0.83	15.2	6.5	1.08	.242	3.04	82	3.34	94	7.39	26.1
14	Luis Tiant L. Tiant	4	84	47	.641	145	143	2.75	777	86	19	0	1120.2	924	343	371	94	297	18	0	12	4,485	7	6.24	2.39	2.62	0.75	17.3	6.6	1.09	.252	2.98	73	3.09	83	7.42	73.6
15	Juan Marichal J. Marichal	4	94	39	.707	151	147	2.23	885	106	27	1	1228.0	991	304	362	95	182	21	4	23	4,816	18	6.49	1.33	4.86	0.70	18.4	3.8	0.96	.247	2.65	66	2.55	78	7.26	97.6
16	Roy Halladay R. Halladay	3	63	28	.692	103	102	2.83	629	27	8	0	762.2	704	240	273	68	101	27	0	5	3,051	15	7.42	1.19	6.23	0.80	20.6	3.3	1.06	.286	3.22	65	3.09	72	8.31	102.6
17	Curt Schilling C. Schilling	3	66	19	.776	103	102	3.15	812	14	2	0	742.2	661	260	265	89	107	9	0	1	2,948	13	9.84	1.30	7.59	1.08	27.5	3.6	1.03	.296	3.21	70	2.85	65	8.01	125.4
18	Randy Johnson R. Johnson	3	65	15	.813	100	98	2.37	997	16	8	0	722.2	525	190	212	65	219	41	1	5	2,879	15	12.42	2.73	4.55	0.81	34.6	7.6	1.03	.295	2.64	53	2.52	57	6.54	152.2
19	Jack Morris J. Morris	3	62	27	.697	106	106	3.53	587	41	8	0	801.1	708	314	336	88	245	13	0	14	3,301	39	6.59	2.75	2.40	0.99	17.8	7.4	1.19	.262	3.77	88	3.69	90	7.95	37.6
20	Ron Guidry R. Guidry	3	68	18	.791	100	99	2.78	547	48	14	0	783.0	662	242	264	67	174	3	0	7	3,114	14	6.29	2.00	3.14	0.77	17.6	5.6	1.07	.256	3.03	72	3.06	78	7.61	74.1
21	Tommy John T. John	3	63	25	.716	104	103	3.07	312	44	12	0	762.0	763	260	306	34	171	13	1	5	3,111	22	3.69	2.02	1.82	0.40	10.0	5.5	1.23	.282	3.61	78	3.22	80	9.01	69.2
22	Dennis Leonard D. Leonard	3	61	40	.604	116	115	3.38	582	50	12	1	867.2	800	326	369	75	237	18	1	12	3,576	38	6.04	2.46	2.46	0.78	16.3	6.6	1.20	.272	3.83	85	3.34	86	8.30	53.2
23	Vida Blue V. Blue	3	66	28	.702	115	114	2.66	648	50	14	1	853.2	666	252	284	66	292	13	1	9	3,443	29	6.83	3.08	2.22	0.70	18.8	8.5	1.12	.248	2.99	76	3.08	86	7.02	47.1
24	Phil Niekro P. Niekro	3	64	46	.582	125	118	2.81	596	62	11	2	928.2	795	290	344	81	258	22	5	18	3,798	39	5.78	2.50	2.31	0.78	15.7	6.8	1.13	.251	3.33	72	3.36	87	7.70	52.1
25	Jim Kaat J. Kaat	3	66	40	.623	126	121	2.93	489	46	7	0	885.2	855	288	341	67	195	18	1	7	3,645	16	4.97	1.98	2.51	0.68	13.4	5.3	1.19	.274	3.47	79	3.17	86	8.69	50.9