fastest to 20 wins in a season by a pitcher

42 pitchers are tied for the fewest wins with 20+ pitcher wins in a season, with 20 wins. The first three are Julio Urías in 2021, Gerrit Cole in 2019 and Corey Kluber in 2018.

Interpreted as:

fastest to 20 or more wins in a season by a pitcher

	NAME	W	SEASON	TM	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	Julio Urías J. Urías	20	2021	LAD	3	.870	32	32	2.96	195	0	0	0	185.2	151	61	67	19	38	7	0	3	745	2	9.45	1.84	5.13	0.92	26.2	5.1	1.02	.272	3.25	73	3.12	73	7.32	23.8
2	Gerrit Cole G. Cole	20	2019	HOU	5	.800	33	33	2.50	326	0	0	0	212.1	142	59	66	29	48	3	0	0	817	4	13.82	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	55	2.63	58	6.02	45
3	Corey Kluber C. Kluber	20	2018	CLE	7	.741	33	33	2.89	222	2	1	0	215.0	179	69	75	25	34	3	0	0	842	2	9.29	1.42	6.53	1.05	26.4	4.0	0.99	.276	3.14	66	3.12	74	7.49	26.5
4	J.A. Happ	20	2016	TOR	4	.833	32	32	3.18	163	0	0	0	195.0	168	69	72	22	60	6	0	0	796	3	7.52	2.77	2.72	1.02	20.5	7.5	1.17	.268	3.32	76	3.95	93	7.75	6.3
5	Max Scherzer M. Scherzer	20	2016	WSH	7	.741	34	34	2.96	284	1	0	0	228.1	165	75	77	31	56	6	0	2	902	2	11.19	2.21	5.07	1.22	31.5	6.2	0.97	.255	3.04	70	3.23	78	6.50	22.7
6	Dallas Keuchel D. Keuchel	20	2015	HOU	8	.714	33	33	2.48	216	3	2	0	232.0	185	64	68	17	51	2	0	0	911	9	8.38	1.98	4.24	0.66	23.7	5.6	1.02	.269	2.64	64	2.90	73	7.18	28.3
7	Johnny Cueto J. Cueto	20	2014	CIN	9	.690	34	34	2.25	242	4	2	0	243.2	169	61	69	22	65	15	0	2	961	1	8.94	2.40	3.72	0.81	25.2	6.8	0.96	.238	2.55	61	3.30	87	6.24	13.4
8	Adam Wainwright A. Wainwright	20	2014	STL	9	.690	32	32	2.38	179	5	3	0	227.0	184	60	64	10	50	7	0	5	898	4	7.10	1.98	3.58	0.40	19.9	5.6	1.03	.267	2.54	66	2.88	79	7.30	19.6
9	R.A. Dickey	20	2012	NYM	6	.769	34	33	2.73	230	5	3	0	233.2	192	71	78	24	54	9	1	2	927	4	8.86	2.08	4.26	0.92	24.8	5.8	1.05	.275	3.00	73	3.26	84	7.40	16.6
10	David Price D. Price	20	2012	TBR	5	.800	31	31	2.56	205	2	1	0	211.0	173	60	63	16	59	5	0	2	836	8	8.74	2.52	3.47	0.68	24.5	7.1	1.10	.285	2.69	66	3.04	75	7.38	23.9
11	Jered Weaver J. Weaver	20	2012	LAA	5	.800	30	30	2.81	142	3	2	0	188.2	147	59	63	20	45	4	0	0	739	2	6.77	2.15	3.16	0.95	19.2	6.1	1.02	.241	3.01	73	3.74	94	7.01	4.6
12	Adam Wainwright A. Wainwright	20	2010	STL	11	.645	33	33	2.42	213	5	2	0	230.1	186	62	68	15	56	4	0	2	910	2	8.32	2.19	3.80	0.59	23.4	6.2	1.05	.275	2.66	62	2.85	73	7.27	27.5
13	Roy Halladay R. Halladay	20	2008	TOR	11	.645	34	33	2.78	206	9	2	0	246.0	220	76	88	18	39	12	0	3	987	4	7.54	1.43	5.28	0.66	20.9	4.0	1.05	.284	3.22	64	3.02	69	8.05	36.3
14	Mike Mussina M. Mussina	20	2008	NYY	9	.690	34	34	3.37	150	0	0	0	200.1	214	75	85	17	31	8	0	3	819	4	6.74	1.39	4.84	0.76	18.3	3.8	1.22	.321	3.82	78	3.31	77	9.61	22.3
15	Josh Beckett J. Beckett	20	2007	BOS	7	.741	30	30	3.27	194	1	0	0	200.2	189	73	76	17	40	5	0	0	822	3	8.70	1.79	4.85	0.76	23.6	4.9	1.14	.304	3.41	71	3.07	71	8.48	28
16	Roy Oswalt R. Oswalt	20	2005	HOU	12	.625	35	35	2.94	184	4	1	0	241.2	243	79	85	18	48	8	0	3	1,002	5	6.85	1.79	3.83	0.67	18.4	4.8	1.20	.302	3.17	70	3.15	73	9.05	30.4
17	Roy Oswalt R. Oswalt	20	2004	HOU	10	.667	36	35	3.49	206	2	2	0	237.0	233	92	100	17	62	11	0	5	983	5	7.82	2.35	3.32	0.65	21.0	6.3	1.24	.314	3.80	80	3.16	71	8.85	33.6
18	Johan Santana J. Santana	20	2004	MIN	6	.769	34	34	2.61	265	1	1	0	228.0	156	66	70	24	54	9	0	0	881	7	10.46	2.13	4.91	0.95	30.1	6.1	0.92	.250	2.76	56	2.91	66	6.16	38.1
19	Bartolo Colon B. Colon	20	2002	TOT	8	.714	33	33	2.93	149	8	3	0	233.1	219	76	85	20	70	2	0	5	966	4	5.75	2.70	2.13	0.77	15.4	7.2	1.24	.274	3.28	68	3.72	87	8.45	15
20	Pedro Martinez P. Martinez	20	2002	BOS	4	.833	30	30	2.26	239	2	0	0	199.1	144	50	62	13	40	15	0	1	787	3	10.79	1.81	5.98	0.59	30.4	5.1	0.92	.273	2.80	50	2.23	53	6.50	45.4
21	Roger Clemens R. Clemens	20	2001	NYY	3	.870	33	33	3.51	213	0	0	0	220.1	205	86	94	19	72	5	0	1	918	14	8.70	2.94	2.96	0.78	23.2	7.8	1.26	.305	3.84	80	3.28	74	8.37	28.1
22	Jon Lieber J. Lieber	20	2001	CHC	6	.769	34	34	3.80	148	5	1	0	232.1	226	98	104	25	41	7	0	4	958	4	5.73	1.59	3.61	0.97	15.4	4.3	1.15	.273	4.03	89	3.79	86	8.75	15.8
23	Jamie Moyer J. Moyer	20	2001	SEA	6	.769	33	33	3.43	119	1	0	0	209.2	187	80	84	24	44	10	0	4	851	1	5.11	1.89	2.70	1.03	14.0	5.2	1.10	.249	3.61	80	4.17	96	8.03	3.8
24	Tim Hudson T. Hudson	20	2000	OAK	6	.769	32	32	4.14	169	2	2	0	202.1	169	93	100	24	82	7	0	5	847	7	7.52	3.65	2.06	1.07	20.0	9.7	1.24	.257	4.45	86	4.32	90	7.52	10.3
25	Darryl Kile D. Kile	20	2000	STL	9	.690	34	34	3.91	192	5	1	0	232.1	215	101	109	33	58	13	0	1	960	8	7.44	2.25	3.31	1.28	20.0	6.0	1.18	.274	4.22	85	4.24	88	8.33	14.5