Since 1900, Jack Chesbro has pitched the most complete games 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	ERA-	FIP	FIP-	H/9	PRAA
1	Jack Chesbro J. Chesbro	48	1904	NYH	55	41	12	.774	51	1.82	239	6	0	454.2	338	92	128	4	88	7	3	1,720	9	4.73	1.74	2.72	0.08	13.9	5.1	0.94	.242	2.53	65	2.11	78	6.69	32.5
2	Vic Willis V. Willis	45	1902	BSN	51	27	20	.574	46	2.20	225	4	3	410.0	372	100	142	6	101	14	5	1,652	12	4.94	2.22	2.23	0.13	13.6	6.1	1.15	.280	3.12	76	2.60	86	8.17	21.3
3	Joe McGinnity J. McGinnity	44	1903	NYG	55	31	20	.608	48	2.43	171	3	2	434.0	391	117	162	4	109	19	6	1,786	5	3.55	2.26	1.57	0.08	9.6	6.1	1.15	.261	3.36	75	2.97	91	8.11	13
4	Ed Walsh E. Walsh	42	1908	CWS	66	40	15	.727	49	1.42	269	11	6	464.0	343	73	111	2	56	9	16	1,755	10	5.22	1.09	4.80	0.04	15.3	3.2	0.86	.240	2.15	63	1.42	67	6.65	34.2
5	George Mullin G. Mullin	42	1904	DET	45	17	23	.425	44	2.40	161	7	0	382.1	345	102	154	1	131	10	1	1,568	8	3.79	3.08	1.23	0.02	10.3	8.4	1.24	.272	3.63	92	2.72	108	8.12	-8.8
6	Irv Young I. Young	41	1905	BSN	43	20	21	.488	42	2.90	156	7	0	378.0	337	122	146	6	71	8	1	1,475	6	3.71	1.69	2.20	0.14	10.6	4.8	1.08	.268	3.48	97	2.53	86	8.02	16.8
7	Cy Young C. Young	41	1902	BSA	45	32	11	.744	43	2.15	160	3	0	384.2	350	92	136	6	53	13	1	1,506	3	3.74	1.24	3.02	0.14	10.6	3.5	1.05	.270	3.18	60	2.55	74	8.19	37.5
8	Noodles Hahn N. Hahn	41	1901	CIN	42	22	19	.537	42	2.71	239	2	0	375.1	370	113	159	12	69	9	0	1,524	10	5.73	1.65	3.46	0.29	15.7	4.5	1.17	.300	3.81	81	2.69	81	8.87	27.6
9	Cy Young C. Young	40	1904	BSA	43	26	16	.619	41	1.97	200	10	1	380.0	327	83	104	6	29	4	2	1,435	4	4.74	0.69	6.90	0.14	13.9	2.0	0.94	.268	2.46	74	1.83	72	7.74	31.1
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	1,496	8	8.20	2.14	3.84	0.12	23.3	6.1	1.04	.291	2.56	61	1.59	62	7.21	41.5
11	Vic Willis V. Willis	39	1904	BSN	43	18	25	.419	43	2.85	196	2	0	350.0	357	111	174	7	109	14	0	1,466	11	5.04	2.80	1.80	0.18	13.4	7.4	1.33	.307	4.47	106	2.61	94	9.18	6.3
12	Jack Taylor J. Taylor	39	1904	SLN	41	20	19	.513	39	2.22	103	2	1	352.0	297	87	133	5	82	13	2	1,447	6	2.63	2.10	1.26	0.13	7.1	5.7	1.08	.235	3.40	82	2.83	102	7.59	-2.1
13	Bill Dinneen B. Dinneen	39	1902	BSA	42	21	21	.500	42	2.93	136	2	0	371.1	348	121	155	9	99	8	0	1,508	3	3.30	2.40	1.37	0.22	9.0	6.6	1.20	.270	3.76	82	3.11	91	8.43	13.1
14	Joe McGinnity J. McGinnity	39	1901	BAL	48	26	20	.565	43	3.56	75	1	1	382.0	412	151	219	7	96	21	4	1,631	5	1.77	2.26	0.78	0.16	4.6	5.9	1.33	.283	5.16	93	3.69	96	9.71	10
15	Grover Alexander G. Alexander	38	1916	PHN	48	33	12	.733	45	1.55	167	16	3	389.0	323	67	90	6	50	10	3	1,500	3	3.86	1.16	3.34	0.14	11.1	3.3	0.96	.250	2.08	58	2.12	79	7.47	25.4
16	Walter Johnson W. Johnson	38	1910	WSH	45	25	17	.595	42	1.36	313	8	1	370.0	262	56	92	1	76	13	3	1,367	21	7.61	1.85	4.12	0.02	22.9	5.6	0.91	.271	2.24	56	1.39	56	6.37	45.2
17	Oscar Jones O. Jones	38	1904	BKN	46	17	25	.405	41	2.75	96	0	0	377.0	387	115	175	7	92	17	5	1,543	6	2.29	2.20	1.04	0.17	6.2	6.0	1.27	.285	4.18	104	3.02	111	9.24	-14
18	Joe McGinnity J. McGinnity	38	1904	NYG	51	35	8	.814	44	1.61	144	9	5	408.0	307	73	103	8	86	13	7	1,588	2	3.18	1.90	1.67	0.18	9.1	5.4	0.96	.224	2.27	59	2.70	96	6.77	5.3
19	Jack Powell J. Powell	38	1904	NYH	47	23	19	.548	45	2.44	202	3	0	390.1	340	106	154	15	92	10	2	1,546	12	4.66	2.12	2.20	0.35	13.1	6.0	1.11	.265	3.55	87	2.67	98	7.84	5.5
20	Cy Young C. Young	38	1901	BSA	43	33	10	.767	41	1.62	158	5	0	371.1	324	67	112	6	37	7	2	1,440	2	3.83	0.90	4.27	0.15	11.0	2.6	0.97	.258	2.71	44	2.64	72	7.85	42.6
21	Frank Smith F. Smith	37	1909	CWS	51	25	17	.595	40	1.80	177	7	1	365.0	278	73	104	1	70	6	10	1,376	6	4.36	1.73	2.53	0.02	12.9	5.1	0.95	.247	2.56	77	1.91	85	6.85	12.4
22	Ed Walsh E. Walsh	37	1907	CWS	56	24	18	.571	46	1.60	206	5	4	422.1	341	75	120	3	87	8	10	1,622	14	4.39	1.85	2.37	0.06	12.7	5.4	1.01	.256	2.56	67	1.97	88	7.27	9.9
23	Irv Young I. Young	37	1906	BSN	43	16	25	.390	41	2.91	151	4	0	358.1	349	116	157	7	83	6	1	1,416	9	3.79	2.08	1.82	0.18	10.7	5.9	1.21	.293	3.94	110	2.52	91	8.77	9.7
24	Bill Dinneen B. Dinneen	37	1904	BSA	37	23	14	.622	37	2.20	153	5	0	335.2	283	82	115	8	63	2	0	1,298	6	4.10	1.69	2.43	0.21	11.8	4.9	1.03	.257	3.08	83	2.40	94	7.59	6.8
25	Casey Patten C. Patten	37	1904	WSH	45	14	23	.378	39	3.07	150	2	3	357.2	367	122	162	2	79	20	6	1,478	1	3.77	1.99	1.90	0.05	10.1	5.3	1.25	.297	4.08	121	2.48	101	9.23	-1.8