most complete games in a season by starting pitcher

Jack Chesbro has the most complete games by a starting pitcher in a season, with 48 complete games in 1904.

	NAME	CG	SEASON	TM	G	W	L	W%	GS	ERA	SO	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Jack Chesbro J. Chesbro	48	1904	NYH	51	38	12	.760	51	1.82	232	6	0	444.0	328	90	122	4	85	7	0		8	4.70	1.72	2.73	0.08		5.1	0.93	.240	2.47	6.65
2	Vic Willis V. Willis	45	1902	BSN	46	26	19	.578	46	2.20	227	4	0	404.2	368	99	139	6	101	13	0		13	5.05	2.25	2.25	0.13		6.2	1.16	.284	3.09	8.18
3	Joe McGinnity J. McGinnity	44	1903	NYG	48	29	18	.617	48		162	3	0	420.1	377		154	4	107	14	0	1,729	5	3.47	2.29	1.51	0.09	9.4	6.2	1.15	.259	3.30	8.07
4	Ed Walsh E. Walsh	42	1908	CWS	49	35	14	.714	49		236	11	0	426.1	315		93	1	55	11	0	1,634	10	4.98	1.16	4.29	0.02	14.4	3.4	0.87	.236	1.96	6.65
5	George Mullin G. Mullin	42	1904	DET	44	16	23	.410	44	2.38	161	7	0	381.1	344	101	153	1	129	10	0		8	3.80	3.04	1.25	0.02		8.5	1.24	.280	3.61	8.12
6	Irv Young I. Young	41	1905	BSN	42	20	21	.488	42		157	7	0	373.1	333		144	6	70	9	0	1,463	5	3.78	1.69	2.24	0.14	10.7	4.8	1.08	.268	3.47	8.03
7	Cy Young C. Young	41	1902	BSA	43	32	11	.744	43	2.04	161	3	0	374.2	338	85	129	4	52	10	0		3	3.87	1.25	3.10	0.10		3.5	1.04	.269	3.10	8.12
8	Noodles Hahn N. Hahn	41	1901	CIN	42	22	19	.537	42	2.71	238	2	0	375.1	370	113	159	12	70	8	0		10	5.71	1.68	3.40	0.29		4.5	1.17	.292	3.81	8.87
9	Cy Young C. Young	40	1904	BSA	41	25	16	.610	41	2.02	194	10	0	365.0	321	82	103	6	29	5	0		4	4.78	0.72	6.69	0.15		2.1	0.96	.271	2.54	7.92
10	Rube Waddell R. Waddell	39	1904	PHA	46	25	19	.568	46	1.62	349	8	0	383.0	307	69	109	5	91	14	0		8	8.20	2.14	3.84	0.12		6.4	1.04	.312	2.56	7.21
11	Jack Taylor J. Taylor	39	1904	SLN	39	20	19	.513	39		102	2	0	346.1	294		132	5	81	14	0	1,422	5	2.65	2.10	1.26	0.13	7.2	5.7	1.08	.237	3.43	7.64
12	Vic Willis V. Willis	39	1904	BSN	43	18	25	.419	43		196	2	0	351.1	351		174	7	110	14	0	1,486	11	5.02	2.82	1.78	0.18	13.2	7.4	1.31	.297	4.46	8.99
13	Bill Dinneen B. Dinneen	39	1902	BSA	42	21	21	.500	42	2.93	142	2	0	371.1	348	121	155	9	99	8	0		3	3.44	2.40	1.43	0.22		6.8	1.20	.284	3.76	8.43
14	Joe McGinnity J. McGinnity	39	1901	BAL	43	24	19	.558	43	3.55	71	1	0	363.0	390	143	210	7	90	21	0		5	1.76	2.23	0.79	0.17		6.0	1.32	.293	5.21	9.67
15	Grover Alexander G. Alexander	38	1916	PHN	45	33	12	.733	45	1.55	169	16	0	388.1	322	67	90	6	50	10	0	1,496	3	3.92	1.16	3.38	0.14	11.3	3.3	0.96	.251	2.09	7.46
16	Walter Johnson W. Johnson	38	1910	WSH	42	24	16	.600	42		308	8	0	361.2	259		89	1	76	12	0	1,388	21	7.66	1.89	4.05	0.02	22.2	5.5	0.93	.260	2.21	6.45
17	Joe McGinnity J. McGinnity	38	1904	NYG	44	31	8	.795	44		139	9	0	393.1	292		98	8	86	13	0	1,553	2	3.18	1.97	1.62	0.18	9.0	5.5	0.96	.217	2.24	6.68
18	Jack Powell J. Powell	38	1904	NYH	45	22	19	.537	45	2.42	200	3	0	379.2	331	102	149	14	94	10	0		12	4.74	2.23	2.13	0.33		6.9	1.12	.305	3.53	7.85
19	Oscar Jones O. Jones	38	1904	BKN	41	16	23	.410	41		89	0	0	360.2	359		157	7	89	13	0	1,501	6	2.22	2.22	1.00	0.17	5.9	5.9	1.24	.270	3.92	8.96
20	Cy Young C. Young	38	1901	BSA	41	31	10	.756	41	1.65	157	5	0	364.2	320	67	111	6	39	8	0		1	3.87	0.96	4.03	0.15		2.9	0.98	.276	2.74	7.90
21	Frank Smith F. Smith	37	1909	CWS	40	22	15	.595	40		162	7	0	338.0	263		94	1	63	4	0	1,323	4	4.31	1.68	2.57	0.03	12.2	4.8	0.96	.240	2.50	7.00
22	Ed Walsh E. Walsh	37	1907	CWS	46	24	17	.585	46		191	5	0	378.1	314		116	3	83	8	0		11	4.54	1.97	2.30	0.07		6.4	1.05	.308	2.76	7.47
23	Irv Young I. Young	37	1906	BSN	41	16	24	.400	41		147	4	0	350.0	333		148	6	81	7	0	1,376	8	3.78	2.08	1.81	0.15	10.7	5.9	1.18	.288	3.81	8.56
24	Bill Dinneen B. Dinneen	37	1904	BSA	37	23	14	.622	37	2.20	153	5	0	335.2	283	82	115	8	66	2	0	1,333	6	4.10	1.77	2.32	0.21	11.5	5.0	1.04	.249	3.08	7.59
25	Casey Patten C. Patten	37	1904	WSH	39	14	21	.400	39	3.17	142	2	0	335.0	346	118	155	2	77	17	0		1	3.81	2.07	1.84	0.05		5.5	1.26	.297	4.16	9.30