18 quarterbacks are tied for the lowest completion percentage by a quarterback in a game, at 0.0 percent. The first three are Josh Rosen on September 19 and Nick Foles and Logan Woodside on December 27.

worst completion percentage ever in a game by a qb
Interpreted as:
worst completion percentage ever in a regular-season game by a qb
9/19/2021Rosen12/27/2020Foles12/27/2020Woodside12/20/2020Brissett11/29/2020Brissett11/15/2020Beathard11/8/2020Brissett10/18/2020Gabbert10/12/2020Hill10/4/2020Griffin9/20/2020Dalton12/12/2019Griffin12/8/2019Hill12/1/2019Gilbert11/28/2019Hill11/17/2019McCarron10/27/2019Hundley10/7/2019Gilbert10/6/2019Stidham9/8/2019Moore12/23/2018Hoyer12/23/2018Sudfeld12/23/2018Hill0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
NAMEDATETMOPPPCTCMPATTYDSAVGTDTD%INTINT%SCKSCKYRATE
Josh RosenJosh Rosen9/19/2021ATLATL@TBTB0.00200.000.000.00039.6
Nick FolesNick Foles12/27/2020CHICHI@JAXJAX0.00100.000.000.00039.6
Logan WoodsideLogan Woodside12/27/2020TENTEN@GBGB0.00200.000.000.00039.6
Jacoby BrissettJacoby Brissett12/20/2020INDINDvsHOUHOU0.00100.000.000.00039.6
Jacoby BrissettJacoby Brissett11/29/2020INDINDvsTENTEN0.00200.000.000.01939.6
C.J. BeathardC.J. Beathard11/15/2020SFSF@NONO0.00100.000.000.00039.6
Jacoby BrissettJacoby Brissett11/8/2020INDINDvsBALBAL0.00100.000.000.00039.6
Blaine GabbertBlaine Gabbert10/18/2020TBTBvsGBGB0.00100.000.000.00039.6
Taysom HillTaysom Hill10/12/2020NONOvsLACLAC0.00100.000.000.00039.6
Robert Griffin IIIRobert Griffin III10/4/2020BALBAL@WASWAS0.00100.000.01100.0000.0
Andy DaltonAndy Dalton9/20/2020DALDALvsATLATL0.00100.000.000.00039.6
Robert Griffin IIIRobert Griffin III12/12/2019BALBALvsNYJNYJ0.00100.000.000.00039.6
Taysom HillTaysom Hill12/8/2019NONOvsSFSF0.00100.000.000.00039.6
Garrett GilbertGarrett Gilbert12/1/2019CLECLE@PITPIT0.00200.000.000.00039.6
Taysom HillTaysom Hill11/28/2019NONO@ATLATL0.00100.000.000.00039.6
AJ McCarronAJ McCarron11/17/2019HOUHOU@BALBAL0.00100.000.000.011039.6
Brett HundleyBrett Hundley10/27/2019ARIARI@NONO0.00100.000.000.01439.6
Garrett GilbertGarrett Gilbert10/7/2019CLECLE@SFSF0.00100.000.000.00039.6
Jarrett StidhamJarrett Stidham10/6/2019NENE@WASWAS0.00100.000.000.00039.6
Matt MooreMatt Moore9/8/2019KCKC@JAXJAX0.00100.000.000.00039.6
Brian HoyerBrian Hoyer12/23/2018NENEvsBUFBUF0.00100.000.000.00039.6
Nate SudfeldNate Sudfeld12/23/2018PHIPHIvsHOUHOU0.00100.000.000.00039.6
Taysom HillTaysom Hill12/23/2018NONOvsPITPIT0.00100.000.01100.0000.0
Kyle LaulettaKyle Lauletta12/9/2018NYGNYG@WASWAS0.00500.000.0120.0000.0
Josh McCownJosh McCown12/9/2018NYJNYJ@BUFBUF0.00100.000.000.00039.6
Results may be incomplete. StatMuse has complete game-level data for completion percentage going back to the 1950 season.

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