pitchers in the live ball era with the most 300 ip seasons

Since 1920, Gaylord Perry and Robin Roberts are tied for playing the most seasons with 300.0+ innings pitched, with 6 seasons.

Interpreted as:

pitchers in the live ball era with the most 300 or more ip seasons

	NAME	SEAS	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Gaylord Perry G. Perry	6	1968.2	237	124	92	.574	235	2.78	1,368	160	29	1	1,657	609	700	154	541	46	2	60	7,946	58	6.25	2.47	2.53	0.70	17.2	6.8	1.12	.257	3.20	75	3.06	84	7.58	129.7
2	Robin Roberts R. Roberts	6	1937.2	253	138	78	.639	232	2.93	964	161	24	14	1,763	631	703	177	356	19	18	3	7,811	17	4.48	1.65	2.71	0.82	12.3	4.6	1.09	.252	3.27	74	3.24	82	8.19	158
3	Fergie Jenkins F. Jenkins	5	1585.2	203	112	71	.612	201	2.96	1,295	126	22	1	1,394	522	577	139	278	31	2	37	6,375	29	7.35	1.58	4.66	0.79	20.3	4.4	1.05	.271	3.27	78	2.60	72	7.91	178.9
4	Burleigh Grimes B. Grimes	5	1574.1	202	113	69	.621	179	3.10	618	146	14	6	1,602	542	693	46	411	35	18		6,639	29	3.53	2.35	1.50	0.26	9.3	6.2	1.28	.281	3.96	82	3.39	88	9.16	76.5
5	Phil Niekro P. Niekro	4	1309.0	173	76	71	.517	168	3.19	913	83	13	2	1,170	464	546	102	467	38	3	28	5,472	52	6.28	3.21	1.96	0.70	16.7	8.5	1.25	.270	3.75	79	3.43	85	8.04	83.7
6	Mickey Lolich M. Lolich	4	1320.0	169	79	64	.552	169	3.31	974	96	14	0	1,243	486	531	138	323	26	0	25	5,408	35	6.64	2.20	3.02	0.94	18.0	6.0	1.19	.280	3.62	91	3.16	87	8.48	69.1
7	Wilbur Wood W. Wood	4	1390.1	184	90	69	.566	181	2.86	771	85	20	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
8	Jim Palmer J. Palmer	4	1262.0	157	85	45	.654	156	2.55	744	87	24	1	1,034	358	392	85	363	14	1	14	5,050	26	5.31	2.59	2.05	0.61	14.7	7.2	1.11	.247	2.80	71	3.23	87	7.37	68.6
9	Don Drysdale D. Drysdale	4	1259.1	169	85	54	.612	165	2.60	930	77	17	2	1,071	364	440	91	269	43	3	45	5,081	34	6.65	1.92	3.46	0.65	18.3	5.3	1.06	.261	3.14	79	2.76	86	7.65	60.9
10	Carl Hubbell C. Hubbell	4	1228.1	178	93	42	.689	137	2.38	547	96	19	16	1,121	325	375	57	190	13	34		4,928	15	4.01	1.39	2.88	0.42	11.1	3.9	1.07	.258	2.75	63	3.27	84	8.21	81.7
11	Sandy Koufax S. Koufax	3	969.2	124	78	22	.780	122	1.88	1,005	74	24	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
12	Juan Marichal J. Marichal	3	954.1	116	76	23	.768	114	2.36	688	73	14	0	782	250	296	80	143	13	2	18	3,757	13	6.49	1.35	4.81	0.75	18.3	3.8	0.97	.248	2.79	73	2.61	83	7.37	59.3
13	Bob Feller B. Feller	3	1034.2	135	78	39	.667	119	2.64	869	95	20	10	806	303	332	39	465	13	14		4,282	17	7.56	4.04	1.87	0.34	20.3	10.9	1.23	.265	2.89	69	2.81	75	7.01	105.3
14	Bucky Walters B. Walters	3	926.0	112	68	36	.654	107	2.53	381	87	10	2	783	260	301	44	289	13	4		3,742	18	3.70	2.81	1.32	0.43	10.2	7.7	1.16	.245	2.93	68	3.60	94	7.61	23.5
15	Dizzy Dean D. Dean	3	952.0	151	82	32	.719	103	2.96	580	81	12	23	922	313	364	51	205	13	45		3,956	7	5.48	1.94	2.83	0.48	14.7	5.2	1.18	.280	3.44	72	3.31	78	8.72	96.2
16	Eppa Rixey E. Rixey	3	923.1	122	64	46	.582	112	3.04	253	70	7	2	995	312	398	17	176	13	10		3,857	15	2.47	1.72	1.44	0.17	6.6	4.6	1.27	.288	3.88	80	3.32	88	9.70	46.8
17	Red Faber R. Faber	3	1001.2	126	69	45	.605	116	2.76	380	91	10	4	959	307	371	28	258	17	10		4,105	11	3.41	2.32	1.47	0.25	9.3	6.3	1.21	.272	3.33	69	3.39	86	8.62	62.3
18	Catfish Hunter C. Hunter	2	646.1	80	48	26	.649	80	2.53	320	53	13	0	516	182	204	50	129	9	0	6	2,534	8	4.46	1.80	2.48	0.70	12.6	5.1	1.00	.230	2.84	71	3.23	87	7.19	33.5
19	Nolan Ryan N. Ryan	2	658.2	83	43	32	.573	80	2.88	750	52	7	1	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
20	Steve Carlton S. Carlton	2	650.1	79	51	19	.729	79	2.15	596	43	11	0	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
21	Bill Singer B. Singer	2	631.1	81	40	26	.606	80	2.78	488	35	4	1	524	195	220	37	204	19	1	9	2,611	16	6.96	2.91	2.39	0.53	18.7	7.8	1.15	.261	3.14	80	2.81	83	7.47	41.3
22	Bob Gibson B. Gibson	2	618.2	69	42	22	.656	69	1.66	537	56	17	0	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
23	Denny McLain D. McLain	2	661.0	83	55	15	.786	82	2.37	461	51	15	0	529	174	191	56	130	10	0	9	2,592	8	6.28	1.77	3.55	0.76	17.8	5.0	1.00	.244	2.60	70	2.79	80	7.20	52.2
24	Jim Bunning J. Bunning	2	616.1	83	36	29	.554	81	2.35	505	32	11	1	501	161	185	44	128	32	2	28	2,470	9	7.37	1.87	3.95	0.64	20.4	5.2	1.02	.260	2.70	68	2.61	78	7.32	49.9
25	Jim Kaat J. Kaat	2	608.1	84	45	27	.625	82	2.93	347	31	4	0	592	198	235	49	132	12	1	4	2,506	12	5.13	1.95	2.63	0.72	13.8	5.3	1.19	.276	3.48	79	3.18	85	8.76	37