which quarterback had the highest completion percentage for the 49ers in a single game

27 quarterbacks are tied for the highest completion percentage by a 49ers quarterback in a game, at 100.0 percent. The first three are Sam Darnold on October 8, 2023, Trey Lance on September 12, 2021 and Jimmy Garoppolo on November 26, 2017.

Interpreted as:

Which quarterback had the highest completion percentage for the 49ers in a single regular-season game?

	NAME	PCT	DATE	TM		OPP	CMP	ATT	YDS	AVG	TD	INT	RTG	TD%	INT%	SCK	SCKY
1	Sam Darnold S. Darnold	100.0	10/8/2023	SF	vs	DAL	1	1	1	1.0	0	0	79.2	0.0	0.0	0	0
2	Trey Lance T. Lance	100.0	9/12/2021	SF	@	DET	1	1	5	5.0	1	0	127.1	100.0	0.0	0	0
3	Jimmy Garoppolo J. Garoppolo	100.0	11/26/2017	SF	vs	SEA	2	2	18	9.0	1	0	143.8	50.0	0.0	0	0
4	Colt McCoy C. McCoy	100.0	10/27/2013	SF	@	JAX	1	1	13	13.0	0	0	118.8	0.0	0.0	0	0
5	Alex Smith A. Smith	100.0	12/30/2012	SF	vs	ARI	1	1	6	6.0	0	0	91.7	0.0	0.0	0	0
6	Colin Kaepernick C. Kaepernick	100.0	10/7/2012	SF	vs	BUF	1	1	7	7.0	0	0	95.8	0.0	0.0	0	0
7	Colin Kaepernick C. Kaepernick	100.0	10/9/2011	SF	vs	TB	3	3	35	11.7	0	0	115.3	0.0	0.0	0	0
8	Cody Pickett C. Pickett	100.0	10/30/2005	SF	vs	TB	1	1	10	10.0	0	0	108.3	0.0	0.0	0	0
9	Tim Rattay T. Rattay	100.0	12/7/2003	SF	vs	ARI	1	1	15	15.0	0	0	118.8	0.0	0.0	0	0
10	Tim Rattay T. Rattay	100.0	1/6/2002	SF	@	NO	2	2	21	10.5	0	0	110.4	0.0	0.0	0	0
11	Tim Rattay T. Rattay	100.0	12/3/2000	SF	@	SD	1	1	-4	-4.0	0	0	79.2	0.0	0.0	0	0
12	Steve Stenstrom S. Stenstrom	100.0	10/24/1999	SF	@	MIN	4	4	13	3.3	0	0	80.2	0.0	0.0	1	6
13	Ty Detmer T. Detmer	100.0	12/20/1998	SF	@	NE	1	1	25	25.0	1	0	158.3	100.0	0.0	0	0
14	Ty Detmer T. Detmer	100.0	10/11/1998	SF	@	NO	1	1	11	11.0	0	0	112.5	0.0	0.0	1	1
15	Steve Young S. Young	100.0	10/27/1996	SF	@	HOU	1	1	9	9.0	0	0	104.2	0.0	0.0	0	0
16	Elvis Grbac E. Grbac	100.0	11/6/1994	SF	@	WAS	3	3	16	5.3	0	0	88.9	0.0	0.0	1	0
17	Elvis Grbac E. Grbac	100.0	10/23/1994	SF	vs	TB	3	3	28	9.3	1	0	145.1	33.3	0.0	0	0
18	Steve Bono S. Bono	100.0	11/9/1992	SF	@	ATL	1	1	13	13.0	0	0	118.8	0.0	0.0	0	0
19	Steve Bono S. Bono	100.0	10/20/1991	SF	vs	DET	3	3	35	11.7	0	0	115.3	0.0	0.0	0	0
20	Steve Young S. Young	100.0	11/18/1990	SF	vs	TB	1	1	14	14.0	0	0	118.8	0.0	0.0	0	0
21	Steve Young S. Young	100.0	11/12/1989	SF	vs	ATL	1	1	16	16.0	0	0	118.8	0.0	0.0	0	0
22	Steve Young S. Young	100.0	10/24/1988	SF	@	CHI	1	1	1	1.0	0	0	79.2	0.0	0.0	0	0
23	Mark Stevens M. Stevens	100.0	10/5/1987	SF	@	NYG	2	2	52	26.0	1	0	158.3	50.0	0.0	0	0
24	Jeff Kemp J. Kemp	100.0	11/23/1986	SF	vs	ATL	2	2	13	6.5	0	0	93.8	0.0	0.0	0	0
25	Mike Moroski M. Moroski	100.0	11/9/1986	SF	vs	STL	2	2	14	7.0	0	0	95.8	0.0	0.0	0	0

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Results may be incomplete. StatMuse has complete game-level data for completion percentage going back to the 1950 season.

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27 quarterbacks are tied for the highest completion percentage by a 49ers quarterback in a game, at 100.0 percent. The first three are Sam Darnold on October 8, 2023, Trey Lance on September 12, 2021 and Jimmy Garoppolo on November 26, 2017.

Interpreted as:

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