most seasons with 20+ wins and 250+ strikeouts and 2.99- era by pitcher

Tim Keefe played the most seasons with 250+ strikeouts, 20+ pitcher wins with an ERA of 2.99 or better, with 4 seasons.

	NAME	SEAS	W	SO	ERA	L	W%	G	GS	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	Tim Keefe T. Keefe	4	155	1,325	2.27	76	.671	241	241	234	19	0	2071.1	1,664	523	833	25	371	12	0		8,363	103	5.76	1.61	3.57	0.11	15.8	4.4	0.98	.248	3.62	72	2.53	80	7.23	141.5
2	Randy Johnson R. Johnson	3	65	997	2.37	15	.813	100	98	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
3	Roger Clemens R. Clemens	3	61	819	2.56	22	.735	103	103	32	13	0	780.1	621	222	243	39	239	28	0	5	3,162	14	9.45	2.76	3.43	0.45	25.9	7.6	1.10	.286	2.80	56	2.60	58	7.16	162.2
4	Sandy Koufax S. Koufax	3	78	1,005	1.88	22	.780	124	122	74	24	2	969.2	671	203	232	63	206	8	2	15	3,781	24	9.33	1.91	4.88	0.58	26.6	5.4	0.90	.243	2.15	59	1.95	63	6.23	131.6
5	Ed Walsh E. Walsh	3	94	778	1.89	50	.653	184	127	107	22	20	1225.2	1,002	258	361	12	222	17	55		4,736	20	5.71	1.63	3.50	0.09	16.4	4.7	1.00	.267	2.65	66	1.98	72	7.36	96.7
6	Rube Waddell R. Waddell	3	73	938	1.83	45	.619	131	118	100	19	0	1035.2	812	211	304	13	266	32	12		4,044	27	8.15	2.31	3.53	0.11	23.2	6.6	1.04	.286	2.64	65	1.77	64	7.06	114.7
7	William Hutchinson W. Hutchinson	3	121	864	2.76	80	.602	212	194	188	14	4	1786.0	1,584	547	914	57	567	33	18		7,516	72	4.35	2.86	1.52	0.29	11.5	7.5	1.20	.255	4.61	79	3.08	84	7.98	125.2
8	Amos Rusie A. Rusie	3	94	982	2.65	85	.525	193	181	167	12	2	1590.0	1,237	469	834	16	821	56	12		6,860	77	5.56	4.65	1.20	0.09	14.3	12.0	1.29	.245	4.72	80	3.18	92	7.00	41.9
9	John Clarkson J. Clarkson	3	138	905	2.32	52	.726	198	197	186	21	1	1709.2	1,505	441	783	56	386	17	1		7,042	47	4.76	2.03	2.34	0.29	12.9	5.5	1.11	.255	4.12	64	3.06	83	7.92	137
10	Ed Morris E. Morris	3	114	926	2.34	57	.667	179	178	173	22	1	1566.0	1,249	407	648	13	270		1		6,276	80	5.32	1.55	3.43	0.07	14.8	4.3	0.97	.246	3.72	75	2.57	85	7.18	57.9
11	Mickey Welch M. Welch	3	116	875	2.39	54	.682	180	179	173	12	1	1549.1	1,414	412	724	29	440		2		6,484	129	5.08	2.56	1.99	0.17	13.5	6.8	1.20		4.21	80	3.06	96	8.21	16.8
12	Justin Verlander J. Verlander	2	45	550	2.49	11	.804	68	68	6	3	0	474.0	311	131	139	60	99	9	0	0	1,816	11	10.44	1.88	5.56	1.14	30.3	5.5	0.86	.229	2.64	58	3.11	73	5.91	60.9
13	Nolan Ryan N. Ryan	2	43	750	2.88	32	.573	83	80	52	7	1	658.2	459	211	240	36	364	16	3	5	2,747	24	10.25	4.97	2.06	0.49	27.3	13.3	1.25	.268	3.28	83	2.73	77	6.27	61.1
14	Steve Carlton S. Carlton	2	51	596	2.15	19	.729	79	79	43	11	0	650.1	500	155	171	32	177	3	0	20	2,579	25	8.25	2.45	3.37	0.44	23.1	6.9	1.04	.264	2.37	59	2.19	62	6.92	95.8
15	Mickey Lolich M. Lolich	2	47	558	2.73	28	.627	86	86	52	8	0	703.1	618	213	233	65	166	18	0	7	2,859	13	7.14	2.12	3.36	0.83	19.5	5.8	1.11	.269	2.98	81	2.82	81	7.91	50.3
16	Bob Gibson B. Gibson	2	42	537	1.66	22	.656	69	69	56	17	0	618.2	449	114	133	23	157	17	0	13	2,431	8	7.81	2.28	3.42	0.33	22.1	6.5	0.98	.251	1.93	49	2.04	65	6.53	75.1
17	Fergie Jenkins F. Jenkins	2	44	523	2.70	28	.611	79	79	50	6	0	633.0	559	190	210	55	102	8	0	13	2,530	9	7.44	1.45	5.13	0.78	20.7	4.0	1.04	.274	2.99	77	2.41	72	7.95	64.4
18	Bob Feller B. Feller	2	53	609	2.38	26	.671	91	79	67	14	8	691.2	522	183	203	24	271	8	10		2,816	11	7.92	3.53	2.25	0.31	21.6	9.6	1.15	.262	2.64	65	2.49	69	6.79	87.5
19	Walter Johnson W. Johnson	2	58	616	1.38	29	.667	95	79	72	15	3	739.0	521	113	181	3	152	29	16		2,780	32	7.50	1.85	4.05	0.04	22.2	5.5	0.91	.262	2.20	49	1.71	59	6.35	94.8
20	Christy Mathewson C. Mathewson	2	67	526	1.83	24	.736	101	86	71	14	7	757.0	602	154	221	9	142	13	12		2,971	20	6.25	1.69	3.70	0.11	17.7	4.8	0.98	.260	2.63	65	1.80	61	7.16	89.3
21	Pud Galvin P. Galvin	2	92	648	2.36	51	.643	148	147	143	17	0	1292.2	1,242	339	621	32	113		1		5,295	44	4.51	0.79	5.73	0.22	12.2	2.1	1.05		4.32	75	2.84	85	8.65	82.8
22	Old Hoss Radbourn O. Hoss Radbourn	2	107	756	1.70	37	.743	151	141	139	15	3	1311.0	1,091	248	491	25	154		10		5,212	70	5.19	1.06	4.91	0.17	14.5	3.0	0.95		3.37	58	2.71	86	7.49	49.8
23	Jim Whitney J. Whitney	2	60	615	2.18	35	.632	100	93	89	7	2	850.0	764	206	398	19	62		6		3,444	55	6.51	0.66	9.92	0.20	17.9	1.8	0.97		4.21	73	2.32	74	8.09	74.2
24	Larry Corcoran L. Corcoran	2	78	540	2.17	37	.678	123	119	114	11	2	1053.0	877	254	504	41	215		4		4,313	46	4.62	1.84	2.51	0.35	12.5	5.0	1.04		4.31	78	2.99	98	7.50	14.9
25	Jim McCormick J. McCormick	2	85	603	2.09	53	.616	140	139	135	17	0	1226.2	1,093	285	537	21	164		2		5,005	36	4.42	1.20	3.68	0.15	12.0	3.3	1.02		3.94	80	2.52	94	8.02	14.1