Jim Devlin has pitched the most innings by a rookie, with 622 innings in 1876.

	NAME	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Jim Devlin J. Devlin	622.0	1876	LOU	68	30	35	.462	68	1.56	122	66	5	0	566	108	309	3	37		0	2,568	14	1.77	0.54	3.30	0.04	4.8	1.4	0.97		4.47	62	2.08	82	8.19	50.7
2	Pud Galvin P. Galvin	593.0	1879	BUF	66	37	27	.578	66	2.28	136	65	6	0	585	150	299	3	31		0	2,436	23	2.06	0.47	4.39	0.05	5.6	1.3	1.04		4.54	89	2.50	98	8.88	6.4
3	Lee Richmond L. Richmond	590.2	1880	WOR	74	32	32	.500	66	2.15	243	57	5	3	541	141	278	7	74		9	2,410	29	3.70	1.13	3.28	0.11	10.1	3.1	1.04		4.24	85	2.24	88	8.24	28.7
4	Matt Kilroy M. Kilroy	583.0	1886	BAL	68	29	34	.460	68	3.37	513	66	5	0	476	218	350	10	182	19	0	2,469	61	7.92	2.81	2.82	0.15	20.8	7.4	1.13	.267	5.40	100	2.60	77	7.35	47
5	Mickey Welch M. Welch	574.0	1880	TRO	65	34	30	.531	64	2.54	123	64	4	0	575	162	321	7	80		1	2,387	26	1.93	1.25	1.54	0.11	5.2	3.4	1.14		5.03	103	2.68	109	9.02	-7.1
6	George Bradley G. Bradley	573.0	1876	STL	64	45	19	.703	64	1.23	103	63	16	0	470	78	229	3	38		0	2,269	34	1.62	0.60	2.71	0.05	4.5	1.7	0.89		3.60	58	2.14	101	7.38	-20.7
7	Jim Whitney J. Whitney	552.1	1881	BOS	66	31	33	.484	63	2.48	162	57	6	0	548	152	284	6	90		3	2,301	46	2.64	1.47	1.80	0.10	7.0	3.9	1.16		4.63	90	2.73	99	8.93	-0.4
8	John Coleman J. Coleman	538.1	1883	PHN	65	12	48	.200	61	4.87	159	59	3	0	772	291	510	17	48		4	2,546	9	2.66	0.80	3.31	0.28	6.2	1.9	1.52		8.53	158	3.34	109	12.91	-19.2
9	Larry Corcoran L. Corcoran	536.1	1880	CWS	63	43	14	.754	60	1.95	268	57	4	2	404	116	218	6	99		3	2,133	19	4.50	1.66	2.71	0.10	12.6	4.6	0.94		3.66	80	2.23	91	6.78	16.5
10	Al Spalding A. Spalding	528.2	1876	CWS	61	47	12	.797	60	1.75	39	53	8	0	542	103	226	6	26		2	2,219	1	0.66	0.44	1.50	0.10	1.8	1.2	1.07		3.85	73	2.38	99	9.23	9
11	Bobby Mathews B. Mathews	516.0	1876	NYM	56	21	34	.382	56	2.86	37	55	2	0	693	164	395	8	24		0	2,327	3	0.65	0.42	1.54	0.14	1.6	1.0	1.39		6.89	128	2.43	109	12.09	-17.6
12	Larry McKeon L. McKeon	512.0	1884	IND	61	18	41	.305	60	3.50	308	59	2	0	488	199	350	20	94	18	1	2,185	36	5.41	1.65	3.28	0.35	14.1	4.3	1.14	.268	6.15	108	3.24	101	8.58	-1.7
13	Terry Larkin T. Larkin	501.0	1877	HAR	56	29	25	.537	56	2.14	96	55	4	0	510	119	285	2	53		0	2,132	18	1.72	0.95	1.81	0.04	4.5	2.5	1.12		5.12	83	2.82	109	9.16	-28.5
14	George Derby G. Derby	494.2	1881	DET	56	29	26	.527	55	2.20	212	55	9	0	505	121	252	3	86		1	2,101	14	3.86	1.56	2.47	0.05	10.1	4.1	1.19		4.58	80	2.43	88	9.19	16.3
15	Adonis Terry A. Terry	476.0	1884	BKN	56	19	35	.352	55	3.55	230	54	2	0	486	188	308	10	72	8	1	2,049	33	4.35	1.36	3.19	0.19	11.2	3.5	1.17	.275	5.82	110	3.09	96	9.19	6.4
16	Ed Seward E. Seward	470.2	1887	PHA	55	25	25	.500	52	4.13	155	52	3	0	445	216	293	7	140	24	2	1,990	58	2.96	2.68	1.11	0.13	7.8	7.0	1.24	.263	5.60	96	3.86	94	8.51	13.7
17	Will White W. White	468.0	1878	CIN	52	30	21	.588	52	1.79	169	52	5	0	477	93	249	1	45		0	1,939	40	3.25	0.87	3.76	0.02	8.7	2.3	1.12		4.79	82	2.13	97	9.17	-4.6
18	Gus Weyhing G. Weyhing	466.1	1887	PHA	55	26	28	.481	55	4.27	193	53	2	0	465	221	342	12	167	37	0	2,042	49	3.72	3.22	1.16	0.23	9.5	8.2	1.36	.277	6.60	99	4.10	99	8.97	1.2
19	Tony Mullane T. Mullane	460.1	1882	LOU	55	30	24	.556	55	1.88	170	51	5	0	418	96	212	3	78		0	1,927	33	3.32	1.52	2.18	0.06	8.8	4.0	1.08		4.14	71	2.62	95	8.17	4.5
20	Harry McCormick H. McCormick	457.1	1879	SYR	54	18	33	.353	54	2.99	96	49	5	0	517	152	291	3	31		4	1,975	31	1.89	0.61	3.10	0.06	4.9	1.6	1.20		5.73	126	2.61	110	10.17	-20.1
21	Ellsworth Cunningham E. Cunningham	453.1	1888	BAL	51	22	29	.431	51	3.39	186	50	0	0	412	171	275	8	157	30	0	1,952	47	3.69	3.12	1.18	0.16	9.5	8.0	1.26	.257	5.46	113	3.23	112	8.18	-20.2
22	Fleury Sullivan F. Sullivan	441.0	1884	PIT	51	16	35	.314	51	4.20	189	51	2	0	496	206	328	15	96	20	0	1,967	25	3.86	1.96	1.97	0.31	9.6	4.9	1.34	.292	6.69	131	3.65	115	10.12	-24.7
23	Ed Daily E. Daily	440.0	1885	PHN	50	26	23	.531	50	2.21	140	49	4	0	370	108	212	12	90		0	1,797	40	2.86	1.84	1.56	0.25	7.8	5.0	1.05		4.34	80	3.21	108	7.57	-14.7
24	Ed Morris E. Morris	429.2	1884	COL	52	34	13	.723	52	2.18	302	47	3	0	335	104	159	3	51	13	0	1,703	22	6.33	1.07	5.92	0.06	17.7	3.0	0.90	.249	3.33	71	2.41	80	7.02	23.3
25	Kid Nichols K. Nichols	424.0	1890	BSN	48	27	19	.587	47	2.23	222	47	7	0	374	105	175	8	112	11	1	1,755	30	4.71	2.38	1.98	0.17	12.6	6.4	1.15	.261	3.71	60	2.98	75	7.94	51