Doug Flutie, Frank Reich and Daryle Lamonica are tied for the best passer rating by a Bills quarterback in a game, with a 158.3 rating.

which bills qb has the highest passer rating in a game
Interpreted as:
Which bills qb has the highest passer rating in a regular-season game?
12/23/2000Flutie1/2/1994Reich9/26/1964Lamonica9/27/1992Kelly10/1/1989Kelly12/18/1983Kofler10/8/1972Shaw12/15/1991Kelly12/26/2004Matthews10/20/1974Ferguson9/9/1962Rabb12/14/1969Sherman12/27/1998Johnson10/29/1989Reich9/20/2020Allen11/8/2015Taylor10/3/1964Lamonica9/23/1979Ferguson9/14/2003Bledsoe10/28/2007Losman10/26/2014Orton10/12/1981Ferguson12/17/2006Losman158.3158.3158.3156.3152.6152.1152.1151.3149.3149.3148.4147.9147.2146.8146.7146.5145.8145.4144.2143.8142.8142.6142.5
NAMEDATETMOPPRATECMPATTPCTYDSAVGTDTD%INTINT%SCKSCKY
Doug FlutieDoug Flutie12/23/2000BUFBUF@ SEA
@
158.3202580.036614.6312.000.000
Frank ReichFrank Reich1/2/1994BUFBUF@ IND
@
158.311100.03030.01100.000.000
Daryle LamonicaDaryle Lamonica9/26/1964BUFBUFvs. SD
vs.
158.322100.06834.0150.000.0
Jim KellyJim Kelly9/27/1992BUFBUF@ NE
@
156.3152075.030815.4315.000.000
Jim KellyJim Kelly10/1/1989BUFBUFvs. NE
vs.
152.6121770.627816.4317.600.0322
Matt KoflerMatt Kofler12/18/1983BUFBUF@ ATL
@
152.181080.012512.5110.000.0331
Dennis ShawDennis Shaw10/8/1972BUFBUFvs. NE
vs.
152.171070.012512.5220.000.0
Jim KellyJim Kelly12/15/1991BUFBUF@ IND
@
151.391181.811910.8327.300.017
Shane MatthewsShane Matthews12/26/2004BUFBUF@ SF
@
149.32366.74414.7133.300.000
Joe FergusonJoe Ferguson10/20/1974BUFBUFvs. NE
vs.
149.381266.715312.8325.000.0
Warren RabbWarren Rabb9/9/1962BUFBUFvs. HOU
vs.
148.46875.08510.6112.500.0
Tom ShermanTom Sherman12/14/1969BUFBUF@ SD
@
147.922100.02010.0150.000.0
Rob JohnsonRob Johnson12/27/1998BUFBUF@ NO
@
147.2121866.721612.0316.700.0424
Frank ReichFrank Reich10/29/1989BUFBUFvs. MIA
vs.
146.86966.712313.7111.100.029
Josh AllenJosh Allen9/20/2020BUFBUF@ MIA
@
146.7243568.641511.9411.400.014
Tyrod TaylorTyrod Taylor11/8/2015BUFBUFvs. MIA
vs.
146.5111291.718115.118.300.0327
Daryle LamonicaDaryle Lamonica10/3/1964BUFBUFvs. OAK
vs.
145.871070.016416.4110.000.0
Joe FergusonJoe Ferguson9/23/1979BUFBUFvs. NYJ
vs.
145.4193063.336712.2516.700.0
Drew BledsoeDrew Bledsoe9/14/2003BUFBUF@ JAX
@
144.2192576.031412.628.000.000
J.P. LosmanJ.P. Losman10/28/2007BUFBUF@ NYJ
@
143.83560.011322.6120.000.000
Kyle OrtonKyle Orton10/26/2014BUFBUF@ NYJ
@
142.8101758.823814.0423.500.0425
Joe FergusonJoe Ferguson10/12/1981BUFBUFvs. MIA
vs.
142.6202969.033811.7310.300.000
J.P. LosmanJ.P. Losman12/17/2006BUFBUFvs. MIA
vs.
142.5131968.420010.5315.800.0314
Drew BledsoeDrew Bledsoe9/29/2002BUFBUFvs. CHI
vs.
141.7283677.83289.1411.100.0221
Daryle LamonicaDaryle Lamonica11/20/1966BUFBUF@ HOU
@
141.44757.110414.9228.600.0
Results may be incomplete. StatMuse has complete game-level data for passer rating going back to the 1950 season.

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