Trent Green, Chad Pennington and Peyton Manning were tied for the highest passer rating by a quarterback in a game in 2003, with a 158.3 rating.

which quarterback has the highest passer rating in a game in 2003
Interpreted as:
Which quarterback has the highest passer rating in a regular-season game in 2003?
12/14/2003Green11/16/2003Pennington9/28/2003Manning9/28/2003Frerotte11/27/2003Fiedler12/22/2003Favre9/14/2003Leftwich10/19/2003Brooks9/28/2003McNair10/12/2003McNair12/14/2003Manning9/14/2003Bledsoe11/23/2003McNair11/16/2003Holcomb12/8/2003Couch10/12/2003Johnson12/14/2003Brooks12/7/2003Garcia10/19/2003Volek9/7/2003Maddox10/26/2003Manning10/19/2003Carter9/7/2003Brunell158.3158.3158.3157.2156.0154.9154.2148.2148.2146.8146.5144.2142.2141.9140.0140.0138.8135.7135.4134.3133.9133.3133.3
NAMEDATETMOPPRATECMPATTPCTYDSAVGTDTD%INTINT%SCKSCKY
Trent GreenTrent Green12/14/2003KCKCvs. DET
vs.
158.3202580.034113.6312.000.000
Chad PenningtonChad Pennington11/16/2003NYJNYJ@ IND
@
158.3111478.621915.6321.400.0327
Peyton ManningPeyton Manning9/28/2003INDIND@ NO
@
158.3202580.031412.6624.000.019
Gus FrerotteGus Frerotte9/28/2003MINMINvs. SF
vs.
157.2162176.226712.7419.000.0215
Jay FiedlerJay Fiedler11/27/2003MIAMIA@ DAL
@
156.0162080.023912.0315.000.000
Brett FavreBrett Favre12/22/2003GBGB@ OAK
@
154.9223073.339913.3413.300.017
Byron LeftwichByron Leftwich9/14/2003JAXJAXvs. BUF
vs.
154.27887.59211.5112.500.000
Aaron BrooksAaron Brooks10/19/2003NONO@ ATL
@
148.2233076.735211.7310.000.029
Steve McNairSteve McNair9/28/2003TENTEN@ PIT
@
148.2151693.816110.1318.800.013
Steve McNairSteve McNair10/12/2003TENTENvs. HOU
vs.
146.8182766.742115.6311.100.010
Peyton ManningPeyton Manning12/14/2003INDINDvs. ATL
vs.
146.5253083.32909.7516.700.019
Drew BledsoeDrew Bledsoe9/14/2003BUFBUF@ JAX
@
144.2192576.031412.628.000.000
Steve McNairSteve McNair11/23/2003TENTEN@ ATL
@
142.291181.8958.6218.200.019
Kelly HolcombKelly Holcomb11/16/2003CLECLEvs. ARI
vs.
141.9293582.939211.238.600.000
Tim CouchTim Couch12/8/2003CLECLEvs. STL
vs.
140.06966.79810.9111.100.0317
Brad JohnsonBrad Johnson10/12/2003TBTB@ WAS
@
140.0223073.32688.9413.300.000
Aaron BrooksAaron Brooks12/14/2003NONOvs. NYG
vs.
138.8263574.32968.5514.300.000
Jeff GarciaJeff Garcia12/7/2003SFSFvs. ARI
vs.
135.7192867.92529.0414.300.013
Billy VolekBilly Volek10/19/2003TENTEN@ CAR
@
135.41250.05025.0150.000.000
Tommy MaddoxTommy Maddox9/7/2003PITPITvs. BAL
vs.
134.3212972.42609.0310.300.029
Peyton ManningPeyton Manning10/26/2003INDINDvs. HOU
vs.
133.9223073.32699.0310.000.000
Quincy CarterQuincy Carter10/19/2003DALDAL@ DET
@
133.3182572.01907.6312.000.011
Mark BrunellMark Brunell9/7/2003JAXJAX@ CAR
@
133.3232785.227210.127.400.0416
Daunte CulpepperDaunte Culpepper10/19/2003MINMINvs. DEN
vs.
133.0192673.127710.727.700.029
Byron LeftwichByron Leftwich9/21/2003JAXJAX@ IND
@
132.94580.0326.4120.000.000

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