Cy Young played 15 years with 20+ pitcher wins.

Interpreted as:

most 20 or more win seasons by a pitcher

	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	Cy Young C. Young	15	419	216	.660	697	625	2.60	2,077	586	62	15	5694.2	5,521	1,643	2,453	109	982	118	67		23,055	112	3.28	1.55	2.12	0.17	9.0	4.3	1.14	.274	3.88	68	2.98	79	8.73	507.8
2	Christy Mathewson C. Mathewson	13	347	150	.698	555	487	2.03	2,252	388	69	28	4209.2	3,663	950	1,338	72	723	44	62		16,547	95	4.81	1.55	3.11	0.15	13.6	4.4	1.04	.267	2.86	70	2.19	73	7.83	362.1
3	Kid Nichols K. Nichols	11	318	164	.660	526	476	2.90	1,618	453	39	17	4313.2	4,198	1,392	2,108	135	1,051	102	48		17,958	145	3.38	2.19	1.54	0.28	9.0	5.9	1.22	.270	4.40	69	3.48	82	8.76	375
4	Walter Johnson W. Johnson	12	308	157	.662	522	428	1.76	2,485	363	83	20	3934.1	3,054	768	1,073	46	816	131	89		15,215	105	5.68	1.87	3.05	0.11	16.3	5.4	0.98	.256	2.45	58	2.15	70	6.99	391.6
5	Pud Galvin P. Galvin	10	308	243	.559	570	559	2.72	1,542	533	51	0	4917.1	5,162	1,485	2,614	95	535	29	14		20,650	184	2.82	0.98	2.88	0.17	7.5	2.6	1.16	.275	4.78	91	2.91	95	9.45	77.4
6	John Clarkson J. Clarkson	8	293	146	.667	456	449	2.64	1,783	427	36	5	3948.2	3,621	1,157	1,940	132	1,023	75	7		16,557	149	4.06	2.33	1.74	0.30	10.8	6.2	1.18	.258	4.42	74	3.23	87	8.25	254.9
7	Old Hoss Radbourn O. Hoss Radbourn	9	291	165	.638	477	454	2.58	1,712	441	32	3	4102.1	3,905	1,178	2,014	97	768	33	22		17,103	198	3.76	1.68	2.23	0.21	10.0	4.5	1.14	.263	4.42	79	3.11	94	8.57	60.7
8	Warren Spahn W. Spahn	13	278	152	.647	499	456	2.88	1,816	288	53	18	3669.0	3,287	1,175	1,321	291	1,009	24	33	46	14,982	52	4.45	2.48	1.80	0.71	12.1	6.7	1.17	.253	3.24	78	3.38	92	8.06	120.4
9	Mickey Welch M. Welch	9	271	171	.613	472	463	2.56	1,653	448	34	3	4063.2	3,798	1,158	2,045	87	1,012	29	10		16,988	244	3.66	2.24	1.63	0.19	9.7	6.0	1.18	.261	4.53	84	3.18	101	8.41	-8.3
10	Tim Keefe T. Keefe	7	250	121	.674	390	388	2.43	1,966	372	31	1	3312.0	2,711	894	1,459	51	732	41	3		13,484	186	5.34	1.99	2.69	0.14	14.6	5.4	1.04	.249	3.96	73	2.80	83	7.37	200.8
11	Jim McCormick J. McCormick	8	247	183	.574	442	435	2.30	1,591	418	32	1	3836.1	3,587	979	1,831	70	650		7		15,795	140	3.73	1.52	2.45	0.16	10.1	4.1	1.10		4.30	84	2.78	99	8.42	-13.7
12	Grover Alexander G. Alexander	9	241	107	.693	405	349	2.17	1,501	275	70	22	3118.0	2,716	751	973	71	587	50	50		12,372	20	4.33	1.69	2.56	0.20	12.1	4.7	1.06	.260	2.81	67	2.53	77	7.84	244
13	Tony Mullane T. Mullane	8	235	164	.589	418	396	2.78	1,452	379	30	3	3535.2	3,139	1,093	1,834	69	917	91	23		14,883	258	3.70	2.33	1.58	0.18	9.8	6.2	1.15	.250	4.67	83	3.28	98	7.99	32.9
14	Amos Rusie A. Rusie	8	234	163	.589	427	403	2.89	1,835	372	29	5	3531.2	3,100	1,134	1,862	62	1,588	103	24		15,168	142	4.68	4.05	1.16	0.16	12.1	10.5	1.33	.262	4.75	74	3.67	91	7.90	126.9
15	Joe McGinnity J. McGinnity	8	217	117	.650	381	327	2.63	893	284	24	15	2945.0	2,764	860	1,237	38	717	157	47		12,093	24	2.73	2.19	1.25	0.12	7.4	5.9	1.18	.265	3.78	79	3.13	94	8.45	64.5
16	Charlie Buffinton C. Buffinton	7	201	116	.634	342	328	2.71	1,517	294	29	2	2830.2	2,646	851	1,362	69	631	21	13		11,804	143	4.82	2.01	2.40	0.22	12.9	5.3	1.16	.269	4.33	82	2.92	85	8.41	163.6
17	Gus Weyhing G. Weyhing	7	200	140	.588	358	341	3.34	1,309	316	23	3	2974.1	2,818	1,105	1,740	72	1,143	199	17		13,015	214	3.96	3.46	1.15	0.22	10.1	8.8	1.33	.267	5.27	85	3.63	96	8.53	57.6
18	Lefty Grove L. Grove	8	192	66	.744	347	246	2.73	1,334	177	21	44	2219.0	2,097	674	817	73	573	20	89		9,206	24	5.41	2.32	2.33	0.30	14.5	6.2	1.20	.281	3.31	62	3.10	72	8.51	303.6
19	Bob Caruthers B. Caruthers	6	191	73	.723	273	261	2.68	752	252	22	1	2347.1	2,163	698	1,099	41	448	51	12		9,701	106	2.88	1.72	1.68	0.16	7.8	4.6	1.11	.253	4.21	75	3.21	91	8.29	73.6
20	Will White W. White	5	190	104	.646	299	298	2.12	782	295	30	0	2661.0	2,516	627	1,296	46	362		1		11,173	157	2.64	1.22	2.16	0.16	7.0	3.2	1.08	.248	4.38	77	3.00	107	8.51	-85.4
21	Vic Willis V. Willis	8	188	104	.644	331	303	2.28	1,061	250	39	8	2578.0	2,186	653	881	32	741	106	27		10,353	56	3.70	2.59	1.43	0.11	10.2	7.2	1.14	.256	3.08	76	2.86	91	7.63	84
22	Eddie Plank E. Plank	8	187	101	.649	326	287	2.34	1,283	239	40	9	2468.1	2,199	642	857	24	586	124	34		9,841	46	4.68	2.14	2.19	0.09	13.0	6.0	1.13	.278	3.12	78	2.51	86	8.02	112.9
23	Tommy Bond T. Bond	5	180	97	.650	289	283	2.10	713	268	35	0	2510.0	2,558	587	1,138	21	151		8		10,218	76	2.56	0.54	4.72	0.08	7.0	1.5	1.08		4.08	86	2.32	94	9.17	39
24	Larry Corcoran L. Corcoran	5	170	83	.672	263	255	2.23	1,076	246	21	2	2279.0	2,021	564	1,143	63	438		8		9,473	109	4.25	1.73	2.46	0.25	11.4	4.6	1.08		4.51	76	2.90	95	7.98	56.8
25	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