Before 2022, 30 pitchers were tied for the most complete games in a day, with 2 complete games. The first three are Jack Scott on June 19, 1927, Dutch Levsen on August 28, 1926 and Urban Shocker on September 6, 1924.

Interpreted as:

most cg by a player in one day, career, before 2022

	NAME	CG	DAY	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 Scott J. Scott	2	6/19/1927	1	1	.500	2	1.59	1	0	0	17.0	15	3	4	0	1	0	0	63	0	0.53	0.53	1.00	0.00	1.6	1.6	0.94	.246	2.12	7.94
2	Dutch Levsen D. Levsen	2	8/28/1926	2	0	1.000	2	1.00	0	0	0	18.0	8	2	2	0	3	1	0	63	0	0.00	1.50	0.00	0.00	0.0	4.8	0.61	.136	1.00	4.00
3	Urban Shocker U. Shocker	2	9/6/1924	2	0	1.000	2	2.00	1	0	0	18.0	14	4	4	0	5	0	0	73	0	0.50	2.50	0.20	0.00	1.4	6.8	1.06	.209	2.00	7.00
4	Hi Bell H. Bell	2	7/19/1924	2	0	1.000	2	1.00	5	0	0	18.0	6	2	2	0	2	0	0	60	0	2.50	1.00	2.50	0.00	8.3	3.3	0.44	.113	1.00	3.00
5	Johnny Stuart J. Stuart	2	7/10/1923	2	0	1.000	2	1.50	0	0	0	18.0	13	3	4	0	4	1	0	70	0	0.00	2.00	0.00	0.00	0.0	5.7	0.94	.200	2.00	6.50
6	Dixie Davis D. Davis	2	9/24/1921	1	1	.500	2	1.04	2	1	0	17.1	15	2	2	0	2	0	0	67	0	1.04	1.04	1.00	0.00	3.0	3.0	0.98	.238	1.04	7.79
7	Mule Watson M. Watson	2	8/13/1921	2	0	1.000	2	1.50	6	1	0	18.0	12	3	3	0	2	0	0	65	0	3.00	1.00	3.00	0.00	9.2	3.1	0.78	.211	1.50	6.00
8	Carl Mays C. Mays	2	6/28/1919	1	1	.500	2	2.12	8	1	0	17.0	14	4	4	1	2	0	0	63	0	4.24	1.06	4.00	0.53	12.7	3.2	0.94	.250	2.12	7.41
9	Mule Watson M. Watson	2	8/31/1918	1	1	.500	2	2.65	2	1	0	17.0	13	5	6	0	6	0	0	63	0	1.06	3.18	0.33	0.00	3.2	9.5	1.12	.236	3.18	6.88
10	Carl Mays C. Mays	2	8/30/1918	2	0	1.000	2	0.50	5	1	0	18.0	13	1	1	0	2	0	0	68	0	2.50	1.00	2.50	0.00	7.4	2.9	0.83	.213	0.50	6.50
11	Mule Watson M. Watson	2	7/21/1918	0	1	.000	2	3.38	4	0	0	18.2	22	7	8	0	4	0	0	75	1	1.93	1.93	1.00	0.00	5.3	5.3	1.39	.328	3.86	10.61
12	Bill Doak B. Doak	2	9/18/1917	2	0	1.000	2	2.00	5	1	0	18.0	14	4	4	0	3	1	0	66	0	2.50	1.50	1.67	0.00	7.6	4.5	0.94	.246	2.00	7.00
13	Grover Alexander G. Alexander	2	9/3/1917	2	0	1.000	2	1.50	7	1	0	18.0	13	3	3	0	1	0	0	70	0	3.50	0.50	7.00	0.00	10.0	1.4	0.78	.210	1.50	6.50
14	Fred Toney F. Toney	2	7/1/1917	2	0	1.000	2	0.50	4	0	0	18.0	6	1	2	0	2	1	0	62	0	2.00	1.00	2.00	0.00	6.5	3.2	0.44	.109	1.00	3.00
15	Hod Eller H. Eller	2	6/19/1917	1	1	.500	2	2.40	8	0	0	15.0	12	4	4	1	2	0	0	58	0	4.80	1.20	4.00	0.60	13.8	3.4	0.93	.234	2.40	7.20
16	Grover Alexander G. Alexander	2	9/23/1916	2	0	1.000	2	1.00	7	1	0	18.0	21	2	3	0	1	0	0	69	0	3.50	0.50	7.00	0.00	10.1	1.4	1.22	.344	1.50	10.50
17	Al Demaree A. Demaree	2	9/20/1916	2	0	1.000	2	1.00	4	1	0	18.0	16	2	2	0	5	0	0	68	0	2.00	2.50	0.80	0.00	5.9	7.4	1.17	.271	1.00	8.00
18	Pol Perritt P. Perritt	2	9/9/1916	2	0	1.000	2	0.50	9	1	0	18.0	8	1	1	0	2	0	0	63	0	4.50	1.00	4.50	0.00	14.3	3.2	0.56	.154	0.50	4.00
19	Rube Benton R. Benton	2	9/6/1916	1	1	.500	2	1.50	9	0	0	18.0	14	3	3	0	2	1	0	67	0	4.50	1.00	4.50	0.00	13.4	3.0	0.89	.255	1.50	7.00
20	Dave Davenport D. Davenport	2	7/29/1916	2	0	1.000	2	1.50	11	0	0	18.0	11	3	3	1	6	0	0	72	0	5.50	3.00	1.83	0.50	15.3	8.3	0.94	.185	1.50	5.50
21	Dave Davenport D. Davenport	2	7/31/1915	1	1	.500	2	0.50	12	1	0	18.0	5	1	1	0	2	0	0	61	0	6.00	1.00	6.00	0.00	19.7	3.3	0.39	.106	0.50	2.50
22	Ray Collins R. Collins	2	9/22/1914	2	0	1.000	2	1.59	3	1	0	17.0	16	3	3	0	3	0	0	68	0	1.59	1.59	1.00	0.00	4.4	4.4	1.12	.258	1.59	8.47
23	Ed Walsh E. Walsh	2	9/29/1908	2	0	1.000	2		15	1	0	18.0	7		1	0	1	2	0	60	0	7.50	0.50	15.00	0.00	25.0	1.7	0.44	.167	0.50	3.50
24	Ed Reulbach E. Reulbach	2	9/26/1908	2	0	1.000	2		11	2	0	18.0	9		0	0	2	0	0	62	1	5.50	1.00	5.50	0.00	17.7	3.2	0.61	.184	0.00	4.50
25	Ed Summers E. Summers	2	9/25/1908	2	0	1.000	2		7	1	0	19.0	8		2	0	3	0	0	68	0	3.32	1.42	2.33	0.00	10.3	4.4	0.58	.138	0.95	3.79