players career best win percentages mlb min 500 games

Jerry Blevins had the highest win percentage when pitching in 500+ games, at .698.

	NAME	W%	G	W	L	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	Jerry Blevins J. Blevins	.698	609	30	13	1	3.54	508	0	0	7	495.1	417	195	209	50	195	27	123	26	2,098	12	9.23	3.54	2.61	0.91	24.2	9.3	1.24	.278	3.80	89	3.72	92	7.58	17.9
2	Ron Mahay R. Mahay	.692	514	27	12	3	3.83	470	0	0	4	568.0	539	242	273	75	266	10	100	22	2,474	28	7.45	4.21	1.77	1.19	19.0	10.8	1.42	.281	4.33	84	4.62	104	8.54	-9.7
3	Lefty Grove L. Grove	.680	616	300	141	457	3.06	2,266	298	35	54	3940.2	3,849	1,339	1,594	162	1,187	42	123		16,622	51	5.18	2.71	1.91	0.37	13.6	7.1	1.28	.284	3.64	68	3.36	76	8.79	462.8
4	Darren O'Day D. O'Day	.667	644	42	21	0	2.59	637	0	0	21	609.0	458	175	189	64	172	50	155	24	2,461	3	9.41	2.54	3.70	0.95	25.9	7.0	1.03	.256	2.79	61	3.48	82	6.77	52.4
5	Christy Mathewson C. Mathewson	.665	636	373	188	552	2.13	2,507	435	79	30	4788.2	4,219	1,135	1,620	89	848	59	73		18,913	115	4.71	1.59	2.96	0.17	13.3	4.5	1.06	.268	3.04	75	2.26	76	7.93	363
6	Roger Clemens R. Clemens	.658	709	354	184	707	3.12	4,672	118	46	0	4916.2	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	8.55	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	70	3.08	71	7.66	680.4
7	Joe Nathan J. Nathan	.653	787	64	34	29	2.87	976	0	0	377	923.1	690	294	317	84	344	23	587	31	3,771	47	9.51	3.35	2.84	0.82	25.9	9.1	1.12	.259	3.09	67	3.35	78	6.73	93.6
8	John Clarkson J. Clarkson	.648	531	328	178	518	2.81	1,978	485	37	5	4536.1	4,295	1,417	2,384	159	1,191	80	12		19,146	182	3.92	2.36	1.66	0.32	10.3	6.2	1.21	.263	4.73	75	3.35	88	8.52	289.8
9	Al Hrabosky A. Hrabosky	.646	545	64	35	1	3.10	548	0	0	97	722.0	619	249	284	50	315	13	307	58	3,056	36	6.83	3.93	1.74	0.62	17.9	10.3	1.29	.267	3.54	82	3.38	91	7.72	24.5
10	Randy Johnson R. Johnson	.646	618	303	166	603	3.29	4,875	100	37	2	4135.1	3,346	1,513	1,703	411	1,497	190	7	37	17,067	109	10.61	3.26	3.26	0.89	28.6	8.8	1.17	.291	3.71	75	3.18	73	7.28	554.3
11	Grover Alexander G. Alexander	.642	696	373	208	600	2.56	2,198	436	90	32	5190.0	4,868	1,476	1,852	165	951	70	81		20,893	38	3.81	1.65	2.31	0.29	10.5	4.6	1.12	.269	3.21	73	2.88	81	8.44	359.1
12	Pedro Borbon P. Borbon	.639	593	69	39	4	3.52	409	0	0	80	1026.2	1,098	401	436	63	251	28	278	83	4,326	24	3.59	2.20	1.63	0.55	9.5	5.8	1.31	.290	3.82	98	3.41	95	9.63	18.5
13	Javier Lopez J. Lopez	.638	839	30	17	0	3.48	358	0	0	14	533.1	484	206	227	26	235	27	163	38	2,273	16	6.04	3.97	1.52	0.44	15.8	10.3	1.35	.281	3.83	82	3.85	95	8.17	10.5
14	Mike Mussina M. Mussina	.638	537	270	153	536	3.68	2,813	57	23	0	3562.2	3,460	1,458	1,559	376	785	60	0	29	14,593	71	7.11	1.98	3.58	0.95	19.3	5.4	1.19	.292	3.94	82	3.57	79	8.74	372.8
15	Jim Palmer J. Palmer	.638	558	268	152	521	2.86	2,212	211	53	4	3948.0	3,349	1,253	1,395	303	1,311	38	15	37	16,114	85	5.04	2.99	1.69	0.69	13.7	8.1	1.18	.249	3.18	80	3.50	95	7.63	83.2
16	Kid Nichols K. Nichols	.634	621	361	208	562	2.96	1,881	532	48	17	5067.1	4,929	1,664	2,480	156	1,272	129	56		21,082	169	3.34	2.26	1.48	0.28	8.9	6.0	1.22	.271	4.40	73	3.48	85	8.75	377.8
17	Justin Verlander J. Verlander	.627	555	266	158	555	3.32	3,553	26	9	0	3567.2	3,046	1,317	1,428	371	1,004	121	0	28	14,607	99	8.96	2.53	3.54	0.94	24.3	6.9	1.14	.280	3.60	79	3.43	81	7.68	310.9
18	Firpo Marberry F. Marberry	.627	551	148	88	186	3.63	822	86	7	99	2067.1	2,049	834	971	96	686	38	272		8,759	14	3.58	2.99	1.20	0.42	9.4	7.8	1.32	.274	4.23	86	3.92	94	8.92	55
19	Eddie Plank E. Plank	.627	623	326	194	529	2.35	2,246	410	69	23	4495.2	3,958	1,174	1,566	42	1,072	190	77		17,803	88	4.50	2.15	2.10	0.08	12.6	6.0	1.12	.275	3.14	81	2.45	86	7.92	195.2
20	Scott Radinsky S. Radinsky	.627	557	42	25	0	3.44	358	0	0	52	481.2	461	184	208	33	209	12	180	29	2,091	8	6.69	3.91	1.71	0.62	17.1	10.0	1.39	.289	3.89	84	3.76	90	8.61	21
21	Andy Pettitte A. Pettitte	.626	531	256	153	521	3.85	2,448	26	4	0	3316.0	3,448	1,418	1,572	288	1,031	55	3	42	14,074	69	6.64	2.80	2.37	0.78	17.4	7.3	1.35	.308	4.27	86	3.73	83	9.36	282.1
22	Carl Hubbell C. Hubbell	.622	535	253	154	433	2.98	1,677	260	36	33	3590.1	3,461	1,188	1,380	227	725	53	82		14,805	53	4.20	1.82	2.31	0.57	11.3	4.9	1.17	.267	3.46	76	3.55	89	8.68	174.2
23	Bob Feller B. Feller	.621	570	266	162	484	3.25	2,581	279	44	22	3827.0	3,271	1,384	1,557	224	1,764	60	52	6	16,180	69	6.07	4.15	1.46	0.53	16.0	10.9	1.32	.264	3.66	82	3.48	89	7.69	184.6
24	Tony Watson T. Watson	.618	689	47	29	0	2.90	570	0	0	32	648.1	528	209	222	63	174	33	109	20	2,620	5	7.91	2.42	3.28	0.87	21.8	6.6	1.08	.261	3.08	73	3.59	91	7.33	24.5
25	Joe Smith J. Smith	.618	866	55	34	0	3.14	666	0	0	30	762.1	653	266	289	66	254	40	176	31	3,150	19	7.86	3.00	2.62	0.78	21.1	8.1	1.19	.276	3.41	77	3.65	89	7.71	39