Steve Young has the highest completion percentage in a game with 20+ passing attempts against the Lions, at 90.0 percent on October 20, 1991.

who has the highest completion percentage in a game with at least 20 pass attempts vs lions
Interpreted as:
Who has the highest completion percentage in a regular-season game with at least 20 pass attempts vs lions?
10/20/1991Young10/14/1984DeBerg9/9/1984Bartkowski9/20/2009Favre10/16/2016Keenum10/19/2008Schaub11/24/2016Bradford9/10/2006Hasselbeck9/15/1996Peete11/10/1974Stabler9/13/2015Rivers12/21/2003Delhomme11/24/1994Kelly10/21/2007Garcia10/26/2008Campbell11/25/2004Manning11/4/2018Cousins12/26/2020Brady12/5/2010Cutler9/23/2007McNabb11/17/2002Pennington11/20/1994Walsh12/8/2019Cousins90.086.285.785.284.483.983.883.383.383.382.982.982.982.282.182.181.881.580.880.880.880.680.0
NAMEDATETMOPPPCTATTCMPYDSAVGTDTD%INTINT%SCKSCKYRATE
Steve YoungSteve Young10/20/1991SFSFvs. DET
vs.
90.0201823711.9210.000.000149.4
Steve DeBergSteve DeBerg10/14/1984TBTB@ DET
@
86.229252729.413.400.0113117.2
Steve BartkowskiSteve Bartkowski9/9/1984ATLATLvs. DET
vs.
85.7282429910.727.100.0110135.0
Brett FavreBrett Favre9/20/2009MINMIN@ DET
@
85.227231555.727.400.0316115.3
Case KeenumCase Keenum10/16/2016LALA@ DET
@
84.4322732110.039.413.1110126.7
Matt SchaubMatt Schaub10/19/2008HOUHOUvs. DET
vs.
83.931262678.626.500.0313124.1
Sam BradfordSam Bradford11/24/2016MINMIN@ DET
@
83.837312246.100.012.70080.6
Matt HasselbeckMatt Hasselbeck9/10/2006SEASEA@ DET
@
83.330252107.000.000.053795.8
Rodney PeeteRodney Peete9/15/1996PHIPHIvs. DET
vs.
83.330252849.513.300.0213117.2
Ken StablerKen Stabler11/10/1974OAKOAKvs. DET
vs.
83.3242024810.328.300.0137.5
Philip RiversPhilip Rivers9/13/2015SDSDvs. DET
vs.
82.941344039.824.924.9216103.6
Jake DelhommeJake Delhomme12/21/2003CARCARvs. DET
vs.
82.935292607.425.712.900104.8
Jim KellyJim Kelly11/24/1994BUFBUF@ DET
@
82.935292737.825.725.721894.4
Jeff GarciaJeff Garcia10/21/2007TBTB@ DET
@
82.245373167.024.400.0318110.7
Jason CampbellJason Campbell10/26/2008WASWAS@ DET
@
82.1282332811.713.600.0324127.4
Peyton ManningPeyton Manning11/25/2004INDIND@ DET
@
82.128232368.4621.400.000141.4
Kirk CousinsKirk Cousins11/4/2018MINMINvs. DET
vs.
81.822181647.514.514.51993.9
Tom BradyTom Brady12/26/2020TBTB@ DET
@
81.5272234812.9414.800.017158.3
Jay CutlerJay Cutler12/5/2010CHICHI@ DET
@
80.826212349.013.800.0437117.0
Donovan McNabbDonovan McNabb9/23/2007PHIPHIvs. DET
vs.
80.8262138114.7415.400.015158.3
Chad PenningtonChad Pennington11/17/2002NYJNYJ@ DET
@
80.826212298.8415.413.8110126.9
Steve WalshSteve Walsh11/20/1994CHICHIvs. DET
vs.
80.631251856.013.213.22888.8
Kirk CousinsKirk Cousins12/8/2019MINMINvs. DET
vs.
80.030242428.113.300.018111.4
Carson PalmerCarson Palmer12/18/2011OAKOAKvs. DET
vs.
80.040323679.212.500.0322113.2
Trent GreenTrent Green12/14/2003KCKCvs. DET
vs.
80.0252034113.6312.000.000158.3
Results may be incomplete. StatMuse has complete game-level data for completion percentage and passing attempts going back to the 1950 season.

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